reworking how tests work: more modular now

this hopefully gets testcases closer to a point where one could simply
write a program that dumps test bytes and expected disassembly. more
immediately, this is a structure to dangle an optioanl masm-style
disassembly of an instruction for testing that imminent addition too.

1 files changed, 4029 insertions, 3340 deletions

diff --git a/test/long_mode/mod.rs b/test/long_mode/mod.rs
index c7fb2be..4d20cf9 100644
--- a/test/long_mode/mod.rs
+++ b/test/long_mode/mod.rs
@@ -18,7 +18,6 @@ use yaxpeax_arch::{AddressBase, Decoder, LengthedInstruction};
 use yaxpeax_x86::long_mode::InstDecoder;
 
 /*
-#[test]
 #[cfg(feature="std")]
 fn test_write_hex_specialization() {
     use crate::yaxpeax_x86::long_mode::DisplaySink;
@@ -144,931 +143,1237 @@ fn test_display_under(decoder: &InstDecoder, data: &[u8], expected: &'static str
     }
 }
 
-#[test]
-fn test_modrm_decode() {
-    // just modrm
-    test_display(&[0x33, 0x08], "xor ecx, dword [rax]");
-    test_display(&[0x33, 0x20], "xor esp, dword [rax]");
-    test_display(&[0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor eax, dword [rip + 0x12345678]");
-    test_display(&[0x33, 0x41, 0x23], "xor eax, dword [rcx + 0x23]");
-    test_display(&[0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor eax, dword [rcx + 0x43650123]");
-    test_display(&[0x33, 0xc1], "xor eax, ecx");
-
-    // modrm + rex.w
-    test_display(&[0x48, 0x33, 0x08], "xor rcx, qword [rax]");
-    test_display(&[0x48, 0x33, 0x20], "xor rsp, qword [rax]");
-    test_display(&[0x48, 0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor rax, qword [rip + 0x12345678]");
-    test_display(&[0x48, 0x33, 0x41, 0x23], "xor rax, qword [rcx + 0x23]");
-    test_display(&[0x48, 0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor rax, qword [rcx + 0x43650123]");
-    test_display(&[0x48, 0x33, 0xc1], "xor rax, rcx");
-
-    // modrm + rex.r
-    test_display(&[0x44, 0x33, 0x08], "xor r9d, dword [rax]");
-    test_display(&[0x44, 0x33, 0x20], "xor r12d, dword [rax]");
-    test_display(&[0x44, 0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor r8d, dword [rip + 0x12345678]");
-    test_display(&[0x44, 0x33, 0x41, 0x23], "xor r8d, dword [rcx + 0x23]");
-    test_display(&[0x44, 0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor r8d, dword [rcx + 0x43650123]");
-    test_display(&[0x44, 0x33, 0xc1], "xor r8d, ecx");
-
-    // modrm + rex.rb
-    test_display(&[0x45, 0x33, 0x08], "xor r9d, dword [r8]");
-    test_display(&[0x45, 0x33, 0x20], "xor r12d, dword [r8]");
-    test_display(&[0x45, 0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor r8d, dword [rip + 0x12345678]");
-    test_display(&[0x45, 0x33, 0x41, 0x23], "xor r8d, dword [r9 + 0x23]");
-    test_display(&[0x45, 0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor r8d, dword [r9 + 0x43650123]");
-    test_display(&[0x45, 0x33, 0xc1], "xor r8d, r9d");
-
-    // sib
-    test_display(&[0x33, 0x04, 0x0a], "xor eax, dword [rdx + rcx * 1]");
-    test_display(&[0x33, 0x04, 0x4a], "xor eax, dword [rdx + rcx * 2]");
-    test_display(&[0x33, 0x04, 0x8a], "xor eax, dword [rdx + rcx * 4]");
-    test_display(&[0x33, 0x04, 0xca], "xor eax, dword [rdx + rcx * 8]");
-    test_display(&[0x33, 0x04, 0x20], "xor eax, dword [rax]");
-    test_display(&[0x33, 0x04, 0x60], "xor eax, dword [rax]");
-    test_display(&[0x33, 0x04, 0xa0], "xor eax, dword [rax]");
-    test_display(&[0x33, 0x04, 0xe0], "xor eax, dword [rax]");
-    test_display(&[0x42, 0x33, 0x04, 0x20], "xor eax, dword [rax + r12 * 1]");
-    test_display(&[0x42, 0x33, 0x04, 0x60], "xor eax, dword [rax + r12 * 2]");
-    test_display(&[0x42, 0x33, 0x04, 0xa0], "xor eax, dword [rax + r12 * 4]");
-    test_display(&[0x42, 0x33, 0x04, 0xe0], "xor eax, dword [rax + r12 * 8]");
-    test_display(&[0x43, 0x33, 0x04, 0x20], "xor eax, dword [r8 + r12 * 1]");
-    test_display(&[0x43, 0x33, 0x04, 0x60], "xor eax, dword [r8 + r12 * 2]");
-    test_display(&[0x43, 0x33, 0x04, 0xa0], "xor eax, dword [r8 + r12 * 4]");
-    test_display(&[0x43, 0x33, 0x04, 0xe0], "xor eax, dword [r8 + r12 * 8]");
-    test_display(&[0x33, 0x04, 0x25, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]");
-    test_display(&[0x41, 0x33, 0x04, 0x25, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]");
-
-    test_display(&[0x33, 0x44, 0x65, 0x11], "xor eax, dword [rbp + 0x11]");
-    test_display(&[0x41, 0x33, 0x44, 0x65, 0x11], "xor eax, dword [r13 + 0x11]");
-    test_display(&[0x33, 0x84, 0xa5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [rbp + 0x44332211]");
-    test_display(&[0x41, 0x33, 0x84, 0xa5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [r13 + 0x44332211]");
-    test_display(&[0x33, 0x04, 0xe5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]");
-    test_display(&[0x41, 0x33, 0x04, 0xe5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]");
-
-    // specifically sib with base == 0b101
-    // mod bits 00
-    test_display(&[0x42, 0x33, 0x34, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [r12 * 1 + 0x50403020]");
-    test_display(&[0x43, 0x33, 0x34, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [r12 * 1 + 0x50403020]");
-    // mod bits 01
-    test_display(&[0x42, 0x33, 0x74, 0x25, 0x20], "xor esi, dword [rbp + r12 * 1 + 0x20]");
-    test_display(&[0x43, 0x33, 0x74, 0x25, 0x20], "xor esi, dword [r13 + r12 * 1 + 0x20]");
-    // mod bits 10
-    test_display(&[0x42, 0x33, 0xb4, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [rbp + r12 * 1 + 0x50403020]");
-    test_display(&[0x43, 0x33, 0xb4, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [r13 + r12 * 1 + 0x50403020]");
+#[allow(non_camel_case_types)]
+enum FeatureSet {
+    Default,
+    Minimal,
+    Amd,
+    Intel,
+    DecoderK8,
+    DecoderBulldozer,
+    DecoderNetburst,
+    // SSE and SSE2 are part of baseline x86_64, always enabled
+    SSE,
+    SSE2,
+    SSE3,
+    SSSE3,
+    SSE4_1,
+    SSE4_2,
+    SSE4_2_Intel,
+    SSE4a,
+    BMI1,
+    BMI2,
+    AVX,
+    AESNI,
+    F16C,
+    AVX_AESNI,
+    AVX_F16C,
+    AVX2,
+    VMX,
+    Popcnt,
 }
 
-#[test]
-fn test_mmx() {
-    test_display(&[0x4f, 0x0f, 0xf7, 0xc1], "maskmovq mm0, mm1");
-    test_display(&[0x0f, 0xf7, 0xc1], "maskmovq mm0, mm1");
-    test_invalid(&[0x0f, 0xf7, 0x01]);
-
-    test_display(&[0x4f, 0x0f, 0xe7, 0x03], "movntq qword [r11], mm0");
-    test_display(&[0x0f, 0xe7, 0x03], "movntq qword [rbx], mm0");
-    test_invalid(&[0x0f, 0xe7, 0xc3]);
-
-    test_display(&[0x4f, 0x0f, 0xc3, 0x03], "movnti qword [r11], r8");
-    test_invalid(&[0x66, 0x0f, 0xc3, 0x03]);
-    test_display(&[0x0f, 0xc3, 0x03], "movnti dword [rbx], eax");
-    test_invalid(&[0x0f, 0xc3, 0xc3]);
-
-    test_display(&[0x4f, 0x0f, 0x7e, 0xcf], "movd r15, mm1");
-    test_display(&[0x41, 0x0f, 0x7e, 0xcf], "movd r15d, mm1");
-    test_display(&[0x4f, 0x0f, 0x7f, 0xcf], "movq mm7, mm1");
-    test_display(&[0x4f, 0x0f, 0x7f, 0x0f], "movq qword [r15], mm1");
-    test_display(&[0x0f, 0xc4, 0xc0, 0x14], "pinsrw mm0, eax, 0x14");
-    test_display(&[0x4f, 0x0f, 0xc4, 0xc0, 0x14], "pinsrw mm0, r8d, 0x14");
-    test_display(&[0x4f, 0x0f, 0xc4, 0x00, 0x14], "pinsrw mm0, word [r8], 0x14");
-    test_display(&[0x4f, 0x0f, 0xd1, 0xcf], "psrlw mm1, mm7");
-    test_display(&[0x4f, 0x0f, 0xd1, 0x00], "psrlw mm0, qword [r8]");
-    test_invalid(&[0x4f, 0x0f, 0xd7, 0x00]);
-    test_display(&[0x4f, 0x0f, 0xd7, 0xcf], "pmovmskb r9d, mm7");
-    test_display(&[0x0f, 0x3a, 0x0f, 0xc1, 0x23], "palignr mm0, mm1, 0x23");
-    test_display(&[0x0f, 0xf9, 0xc2], "psubw mm0, mm2");
-    test_display(&[0x0f, 0xfd, 0xd2], "paddw mm2, mm2");
-    test_display(&[0x0f, 0x6f, 0xe9], "movq mm5, mm1");
-    test_display(&[0x0f, 0xe5, 0x3d, 0xaa, 0xbb, 0xcc, 0x77], "pmulhw mm7, qword [rip + 0x77ccbbaa]");
-
-    test_display(&[0x0f, 0x38, 0x00, 0xda], "pshufb mm3, mm2");
-
-    test_display(&[0x0f, 0x74, 0xc2], "pcmpeqb mm0, mm2");
-    test_display(&[0x0f, 0x75, 0xc2], "pcmpeqw mm0, mm2");
-    test_display(&[0x0f, 0x76, 0xc2], "pcmpeqd mm0, mm2");
-
-    test_display(&[0x66, 0x0f, 0xc5, 0xd8, 0xff], "pextrw ebx, xmm0, 0xff");
-    test_invalid(&[0x66, 0x0f, 0xc5, 0x08, 0xff]);
-
-    test_display(&[0x0f, 0xc5, 0xd1, 0x00], "pextrw edx, mm1, 0x0");
-    test_invalid(&[0x0f, 0xc5, 0x01, 0x00]);
-
-    test_display(&[0x0f, 0xd8, 0xc2], "psubusb mm0, mm2");
-    test_display(&[0x0f, 0xd9, 0xc2], "psubusw mm0, mm2");
-    test_display(&[0x0f, 0xda, 0xc2], "pminub mm0, mm2");
-    test_display(&[0x0f, 0xdb, 0xc2], "pand mm0, mm2");
-    test_display(&[0x0f, 0xdc, 0xc2], "paddusb mm0, mm2");
-    test_display(&[0x0f, 0xdd, 0xc2], "paddusw mm0, mm2");
-    test_display(&[0x0f, 0xde, 0xc2], "pmaxub mm0, mm2");
-    test_display(&[0x0f, 0xdf, 0xc2], "pandn mm0, mm2");
-
-    test_display(&[0x0f, 0xe8, 0xc2], "psubsb mm0, mm2");
-    test_display(&[0x0f, 0xe9, 0xc2], "psubsw mm0, mm2");
-    test_display(&[0x0f, 0xea, 0xc2], "pminsw mm0, mm2");
-    test_display(&[0x0f, 0xeb, 0xc2], "por mm0, mm2");
-    test_display(&[0x0f, 0xec, 0xc2], "paddsb mm0, mm2");
-    test_display(&[0x0f, 0xed, 0xc2], "paddsw mm0, mm2");
-    test_display(&[0x0f, 0xee, 0xc2], "pmaxsw mm0, mm2");
-    test_display(&[0x0f, 0xef, 0xc2], "pxor mm0, mm2");
-
-    test_invalid(&[0x0f, 0xf0, 0xc2]);
-    test_display(&[0x0f, 0xf1, 0xc2], "psllw mm0, mm2");
-    test_display(&[0x0f, 0xf2, 0xc2], "pslld mm0, mm2");
-    test_display(&[0x0f, 0xf3, 0xc2], "psllq mm0, mm2");
-    test_display(&[0x0f, 0xf4, 0xc2], "pmuludq mm0, mm2");
-    test_display(&[0x0f, 0xf5, 0xc2], "pmaddwd mm0, mm2");
-    test_display(&[0x0f, 0xf6, 0xc2], "psadbw mm0, mm2");
-    test_display(&[0x0f, 0xf8, 0xc2], "psubb mm0, mm2");
-    test_display(&[0x0f, 0xf9, 0xc2], "psubw mm0, mm2");
-    test_display(&[0x0f, 0xfa, 0xc2], "psubd mm0, mm2");
-    test_display(&[0x0f, 0xfb, 0xc2], "psubq mm0, mm2");
-    test_display(&[0x0f, 0xfc, 0xc2], "paddb mm0, mm2");
-    test_display(&[0x0f, 0xfd, 0xc2], "paddw mm0, mm2");
-    test_display(&[0x0f, 0xfe, 0xc2], "paddd mm0, mm2");
-
-    test_display(&[0x0f, 0xf1, 0x02], "psllw mm0, qword [rdx]");
-    test_display(&[0x0f, 0xf2, 0x02], "pslld mm0, qword [rdx]");
-    test_display(&[0x0f, 0xf3, 0x02], "psllq mm0, qword [rdx]");
-    test_display(&[0x0f, 0xf4, 0x02], "pmuludq mm0, qword [rdx]");
-    test_display(&[0x0f, 0xf5, 0x02], "pmaddwd mm0, qword [rdx]");
-    test_display(&[0x0f, 0xf6, 0x02], "psadbw mm0, qword [rdx]");
-    test_display(&[0x0f, 0xf8, 0x02], "psubb mm0, qword [rdx]");
-    test_display(&[0x0f, 0xf9, 0x02], "psubw mm0, qword [rdx]");
-    test_display(&[0x0f, 0xfa, 0x02], "psubd mm0, qword [rdx]");
-    test_display(&[0x0f, 0xfb, 0x02], "psubq mm0, qword [rdx]");
-    test_display(&[0x0f, 0xfc, 0x02], "paddb mm0, qword [rdx]");
-    test_display(&[0x0f, 0xfd, 0x02], "paddw mm0, qword [rdx]");
-    test_display(&[0x0f, 0xfe, 0x02], "paddd mm0, qword [rdx]");
+impl FeatureSet {
+    fn into_decoder(&self) -> InstDecoder {
+        match self {
+            FeatureSet::Default => {
+                yaxpeax_x86::long_mode::InstDecoder::default()
+            }
+            FeatureSet::Minimal => {
+                yaxpeax_x86::long_mode::InstDecoder::minimal()
+            }
+            FeatureSet::Intel => {
+                yaxpeax_x86::long_mode::InstDecoder::minimal().with_intel_quirks()
+            }
+            FeatureSet::Amd => {
+                yaxpeax_x86::long_mode::InstDecoder::minimal().with_amd_quirks()
+            }
+            FeatureSet::DecoderK8 => {
+                yaxpeax_x86::long_mode::uarch::amd::k8()
+            }
+            FeatureSet::DecoderBulldozer => {
+                yaxpeax_x86::long_mode::uarch::amd::bulldozer()
+            }
+            FeatureSet::DecoderNetburst => {
+                yaxpeax_x86::long_mode::uarch::intel::netburst()
+            }
+            // SSE and SSE2 are part of baseline x86_64, always enabled
+            FeatureSet::SSE => {
+                InstDecoder::minimal()
+            }
+            FeatureSet::SSE2 => {
+                InstDecoder::minimal()
+            }
+            FeatureSet::SSE3 => {
+                InstDecoder::minimal().with_sse3()
+            }
+            FeatureSet::SSSE3 => {
+                InstDecoder::minimal().with_ssse3()
+            }
+            FeatureSet::SSE4_1 => {
+                InstDecoder::minimal().with_sse4_1()
+            }
+            FeatureSet::SSE4_2 => {
+                InstDecoder::minimal().with_sse4_2()
+            }
+            FeatureSet::SSE4_2_Intel => {
+                InstDecoder::minimal().with_intel_quirks().with_sse4_2()
+            }
+            FeatureSet::SSE4a => {
+                InstDecoder::minimal().with_sse4a()
+            }
+            FeatureSet::BMI1 => {
+                InstDecoder::minimal().with_bmi1()
+            }
+            FeatureSet::BMI2 => {
+                InstDecoder::minimal().with_bmi2()
+            }
+            FeatureSet::AVX => {
+                InstDecoder::minimal().with_avx()
+            }
+            FeatureSet::AESNI => {
+                InstDecoder::minimal().with_aesni()
+            }
+            FeatureSet::F16C => {
+                InstDecoder::minimal().with_f16c()
+            }
+            FeatureSet::AVX_AESNI => {
+                InstDecoder::minimal().with_avx().with_aesni()
+            }
+            FeatureSet::AVX_F16C => {
+                InstDecoder::minimal().with_avx().with_f16c()
+            }
+            FeatureSet::AVX2 => {
+                InstDecoder::minimal().with_avx().with_avx2()
+            }
+            FeatureSet::VMX => {
+                InstDecoder::minimal().with_vmx()
+            }
+            FeatureSet::Popcnt => {
+                InstDecoder::minimal().with_popcnt()
+            }
+        }
+    }
 }
 
-#[test]
-fn test_cvt() {
-    test_display(&[0x0f, 0x2c, 0xcf], "cvttps2pi mm1, xmm7");
-    test_display(&[0x48, 0x0f, 0x2c, 0xcf], "cvttps2pi mm1, xmm7");
-    test_display(&[0x4f, 0x0f, 0x2c, 0xcf], "cvttps2pi mm1, xmm15");
-    test_display(&[0x4f, 0x0f, 0x2a, 0xcf], "cvtpi2ps xmm9, mm7");
-    test_display(&[0x4f, 0x0f, 0x2a, 0x00], "cvtpi2ps xmm8, qword [r8]");
-    test_display(&[0x4f, 0x66, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm1, mm7");
-    test_display(&[0x66, 0x4f, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm9, mm7");
-    test_display(&[0x4f, 0xf3, 0x0f, 0x2a, 0xcf], "cvtsi2ss xmm1, edi");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2a, 0xcf], "cvtsi2ss xmm9, r15");
-    test_display(&[0x4f, 0xf2, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm1, edi");
-    test_display(&[0xf2, 0x4f, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm9, r15");
-    test_display(&[0x4f, 0xf2, 0x0f, 0x2a, 0x00], "cvtsi2sd xmm0, dword [rax]");
-    test_display(&[0xf2, 0x4f, 0x0f, 0x2a, 0x00], "cvtsi2sd xmm8, qword [r8]");
-    test_display(&[0x4f, 0xf3, 0x0f, 0x2a, 0x00], "cvtsi2ss xmm0, dword [rax]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2a, 0x00], "cvtsi2ss xmm8, qword [r8]");
-    test_display(&[0x4f, 0x66, 0x0f, 0x2a, 0x00], "cvtpi2pd xmm0, dword [rax]");
-    test_display(&[0x66, 0x4f, 0x0f, 0x2a, 0x00], "cvtpi2pd xmm8, qword [r8]");
+struct Disasm {
+    display: &'static str,
+    c: Option<&'static str>,
 }
 
-#[test]
-fn test_aesni() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_aesni(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
+struct TestCase {
+    bytes: &'static [u8],
+    featuresets: Option<&'static [(FeatureSet, bool)]>,
+    #[cfg(feature="fmt")]
+    decodes: Option<Disasm>,
+}
+
+fn run_test(cases: &[TestCase]) {
+    for tc in cases {
+        if let Some(decodes) = tc.decodes.as_ref() {
+            // if there are explicit feature sets, run only those decodes; the default decoder is
+            // in the list if the test cares about it, and describes if it should work or not.
+            if let Some(featuresets) = tc.featuresets {
+                for (featureset, decode_ok) in featuresets {
+                    let decoder = featureset.into_decoder();
+                    if *decode_ok {
+                        test_display_under(&decoder, tc.bytes, decodes.display);
+                    } else {
+                        test_invalid_under(&decoder, tc.bytes);
+                    }
+                }
+            } else {
+                test_display(tc.bytes, decodes.display);
+            }
+        } else {
+            // similar to above:
+            if let Some(featuresets) = tc.featuresets {
+                for (featureset, decode_ok) in featuresets {
+                    assert!(!decode_ok);
+                    let decoder = featureset.into_decoder();
+
+                    test_invalid_under(&decoder, tc.bytes);
+                }
+            } else {
+                test_invalid(tc.bytes);
+            }
+        }
     }
+}
 
-    test_instr(&[0x66, 0x0f, 0x38, 0xdb, 0x0f], "aesimc xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x38, 0xdb, 0xcf], "aesimc xmm9, xmm15");
+// the extra { } in these arms are load-bearing to keep Rust from opening thousands of scopes for
+// each lifetime. at around 32k lifetimes it'll stack overflow.
+macro_rules! testcase {
+    (invalid: features nodefault { $($feature:ident: $decode:expr$(,)?)+ } $bytes:expr) => {
+        {
+            use crate::long_mode::{TestCase, FeatureSet};
 
-    test_instr(&[0x66, 0x0f, 0x38, 0xdc, 0x0f], "aesenc xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x38, 0xdc, 0xcf], "aesenc xmm9, xmm15");
+            let bytes: &'static [u8] = $bytes;
+            let featuresets: &'static [(FeatureSet, bool)] = &[
+                $((FeatureSet::$feature, $decode),)*
+            ];
+            TestCase {
+                bytes,
+                featuresets: Some(featuresets),
+                decodes: None,
+            }
+        }
+    };
 
-    test_instr(&[0x66, 0x0f, 0x38, 0xdd, 0x0f], "aesenclast xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x38, 0xdd, 0xcf], "aesenclast xmm9, xmm15");
+    (invalid: features { $($feature:ident: $decode:expr$(,)?)+ } $bytes:expr) => {
+        {
+            use crate::long_mode::{TestCase, FeatureSet};
 
-    test_instr(&[0x66, 0x0f, 0x38, 0xde, 0x0f], "aesdec xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x38, 0xde, 0xcf], "aesdec xmm9, xmm15");
+            let bytes: &'static [u8] = $bytes;
+            let featuresets: &'static [(FeatureSet, bool)] = &[
+                (FeatureSet::Minimal, false),
+                (FeatureSet::Default, false),
+                $((FeatureSet::$feature, $decode),)*
+            ];
+            TestCase {
+                bytes,
+                featuresets: Some(featuresets),
+                decodes: None,
+            }
+        }
+    };
 
-    test_instr(&[0x66, 0x0f, 0x38, 0xdf, 0x0f], "aesdeclast xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x38, 0xdf, 0xcf], "aesdeclast xmm9, xmm15");
+    (invalid: $bytes:expr) => {
+        {
+            use crate::long_mode::TestCase;
 
-    test_instr(&[0x66, 0x0f, 0x3a, 0xdf, 0x0f, 0xaa], "aeskeygenassist xmm1, xmmword [rdi], 0xaa");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x3a, 0xdf, 0xcf, 0xaa], "aeskeygenassist xmm9, xmm15, 0xaa");
+            let bytes: &'static [u8] = $bytes;
+            TestCase {
+                bytes,
+                featuresets: None,
+                decodes: None,
+            }
+        }
+    };
+
+    (features nodefault { $($feature:ident: $decode:expr$(,)?)+ } $bytes:expr, $text:expr) => {
+        {
+            use crate::long_mode::{TestCase, Disasm, FeatureSet};
+
+            let bytes: &'static [u8] = $bytes;
+            let text: &'static str = $text;
+            let featuresets: &'static [(FeatureSet, bool)] = &[
+                $((FeatureSet::$feature, $decode),)*
+            ];
+            TestCase {
+                bytes,
+                featuresets: Some(featuresets),
+                decodes: Some(Disasm { display: text, c: None })
+            }
+        }
+    };
+
+    // need this above `($bytes:expr, $test:expr)` below to keep that case from
+    // matching inappropriately early.
+    (features { $($feature:ident: $decode:expr$(,)?)+ } $bytes:expr, $text:expr) => {
+        {
+            use crate::long_mode::{TestCase, Disasm, FeatureSet};
+
+            let bytes: &'static [u8] = $bytes;
+            let text: &'static str = $text;
+            let featuresets: &'static [(FeatureSet, bool)] = &[
+                (FeatureSet::Minimal, false),
+                (FeatureSet::Default, true),
+                $((FeatureSet::$feature, $decode),)*
+            ];
+            TestCase {
+                bytes,
+                featuresets: Some(featuresets),
+                decodes: Some(Disasm { display: text, c: None })
+            }
+        }
+    };
+
+    ({ $($feature:ident: $decode:expr)+ } $bytes:expr, $text:expr, c: $c_text:expr) => {
+        {
+            use crate::long_mode::{TestCase, Disasm, FeatureSet};
+
+            let bytes: &'static [u8] = $bytes;
+            let text: &'static str = $text;
+            let c: &'static str = $c_text;
+            let featuresets: &'static [(FeatureSet, bool)] = &[
+                (FeatureSet::Minimal, false),
+                (FeatureSet::Default, true),
+                $((FeatureSet::$feature, $decode))*
+            ];
+            TestCase {
+                bytes,
+                featuresets: Some(featuresets),
+                decodes: Some(Disasm { display: text, c: Some(c) })
+            }
+        }
+    };
+
+    ($bytes:expr, $text:expr) => {
+        {
+            use crate::long_mode::{TestCase, Disasm};
+
+            let bytes: &'static [u8] = $bytes;
+            let text: &'static str = $text;
+            TestCase {
+                bytes,
+                featuresets: None,
+                decodes: Some(Disasm { display: text, c: None })
+            }
+        }
+    };
+
+    ($bytes:expr, $text:expr, c: $c_text:expr) => {
+        {
+            use crate::long_mode::{TestCase, Disasm};
+
+            let bytes: &'static [u8] = $bytes;
+            let text: &'static str = $text;
+            let c: &'static str = $c_text;
+            TestCase {
+                bytes,
+                featuresets: None,
+                decodes: Some(Disasm { display: text, c: Some(c) })
+            }
+        }
+    };
 }
 
-#[test]
-fn test_sse2() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        // sse and sse2 are part of amd64, so x86_64, meaning even the minimal decoder must support
-        // them.
-        test_display_under(&InstDecoder::minimal(), bytes, text);
-    }
-
-    test_instr(&[0xf2, 0x0f, 0x10, 0x0c, 0xc7], "movsd xmm1, qword [rdi + rax * 8]");
-    test_instr(&[0xf2, 0x0f, 0x11, 0x0c, 0xc7], "movsd qword [rdi + rax * 8], xmm1");
-    test_instr(&[0x66, 0x0f, 0x11, 0x0c, 0xc7], "movupd xmmword [rdi + rax * 8], xmm1");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x12, 0x03], "movlpd xmm8, qword [r11]"); // reg-mem is movlpd
-    test_instr(&[0x66, 0x4f, 0x0f, 0x13, 0x03], "movlpd qword [r11], xmm8");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x13, 0xc3]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x14, 0x03], "unpcklpd xmm8, xmmword [r11]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x14, 0xc3], "unpcklpd xmm8, xmm11");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x15, 0x03], "unpckhpd xmm8, xmmword [r11]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x15, 0xc3], "unpckhpd xmm8, xmm11");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x16, 0x03], "movhpd xmm8, qword [r11]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x17, 0x03], "movhpd qword [r11], xmm8");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x17, 0xc3]);
-
-    test_instr(&[0x66, 0x4f, 0x0f, 0x28, 0xd0], "movapd xmm10, xmm8");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8]");
-
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm9, mm7");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2a, 0x0f], "cvtpi2pd xmm9, qword [r15]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm9, r15");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x2a, 0x0f], "cvtsi2sd xmm9, qword [r15]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2b, 0x0f], "movntpd xmmword [r15], xmm9");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2c, 0xcf], "cvttpd2pi mm1, xmm15");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2c, 0x0f], "cvttpd2pi mm1, xmmword [r15]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x2c, 0xcf], "cvttsd2si r9, xmm15");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x2c, 0x0f], "cvttsd2si r9, qword [r15]");
-    test_instr(&[0xf2, 0x40, 0x0f, 0x2c, 0xcf], "cvttsd2si ecx, xmm7");
-    test_instr(&[0xf2, 0x40, 0x0f, 0x2c, 0x0f], "cvttsd2si ecx, qword [rdi]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2d, 0xcf], "cvtpd2pi mm1, xmm15");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2d, 0x0f], "cvtpd2pi mm1, xmmword [r15]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x2d, 0xcf], "cvtsd2si r9, xmm15");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x2d, 0x0f], "cvtsd2si r9, qword [r15]");
-    test_instr(&[0xf2, 0x40, 0x0f, 0x2d, 0xcf], "cvtsd2si ecx, xmm7");
-    test_instr(&[0xf2, 0x40, 0x0f, 0x2d, 0x0f], "cvtsd2si ecx, qword [rdi]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2e, 0xcf], "ucomisd xmm9, xmm15");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2e, 0x0f], "ucomisd xmm9, qword [r15]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2f, 0xcf], "comisd xmm9, xmm15");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x2f, 0x0f], "comisd xmm9, qword [r15]");
-
-    /*
-     * .... 660f38
-     * .... 660f7f
-     */
-
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x50, 0x01]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x50, 0xc1], "movmskpd r8d, xmm9");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x51, 0x01], "sqrtpd xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x51, 0x01], "sqrtsd xmm8, qword [r9]");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x52, 0x01]);
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x53, 0x01]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x54, 0x01], "andpd xmm8, xmmword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x55, 0x01], "andnpd xmm8, xmmword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x56, 0x01], "orpd xmm8, xmmword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x57, 0x01], "xorpd xmm8, xmmword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x58, 0x01], "addpd xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x58, 0x01], "addsd xmm8, qword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x59, 0x01], "mulpd xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x59, 0x01], "mulsd xmm8, qword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x5a, 0x01], "cvtpd2ps xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x5a, 0x01], "cvtsd2ss xmm8, qword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x5b, 0x01], "cvtps2dq xmm8, xmmword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x5c, 0x01], "subpd xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x5c, 0x01], "subsd xmm8, qword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x5d, 0x01], "minpd xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x5d, 0x01], "minsd xmm8, qword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x5e, 0x01], "divpd xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x5e, 0x01], "divsd xmm8, qword [r9]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x5f, 0x01], "maxpd xmm8, xmmword [r9]");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x5f, 0x01], "maxsd xmm8, qword [r9]");
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x60, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpcklbw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x61, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpcklwd xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x62, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpckldq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x63, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "packsswb xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x64, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "pcmpgtb xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x65, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "pcmpgtw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x66, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "pcmpgtd xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x67, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "packuswb xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x68, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpckhbw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x69, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpckhwd xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x6a, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpckhdq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x6b, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "packssdw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x6c, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpcklqdq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x6d, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "punpckhqdq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x6e, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "movq xmm11, qword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x6f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "movdqa xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-
-    test_instr(&[0x66, 0x48, 0x0f, 0x6e, 0xc0], "movq xmm0, rax");
-    test_instr(&[0x66, 0x0f, 0x70, 0xc0, 0x4e], "pshufd xmm0, xmm0, 0x4e");
-    test_instr(&[0xf2, 0x0f, 0x70, 0xc0, 0x4e], "pshuflw xmm0, xmm0, 0x4e");
-    test_instr(&[0xf3, 0x0f, 0x70, 0xc0, 0x4e], "pshufhw xmm0, xmm0, 0x4e");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x71, 0x10, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x71, 0xd0, 0x8f], "psrlw xmm8, 0x8f");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x71, 0x20, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x71, 0xe0, 0x8f], "psraw xmm8, 0x8f");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x71, 0x30, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x71, 0xf0, 0x8f], "psllw xmm8, 0x8f");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x72, 0x10, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x72, 0xd0, 0x8f], "psrld xmm8, 0x8f");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x72, 0x20, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x72, 0xe0, 0x8f], "psrad xmm8, 0x8f");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x72, 0x30, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x72, 0xf0, 0x8f], "pslld xmm8, 0x8f");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x73, 0x10, 0x8f]);
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x73, 0x18, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x73, 0xd0, 0x8f], "psrlq xmm8, 0x8f");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x73, 0xd8, 0x8f], "psrldq xmm8, 0x8f");
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x73, 0x30, 0x8f]);
-    test_invalid(&[0x66, 0x4f, 0x0f, 0x73, 0x38, 0x8f]);
-    test_instr(&[0x66, 0x4f, 0x0f, 0x73, 0xf0, 0x8f], "psllq xmm8, 0x8f");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x73, 0xf8, 0x8f], "pslldq xmm8, 0x8f");
-    test_instr(&[0x66, 0x0f, 0x7e, 0xc1], "movd ecx, xmm0");
-    test_instr(&[0x66, 0x48, 0x0f, 0x7e, 0xc1], "movq rcx, xmm0");
-    test_instr(&[0x66, 0x48, 0x0f, 0x7e, 0x01], "movq qword [rcx], xmm0");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x7e, 0xc1], "movq r9, xmm8");
-    test_instr(
-        &[0x66, 0x4f, 0x0f, 0x7f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "movdqa xmmword [r12 + r11 * 4 - 0x334455cc], xmm11"
-    );
-
-    test_instr(&[0x66, 0x0f, 0xc2, 0xc3, 0x08], "cmppd xmm0, xmm3, 0x8");
-    test_instr(&[0x66, 0x4f, 0x0f, 0xc2, 0xc3, 0x08], "cmppd xmm8, xmm11, 0x8");
-    test_instr(&[0x66, 0x4f, 0x0f, 0xc2, 0x03, 0x08], "cmppd xmm8, xmmword [r11], 0x8");
-    test_instr(&[0xf2, 0x0f, 0xc2, 0xc3, 0x08], "cmpsd xmm0, xmm3, 0x8");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0xc2, 0xc3, 0x08], "cmpsd xmm8, xmm11, 0x8");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0xc2, 0x03, 0x08], "cmpsd xmm8, qword [r11], 0x8");
-
-    test_instr(&[0x66, 0x0f, 0xc4, 0xc3, 0x08], "pinsrw xmm0, ebx, 0x8");
-    test_instr(&[0x66, 0x4f, 0x0f, 0xc4, 0xc3, 0x08], "pinsrw xmm8, r11d, 0x8");
-
-    test_instr(&[0x66, 0x0f, 0xc4, 0x03, 0x08], "pinsrw xmm0, word [rbx], 0x8");
-    test_instr(&[0x66, 0x4f, 0x0f, 0xc4, 0x03, 0x08], "pinsrw xmm8, word [r11], 0x8");
-
-//    test_instr(&[0x66, 0x0f, 0xc5, 0xc3, 0x08], "pextrw eax, xmm3, 0x8");
-//    test_instr(&[0x66, 0x4f, 0x0f, 0xc5, 0xc3, 0x08], "pextrw r8d, xmm11, 0x8");
-//    test_instr_invalid(&[0x66, 0x0f, 0xc5, 0x03, 0x08]);
-//    test_instr_invalid(&[0x66, 0x0f, 0xc5, 0x40, 0x08]);
-//    test_instr_invalid(&[0x66, 0x0f, 0xc5, 0x80, 0x08]);
-
-    test_instr(&[0x66, 0x4f, 0x0f, 0xc6, 0x03, 0x08], "shufpd xmm8, xmmword [r11], 0x8");
-    test_instr(&[0x66, 0x0f, 0xc6, 0x03, 0x08], "shufpd xmm0, xmmword [rbx], 0x8");
-    test_instr(&[0x66, 0x0f, 0xc6, 0xc3, 0x08], "shufpd xmm0, xmm3, 0x8");
-    test_instr(&[0x66, 0x0f, 0xd1, 0xc1], "psrlw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xd1, 0x01], "psrlw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xd2, 0xc1], "psrld xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xd2, 0x01], "psrld xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xd3, 0xc1], "psrlq xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xd3, 0x01], "psrlq xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xd4, 0xc1], "paddq xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xd4, 0x01], "paddq xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xd5, 0xc1], "pmullw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xd5, 0x01], "pmullw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xd6, 0xc1], "movq xmm1, xmm0");
-    test_instr(&[0x66, 0x0f, 0xd6, 0x01], "movq qword [rcx], xmm0");
-    test_invalid(&[0xf3, 0x4f, 0x0f, 0xd6, 0x03]);
-    test_instr(&[0xf3, 0x4f, 0x0f, 0xd6, 0xc3], "movq2dq xmm8, mm3");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0xd6, 0xc3], "movdq2q mm0, xmm11");
-    test_instr(&[0x66, 0x0f, 0xd7, 0xc1], "pmovmskb eax, xmm1");
-    test_instr(&[0x66, 0x4f, 0x0f, 0xd7, 0xc1], "pmovmskb r8d, xmm9");
-    test_invalid(&[0x66, 0x0f, 0xd7, 0x01]);
-    test_instr(&[0x66, 0x0f, 0xd8, 0xc1], "psubusb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xd8, 0x01], "psubusb xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xd9, 0xc1], "psubusw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xd9, 0x01], "psubusw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xda, 0xc1], "pminub xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xda, 0x01], "pminub xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xdb, 0xc1], "pand xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xdb, 0x01], "pand xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xdc, 0xc1], "paddusb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xdc, 0x01], "paddusb xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xdd, 0xc1], "paddusw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xdd, 0x01], "paddusw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xde, 0xc1], "pmaxub xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xde, 0x01], "pmaxub xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xdf, 0xc1], "pandn xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xdf, 0x01], "pandn xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe0, 0xc1], "pavgb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe0, 0x01], "pavgb xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe1, 0xc1], "psraw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe1, 0x01], "psraw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe2, 0xc1], "psrad xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe2, 0x01], "psrad xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe3, 0xc1], "pavgw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe3, 0x01], "pavgw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe4, 0xc1], "pmulhuw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe4, 0x01], "pmulhuw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe5, 0xc1], "pmulhw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe5, 0x01], "pmulhw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe6, 0xc1], "cvttpd2dq xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe6, 0x01], "cvttpd2dq xmm0, xmmword [rcx]");
-    test_invalid(&[0x66, 0x0f, 0xe7, 0xc1]);
-    test_instr(&[0x66, 0x0f, 0xe7, 0x01], "movntdq xmmword [rcx], xmm0");
-    test_instr(&[0x66, 0x0f, 0xe8, 0xc1], "psubsb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe8, 0x01], "psubsb xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xe9, 0xc1], "psubsw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xe9, 0x01], "psubsw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xea, 0xc1], "pminsw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xea, 0x01], "pminsw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xeb, 0xc3], "por xmm0, xmm3");
-    test_instr(&[0x66, 0x0f, 0xeb, 0xc4], "por xmm0, xmm4");
-    test_instr(&[0x66, 0x0f, 0xeb, 0xd3], "por xmm2, xmm3");
-    test_instr(&[0x66, 0x0f, 0xeb, 0x12], "por xmm2, xmmword [rdx]");
-    test_instr(&[0x66, 0x0f, 0xeb, 0xc1], "por xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xeb, 0x01], "por xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xec, 0xc1], "paddsb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xec, 0x01], "paddsb xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xed, 0xc1], "paddsw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xed, 0x01], "paddsw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xee, 0xc1], "pmaxsw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xee, 0x01], "pmaxsw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xef, 0xc1], "pxor xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xef, 0x01], "pxor xmm0, xmmword [rcx]");
-    test_invalid(&[0x66, 0x0f, 0xf0, 0xc1]);
-    test_invalid(&[0x66, 0x0f, 0xf0, 0x01]);
-    test_instr(&[0x66, 0x0f, 0xf1, 0xc1], "psllw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf1, 0x01], "psllw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xf2, 0xc1], "pslld xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf2, 0x01], "pslld xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xf3, 0xc1], "psllq xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf3, 0x01], "psllq xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xf4, 0xc1], "pmuludq xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf4, 0x01], "pmuludq xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xf5, 0xc1], "pmaddwd xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf5, 0x01], "pmaddwd xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xf6, 0xc1], "psadbw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf6, 0x01], "psadbw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xf7, 0xc1], "maskmovdqu xmm0, xmm1");
-    test_invalid(&[0x66, 0x0f, 0xf7, 0x01]);
-    test_instr(&[0x66, 0x0f, 0xf8, 0xc1], "psubb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf8, 0x01], "psubb xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xf9, 0xc1], "psubw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xf9, 0x01], "psubw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xfa, 0xc1], "psubd xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xfa, 0x01], "psubd xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xfb, 0xc1], "psubq xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xfb, 0x01], "psubq xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xfc, 0xc1], "paddb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xfc, 0x01], "paddb xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xfd, 0xc1], "paddw xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xfd, 0x01], "paddw xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xfe, 0xc1], "paddd xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0xfe, 0x01], "paddd xmm0, xmmword [rcx]");
-    test_instr(&[0x66, 0x0f, 0xff, 0xc1], "ud0 eax, ecx");
-    test_instr(&[0xf2, 0x0f, 0xff, 0xc1], "ud0 eax, ecx");
-    test_instr(&[0xf3, 0x0f, 0xff, 0xc1], "ud0 eax, ecx");
-    test_instr(&[0x66, 0x0f, 0xff, 0x01], "ud0 eax, dword [rcx]");
-    test_instr(&[0x66, 0x4f, 0x0f, 0xff, 0xc1], "ud0 r8d, r9d");
-
-    test_instr(&[0x66, 0x0f, 0x74, 0xc1], "pcmpeqb xmm0, xmm1");
-    test_instr(&[0x66, 0x0f, 0x74, 0x12], "pcmpeqb xmm2, xmmword [rdx]");
-    test_instr(&[0x66, 0x0f, 0xf8, 0xc8], "psubb xmm1, xmm0");
-    test_instr(&[0x66, 0x0f, 0xf8, 0xd0], "psubb xmm2, xmm0");
-    test_instr(&[0x66, 0x0f, 0xf8, 0x12], "psubb xmm2, xmmword [rdx]");
+mod modrm_decode {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        // just modr
+        testcase!(&[0x33, 0x08], "xor ecx, dword [rax]"),
+        testcase!(&[0x33, 0x20], "xor esp, dword [rax]"),
+        testcase!(&[0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor eax, dword [rip + 0x12345678]"),
+        testcase!(&[0x33, 0x41, 0x23], "xor eax, dword [rcx + 0x23]"),
+        testcase!(&[0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor eax, dword [rcx + 0x43650123]"),
+        testcase!(&[0x33, 0xc1], "xor eax, ecx"),
+
+        // modrm + rex.w
+        testcase!(&[0x48, 0x33, 0x08], "xor rcx, qword [rax]"),
+        testcase!(&[0x48, 0x33, 0x20], "xor rsp, qword [rax]"),
+        testcase!(&[0x48, 0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor rax, qword [rip + 0x12345678]"),
+        testcase!(&[0x48, 0x33, 0x41, 0x23], "xor rax, qword [rcx + 0x23]"),
+        testcase!(&[0x48, 0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor rax, qword [rcx + 0x43650123]"),
+        testcase!(&[0x48, 0x33, 0xc1], "xor rax, rcx"),
+
+        // modrm + rex.r
+        testcase!(&[0x44, 0x33, 0x08], "xor r9d, dword [rax]"),
+        testcase!(&[0x44, 0x33, 0x20], "xor r12d, dword [rax]"),
+        testcase!(&[0x44, 0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor r8d, dword [rip + 0x12345678]"),
+        testcase!(&[0x44, 0x33, 0x41, 0x23], "xor r8d, dword [rcx + 0x23]"),
+        testcase!(&[0x44, 0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor r8d, dword [rcx + 0x43650123]"),
+        testcase!(&[0x44, 0x33, 0xc1], "xor r8d, ecx"),
+
+        // modrm + rex.rb
+        testcase!(&[0x45, 0x33, 0x08], "xor r9d, dword [r8]"),
+        testcase!(&[0x45, 0x33, 0x20], "xor r12d, dword [r8]"),
+        testcase!(&[0x45, 0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor r8d, dword [rip + 0x12345678]"),
+        testcase!(&[0x45, 0x33, 0x41, 0x23], "xor r8d, dword [r9 + 0x23]"),
+        testcase!(&[0x45, 0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor r8d, dword [r9 + 0x43650123]"),
+        testcase!(&[0x45, 0x33, 0xc1], "xor r8d, r9d"),
+
+        // sib
+        testcase!(&[0x33, 0x04, 0x0a], "xor eax, dword [rdx + rcx * 1]"),
+        testcase!(&[0x33, 0x04, 0x4a], "xor eax, dword [rdx + rcx * 2]"),
+        testcase!(&[0x33, 0x04, 0x8a], "xor eax, dword [rdx + rcx * 4]"),
+        testcase!(&[0x33, 0x04, 0xca], "xor eax, dword [rdx + rcx * 8]"),
+        testcase!(&[0x33, 0x04, 0x20], "xor eax, dword [rax]"),
+        testcase!(&[0x33, 0x04, 0x60], "xor eax, dword [rax]"),
+        testcase!(&[0x33, 0x04, 0xa0], "xor eax, dword [rax]"),
+        testcase!(&[0x33, 0x04, 0xe0], "xor eax, dword [rax]"),
+        testcase!(&[0x42, 0x33, 0x04, 0x20], "xor eax, dword [rax + r12 * 1]"),
+        testcase!(&[0x42, 0x33, 0x04, 0x60], "xor eax, dword [rax + r12 * 2]"),
+        testcase!(&[0x42, 0x33, 0x04, 0xa0], "xor eax, dword [rax + r12 * 4]"),
+        testcase!(&[0x42, 0x33, 0x04, 0xe0], "xor eax, dword [rax + r12 * 8]"),
+        testcase!(&[0x43, 0x33, 0x04, 0x20], "xor eax, dword [r8 + r12 * 1]"),
+        testcase!(&[0x43, 0x33, 0x04, 0x60], "xor eax, dword [r8 + r12 * 2]"),
+        testcase!(&[0x43, 0x33, 0x04, 0xa0], "xor eax, dword [r8 + r12 * 4]"),
+        testcase!(&[0x43, 0x33, 0x04, 0xe0], "xor eax, dword [r8 + r12 * 8]"),
+        testcase!(&[0x33, 0x04, 0x25, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]"),
+        testcase!(&[0x41, 0x33, 0x04, 0x25, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]"),
+
+        testcase!(&[0x33, 0x44, 0x65, 0x11], "xor eax, dword [rbp + 0x11]"),
+        testcase!(&[0x41, 0x33, 0x44, 0x65, 0x11], "xor eax, dword [r13 + 0x11]"),
+        testcase!(&[0x33, 0x84, 0xa5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [rbp + 0x44332211]"),
+        testcase!(&[0x41, 0x33, 0x84, 0xa5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [r13 + 0x44332211]"),
+        testcase!(&[0x33, 0x04, 0xe5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]"),
+        testcase!(&[0x41, 0x33, 0x04, 0xe5, 0x11, 0x22, 0x33, 0x44], "xor eax, dword [0x44332211]"),
+
+        // specifically sib with base == 0b101
+        // mod bits 00
+        testcase!(&[0x42, 0x33, 0x34, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [r12 * 1 + 0x50403020]"),
+        testcase!(&[0x43, 0x33, 0x34, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [r12 * 1 + 0x50403020]"),
+        // mod bits 01
+        testcase!(&[0x42, 0x33, 0x74, 0x25, 0x20], "xor esi, dword [rbp + r12 * 1 + 0x20]"),
+        testcase!(&[0x43, 0x33, 0x74, 0x25, 0x20], "xor esi, dword [r13 + r12 * 1 + 0x20]"),
+        // mod bits 10
+        testcase!(&[0x42, 0x33, 0xb4, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [rbp + r12 * 1 + 0x50403020]"),
+        testcase!(&[0x43, 0x33, 0xb4, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, dword [r13 + r12 * 1 + 0x50403020]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(CASES);
+    }
 }
 
-#[test]
-fn test_sse3() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_sse3(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-        // avx doesn't imply older instructions are necessarily valid
-        test_invalid_under(&InstDecoder::minimal().with_avx(), bytes);
-        // sse4 doesn't imply older instructions are necessarily valid
-        test_invalid_under(&InstDecoder::minimal().with_sse4_1(), bytes);
-        test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes);
-    }
-
-    fn test_instr_invalid(bytes: &[u8]) {
-        test_invalid_under(&InstDecoder::minimal().with_sse3(), bytes);
-        test_invalid_under(&InstDecoder::default(), bytes);
-    }
-    test_instr(&[0xf2, 0x0f, 0xf0, 0x0f], "lddqu xmm1, xmmword [rdi]");
-    test_instr_invalid(&[0xf2, 0x0f, 0xf0, 0xcf]);
-    test_instr(&[0xf2, 0x0f, 0xd0, 0x0f], "addsubps xmm1, xmmword [rdi]");
-    test_instr(&[0xf2, 0x0f, 0xd0, 0xcf], "addsubps xmm1, xmm7");
-    test_invalid(&[0xf3, 0x0f, 0xd0, 0x0f]);
-    test_instr(&[0xf2, 0x4f, 0x0f, 0xd0, 0xcf], "addsubps xmm9, xmm15");
-    test_instr(&[0x66, 0x0f, 0xd0, 0x0f], "addsubpd xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x0f, 0xd0, 0xcf], "addsubpd xmm1, xmm7");
-    test_instr(&[0x66, 0x4f, 0x0f, 0xd0, 0xcf], "addsubpd xmm9, xmm15");
-
-    test_instr(&[0xf2, 0x0f, 0x7c, 0x0f], "haddps xmm1, xmmword [rdi]");
-    test_instr(&[0xf2, 0x0f, 0x7c, 0xcf], "haddps xmm1, xmm7");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x7c, 0xcf], "haddps xmm9, xmm15");
-    test_instr(&[0x66, 0x0f, 0x7c, 0x0f], "haddpd xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x0f, 0x7c, 0xcf], "haddpd xmm1, xmm7");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x7c, 0xcf], "haddpd xmm9, xmm15");
-
-    test_instr(&[0xf2, 0x0f, 0x7d, 0x0f], "hsubps xmm1, xmmword [rdi]");
-    test_instr(&[0xf2, 0x0f, 0x7d, 0xcf], "hsubps xmm1, xmm7");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x7d, 0xcf], "hsubps xmm9, xmm15");
-    test_instr(&[0x66, 0x0f, 0x7d, 0x0f], "hsubpd xmm1, xmmword [rdi]");
-    test_instr(&[0x66, 0x0f, 0x7d, 0xcf], "hsubpd xmm1, xmm7");
-    test_instr(&[0x66, 0x4f, 0x0f, 0x7d, 0xcf], "hsubpd xmm9, xmm15");
-
-    test_instr(&[0xf3, 0x0f, 0x12, 0x0f], "movsldup xmm1, xmmword [rdi]");
-    test_instr(&[0xf3, 0x0f, 0x12, 0xcf], "movsldup xmm1, xmm7");
-    test_instr(&[0xf3, 0x4f, 0x0f, 0x12, 0xcf], "movsldup xmm9, xmm15");
-    test_instr(&[0xf3, 0x0f, 0x16, 0x0f], "movshdup xmm1, xmmword [rdi]");
-    test_instr(&[0xf3, 0x0f, 0x16, 0xcf], "movshdup xmm1, xmm7");
-    test_instr(&[0xf3, 0x4f, 0x0f, 0x16, 0xcf], "movshdup xmm9, xmm15");
-
-    test_instr(&[0xf2, 0x0f, 0x12, 0x0f], "movddup xmm1, qword [rdi]");
-    test_instr(&[0xf2, 0x0f, 0x12, 0xcf], "movddup xmm1, xmm7");
-    test_instr(&[0xf2, 0x4f, 0x0f, 0x12, 0xcf], "movddup xmm9, xmm15");
-
-    test_instr(&[0x0f, 0x01, 0xc8], "monitor");
-    test_invalid(&[0x66, 0x0f, 0x01, 0xc8]);
-    test_invalid(&[0xf3, 0x0f, 0x01, 0xc8]);
-    test_invalid(&[0xf2, 0x0f, 0x01, 0xc8]);
-
-    test_instr(&[0x0f, 0x01, 0xc9], "mwait");
-    test_invalid(&[0x66, 0x0f, 0x01, 0xc9]);
-    test_invalid(&[0xf2, 0x0f, 0x01, 0xc9]);
-    test_invalid(&[0xf3, 0x0f, 0x01, 0xc9]);
+mod mmx {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x4f, 0x0f, 0xf7, 0xc1], "maskmovq mm0, mm1"),
+        testcase!(&[0x0f, 0xf7, 0xc1], "maskmovq mm0, mm1"),
+        testcase!(invalid: &[0x0f, 0xf7, 0x01]),
+
+        testcase!(&[0x4f, 0x0f, 0xe7, 0x03], "movntq qword [r11], mm0"),
+        testcase!(&[0x0f, 0xe7, 0x03], "movntq qword [rbx], mm0"),
+        testcase!(invalid: &[0x0f, 0xe7, 0xc3]),
+
+        testcase!(&[0x4f, 0x0f, 0xc3, 0x03], "movnti qword [r11], r8"),
+        testcase!(invalid: &[0x66, 0x0f, 0xc3, 0x03]),
+        testcase!(&[0x0f, 0xc3, 0x03], "movnti dword [rbx], eax"),
+        testcase!(invalid: &[0x0f, 0xc3, 0xc3]),
+
+        testcase!(&[0x4f, 0x0f, 0x7e, 0xcf], "movd r15, mm1"),
+        testcase!(&[0x41, 0x0f, 0x7e, 0xcf], "movd r15d, mm1"),
+        testcase!(&[0x4f, 0x0f, 0x7f, 0xcf], "movq mm7, mm1"),
+        testcase!(&[0x4f, 0x0f, 0x7f, 0x0f], "movq qword [r15], mm1"),
+        testcase!(&[0x0f, 0xc4, 0xc0, 0x14], "pinsrw mm0, eax, 0x14"),
+        testcase!(&[0x4f, 0x0f, 0xc4, 0xc0, 0x14], "pinsrw mm0, r8d, 0x14"),
+        testcase!(&[0x4f, 0x0f, 0xc4, 0x00, 0x14], "pinsrw mm0, word [r8], 0x14"),
+        testcase!(&[0x4f, 0x0f, 0xd1, 0xcf], "psrlw mm1, mm7"),
+        testcase!(&[0x4f, 0x0f, 0xd1, 0x00], "psrlw mm0, qword [r8]"),
+        testcase!(invalid: &[0x4f, 0x0f, 0xd7, 0x00]),
+        testcase!(&[0x4f, 0x0f, 0xd7, 0xcf], "pmovmskb r9d, mm7"),
+        testcase!(&[0x0f, 0x3a, 0x0f, 0xc1, 0x23], "palignr mm0, mm1, 0x23"),
+        testcase!(&[0x0f, 0xf9, 0xc2], "psubw mm0, mm2"),
+        testcase!(&[0x0f, 0xfd, 0xd2], "paddw mm2, mm2"),
+        testcase!(&[0x0f, 0x6f, 0xe9], "movq mm5, mm1"),
+        testcase!(&[0x0f, 0xe5, 0x3d, 0xaa, 0xbb, 0xcc, 0x77], "pmulhw mm7, qword [rip + 0x77ccbbaa]"),
+
+        testcase!(&[0x0f, 0x38, 0x00, 0xda], "pshufb mm3, mm2"),
+
+        testcase!(&[0x0f, 0x74, 0xc2], "pcmpeqb mm0, mm2"),
+        testcase!(&[0x0f, 0x75, 0xc2], "pcmpeqw mm0, mm2"),
+        testcase!(&[0x0f, 0x76, 0xc2], "pcmpeqd mm0, mm2"),
+
+        testcase!(&[0x66, 0x0f, 0xc5, 0xd8, 0xff], "pextrw ebx, xmm0, 0xff"),
+        testcase!(invalid: &[0x66, 0x0f, 0xc5, 0x08, 0xff]),
+
+        testcase!(&[0x0f, 0xc5, 0xd1, 0x00], "pextrw edx, mm1, 0x0"),
+        testcase!(invalid: &[0x0f, 0xc5, 0x01, 0x00]),
+
+        testcase!(&[0x0f, 0xd8, 0xc2], "psubusb mm0, mm2"),
+        testcase!(&[0x0f, 0xd9, 0xc2], "psubusw mm0, mm2"),
+        testcase!(&[0x0f, 0xda, 0xc2], "pminub mm0, mm2"),
+        testcase!(&[0x0f, 0xdb, 0xc2], "pand mm0, mm2"),
+        testcase!(&[0x0f, 0xdc, 0xc2], "paddusb mm0, mm2"),
+        testcase!(&[0x0f, 0xdd, 0xc2], "paddusw mm0, mm2"),
+        testcase!(&[0x0f, 0xde, 0xc2], "pmaxub mm0, mm2"),
+        testcase!(&[0x0f, 0xdf, 0xc2], "pandn mm0, mm2"),
+
+        testcase!(&[0x0f, 0xe8, 0xc2], "psubsb mm0, mm2"),
+        testcase!(&[0x0f, 0xe9, 0xc2], "psubsw mm0, mm2"),
+        testcase!(&[0x0f, 0xea, 0xc2], "pminsw mm0, mm2"),
+        testcase!(&[0x0f, 0xeb, 0xc2], "por mm0, mm2"),
+        testcase!(&[0x0f, 0xec, 0xc2], "paddsb mm0, mm2"),
+        testcase!(&[0x0f, 0xed, 0xc2], "paddsw mm0, mm2"),
+        testcase!(&[0x0f, 0xee, 0xc2], "pmaxsw mm0, mm2"),
+        testcase!(&[0x0f, 0xef, 0xc2], "pxor mm0, mm2"),
+
+        testcase!(invalid: &[0x0f, 0xf0, 0xc2]),
+        testcase!(&[0x0f, 0xf1, 0xc2], "psllw mm0, mm2"),
+        testcase!(&[0x0f, 0xf2, 0xc2], "pslld mm0, mm2"),
+        testcase!(&[0x0f, 0xf3, 0xc2], "psllq mm0, mm2"),
+        testcase!(&[0x0f, 0xf4, 0xc2], "pmuludq mm0, mm2"),
+        testcase!(&[0x0f, 0xf5, 0xc2], "pmaddwd mm0, mm2"),
+        testcase!(&[0x0f, 0xf6, 0xc2], "psadbw mm0, mm2"),
+        testcase!(&[0x0f, 0xf8, 0xc2], "psubb mm0, mm2"),
+        testcase!(&[0x0f, 0xf9, 0xc2], "psubw mm0, mm2"),
+        testcase!(&[0x0f, 0xfa, 0xc2], "psubd mm0, mm2"),
+        testcase!(&[0x0f, 0xfb, 0xc2], "psubq mm0, mm2"),
+        testcase!(&[0x0f, 0xfc, 0xc2], "paddb mm0, mm2"),
+        testcase!(&[0x0f, 0xfd, 0xc2], "paddw mm0, mm2"),
+        testcase!(&[0x0f, 0xfe, 0xc2], "paddd mm0, mm2"),
+
+        testcase!(&[0x0f, 0xf1, 0x02], "psllw mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xf2, 0x02], "pslld mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xf3, 0x02], "psllq mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xf4, 0x02], "pmuludq mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xf5, 0x02], "pmaddwd mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xf6, 0x02], "psadbw mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xf8, 0x02], "psubb mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xf9, 0x02], "psubw mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xfa, 0x02], "psubd mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xfb, 0x02], "psubq mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xfc, 0x02], "paddb mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xfd, 0x02], "paddw mm0, qword [rdx]"),
+        testcase!(&[0x0f, 0xfe, 0x02], "paddd mm0, qword [rdx]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_sse4_2() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_sse4_2(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-        // avx doesn't imply older instructions are necessarily valid
-        test_invalid_under(&InstDecoder::minimal().with_avx(), bytes);
+mod cvt {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0x2c, 0xcf], "cvttps2pi mm1, xmm7"),
+        testcase!(&[0x48, 0x0f, 0x2c, 0xcf], "cvttps2pi mm1, xmm7"),
+        testcase!(&[0x4f, 0x0f, 0x2c, 0xcf], "cvttps2pi mm1, xmm15"),
+        testcase!(&[0x4f, 0x0f, 0x2a, 0xcf], "cvtpi2ps xmm9, mm7"),
+        testcase!(&[0x4f, 0x0f, 0x2a, 0x00], "cvtpi2ps xmm8, qword [r8]"),
+        testcase!(&[0x4f, 0x66, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm1, mm7"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm9, mm7"),
+        testcase!(&[0x4f, 0xf3, 0x0f, 0x2a, 0xcf], "cvtsi2ss xmm1, edi"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2a, 0xcf], "cvtsi2ss xmm9, r15"),
+        testcase!(&[0x4f, 0xf2, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm1, edi"),
+        testcase!(&[0xf2, 0x4f, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm9, r15"),
+        testcase!(&[0x4f, 0xf2, 0x0f, 0x2a, 0x00], "cvtsi2sd xmm0, dword [rax]"),
+        testcase!(&[0xf2, 0x4f, 0x0f, 0x2a, 0x00], "cvtsi2sd xmm8, qword [r8]"),
+        testcase!(&[0x4f, 0xf3, 0x0f, 0x2a, 0x00], "cvtsi2ss xmm0, dword [rax]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2a, 0x00], "cvtsi2ss xmm8, qword [r8]"),
+        testcase!(&[0x4f, 0x66, 0x0f, 0x2a, 0x00], "cvtpi2pd xmm0, dword [rax]"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0x2a, 0x00], "cvtpi2pd xmm8, qword [r8]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
+}
+
+mod aesni {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { AESNI: true } &[0x66, 0x0f, 0x38, 0xdb, 0x0f], "aesimc xmm1, xmmword [rdi]"),
+        testcase!(features { AESNI: true } &[0x66, 0x4f, 0x0f, 0x38, 0xdb, 0xcf], "aesimc xmm9, xmm15"),
+
+        testcase!(features { AESNI: true } &[0x66, 0x0f, 0x38, 0xdc, 0x0f], "aesenc xmm1, xmmword [rdi]"),
+        testcase!(features { AESNI: true } &[0x66, 0x4f, 0x0f, 0x38, 0xdc, 0xcf], "aesenc xmm9, xmm15"),
+
+        testcase!(features { AESNI: true } &[0x66, 0x0f, 0x38, 0xdd, 0x0f], "aesenclast xmm1, xmmword [rdi]"),
+        testcase!(features { AESNI: true } &[0x66, 0x4f, 0x0f, 0x38, 0xdd, 0xcf], "aesenclast xmm9, xmm15"),
+
+        testcase!(features { AESNI: true } &[0x66, 0x0f, 0x38, 0xde, 0x0f], "aesdec xmm1, xmmword [rdi]"),
+        testcase!(features { AESNI: true } &[0x66, 0x4f, 0x0f, 0x38, 0xde, 0xcf], "aesdec xmm9, xmm15"),
+
+        testcase!(features { AESNI: true } &[0x66, 0x0f, 0x38, 0xdf, 0x0f], "aesdeclast xmm1, xmmword [rdi]"),
+        testcase!(features { AESNI: true } &[0x66, 0x4f, 0x0f, 0x38, 0xdf, 0xcf], "aesdeclast xmm9, xmm15"),
+
+        testcase!(features { AESNI: true } &[0x66, 0x0f, 0x3a, 0xdf, 0x0f, 0xaa], "aeskeygenassist xmm1, xmmword [rdi], 0xaa"),
+        testcase!(features { AESNI: true } &[0x66, 0x4f, 0x0f, 0x3a, 0xdf, 0xcf, 0xaa], "aeskeygenassist xmm9, xmm15, 0xaa"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
     }
+}
+
+mod sse2 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x0f, 0x10, 0x0c, 0xc7], "movsd xmm1, qword [rdi + rax * 8]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x0f, 0x11, 0x0c, 0xc7], "movsd qword [rdi + rax * 8], xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0x11, 0x0c, 0xc7], "movupd xmmword [rdi + rax * 8], xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x12, 0x03], "movlpd xmm8, qword [r11]"), // reg-mem is movlpd
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x13, 0x03], "movlpd qword [r11], xmm8"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x13, 0xc3]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x14, 0x03], "unpcklpd xmm8, xmmword [r11]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x14, 0xc3], "unpcklpd xmm8, xmm11"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x15, 0x03], "unpckhpd xmm8, xmmword [r11]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x15, 0xc3], "unpckhpd xmm8, xmm11"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x16, 0x03], "movhpd xmm8, qword [r11]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x17, 0x03], "movhpd qword [r11], xmm8"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x17, 0xc3]),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x28, 0xd0], "movapd xmm10, xmm8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8]"),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm9, mm7"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2a, 0x0f], "cvtpi2pd xmm9, qword [r15]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm9, r15"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x2a, 0x0f], "cvtsi2sd xmm9, qword [r15]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2b, 0x0f], "movntpd xmmword [r15], xmm9"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2c, 0xcf], "cvttpd2pi mm1, xmm15"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2c, 0x0f], "cvttpd2pi mm1, xmmword [r15]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x2c, 0xcf], "cvttsd2si r9, xmm15"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x2c, 0x0f], "cvttsd2si r9, qword [r15]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x40, 0x0f, 0x2c, 0xcf], "cvttsd2si ecx, xmm7"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x40, 0x0f, 0x2c, 0x0f], "cvttsd2si ecx, qword [rdi]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2d, 0xcf], "cvtpd2pi mm1, xmm15"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2d, 0x0f], "cvtpd2pi mm1, xmmword [r15]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x2d, 0xcf], "cvtsd2si r9, xmm15"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x2d, 0x0f], "cvtsd2si r9, qword [r15]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x40, 0x0f, 0x2d, 0xcf], "cvtsd2si ecx, xmm7"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x40, 0x0f, 0x2d, 0x0f], "cvtsd2si ecx, qword [rdi]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2e, 0xcf], "ucomisd xmm9, xmm15"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2e, 0x0f], "ucomisd xmm9, qword [r15]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2f, 0xcf], "comisd xmm9, xmm15"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x2f, 0x0f], "comisd xmm9, qword [r15]"),
+
+        /*
+         * .... 660f38
+         * .... 660f7f
+         */
+
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x50, 0x01]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x50, 0xc1], "movmskpd r8d, xmm9"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x51, 0x01], "sqrtpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x51, 0x01], "sqrtsd xmm8, qword [r9]"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x52, 0x01]),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x53, 0x01]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x54, 0x01], "andpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x55, 0x01], "andnpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x56, 0x01], "orpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x57, 0x01], "xorpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x58, 0x01], "addpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x58, 0x01], "addsd xmm8, qword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x59, 0x01], "mulpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x59, 0x01], "mulsd xmm8, qword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x5a, 0x01], "cvtpd2ps xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x5a, 0x01], "cvtsd2ss xmm8, qword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x5b, 0x01], "cvtps2dq xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x5c, 0x01], "subpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x5c, 0x01], "subsd xmm8, qword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x5d, 0x01], "minpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x5d, 0x01], "minsd xmm8, qword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x5e, 0x01], "divpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x5e, 0x01], "divsd xmm8, qword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x5f, 0x01], "maxpd xmm8, xmmword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0x5f, 0x01], "maxsd xmm8, qword [r9]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x60, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpcklbw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x61, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpcklwd xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x62, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpckldq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x63, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "packsswb xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x64, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "pcmpgtb xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x65, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "pcmpgtw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x66, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "pcmpgtd xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x67, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "packuswb xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x68, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpckhbw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x69, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpckhwd xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x6a, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpckhdq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x6b, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "packssdw xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x6c, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpcklqdq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x6d, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "punpckhqdq xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x6e, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "movq xmm11, qword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x6f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "movdqa xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x48, 0x0f, 0x6e, 0xc0], "movq xmm0, rax"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0x70, 0xc0, 0x4e], "pshufd xmm0, xmm0, 0x4e"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x0f, 0x70, 0xc0, 0x4e], "pshuflw xmm0, xmm0, 0x4e"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf3, 0x0f, 0x70, 0xc0, 0x4e], "pshufhw xmm0, xmm0, 0x4e"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x71, 0x10, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x71, 0xd0, 0x8f], "psrlw xmm8, 0x8f"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x71, 0x20, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x71, 0xe0, 0x8f], "psraw xmm8, 0x8f"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x71, 0x30, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x71, 0xf0, 0x8f], "psllw xmm8, 0x8f"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x72, 0x10, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x72, 0xd0, 0x8f], "psrld xmm8, 0x8f"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x72, 0x20, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x72, 0xe0, 0x8f], "psrad xmm8, 0x8f"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x72, 0x30, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x72, 0xf0, 0x8f], "pslld xmm8, 0x8f"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x73, 0x10, 0x8f]),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x73, 0x18, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x73, 0xd0, 0x8f], "psrlq xmm8, 0x8f"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x73, 0xd8, 0x8f], "psrldq xmm8, 0x8f"),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x73, 0x30, 0x8f]),
+        testcase!(invalid: &[0x66, 0x4f, 0x0f, 0x73, 0x38, 0x8f]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x73, 0xf0, 0x8f], "psllq xmm8, 0x8f"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x73, 0xf8, 0x8f], "pslldq xmm8, 0x8f"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0x7e, 0xc1], "movd ecx, xmm0"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x48, 0x0f, 0x7e, 0xc1], "movq rcx, xmm0"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x48, 0x0f, 0x7e, 0x01], "movq qword [rcx], xmm0"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0x7e, 0xc1], "movq r9, xmm8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true }
+            &[0x66, 0x4f, 0x0f, 0x7f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "movdqa xmmword [r12 + r11 * 4 - 0x334455cc], xmm11"
+        ),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc2, 0xc3, 0x08], "cmppd xmm0, xmm3, 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xc2, 0xc3, 0x08], "cmppd xmm8, xmm11, 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xc2, 0x03, 0x08], "cmppd xmm8, xmmword [r11], 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x0f, 0xc2, 0xc3, 0x08], "cmpsd xmm0, xmm3, 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0xc2, 0xc3, 0x08], "cmpsd xmm8, xmm11, 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0xc2, 0x03, 0x08], "cmpsd xmm8, qword [r11], 0x8"),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc4, 0xc3, 0x08], "pinsrw xmm0, ebx, 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xc4, 0xc3, 0x08], "pinsrw xmm8, r11d, 0x8"),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc4, 0x03, 0x08], "pinsrw xmm0, word [rbx], 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xc4, 0x03, 0x08], "pinsrw xmm8, word [r11], 0x8"),
+
+    //    testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc5, 0xc3, 0x08], "pextrw eax, xmm3, 0x8"),
+    //    testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xc5, 0xc3, 0x08], "pextrw r8d, xmm11, 0x8"),
+    //    testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc5, 0x03, 0x08]),
+    //    testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc5, 0x40, 0x08]),
+    //    testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc5, 0x80, 0x08]),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xc6, 0x03, 0x08], "shufpd xmm8, xmmword [r11], 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc6, 0x03, 0x08], "shufpd xmm0, xmmword [rbx], 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xc6, 0xc3, 0x08], "shufpd xmm0, xmm3, 0x8"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd1, 0xc1], "psrlw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd1, 0x01], "psrlw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd2, 0xc1], "psrld xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd2, 0x01], "psrld xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd3, 0xc1], "psrlq xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd3, 0x01], "psrlq xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd4, 0xc1], "paddq xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd4, 0x01], "paddq xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd5, 0xc1], "pmullw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd5, 0x01], "pmullw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd6, 0xc1], "movq xmm1, xmm0"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd6, 0x01], "movq qword [rcx], xmm0"),
+        testcase!(invalid: &[0xf3, 0x4f, 0x0f, 0xd6, 0x03]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf3, 0x4f, 0x0f, 0xd6, 0xc3], "movq2dq xmm8, mm3"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x4f, 0x0f, 0xd6, 0xc3], "movdq2q mm0, xmm11"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd7, 0xc1], "pmovmskb eax, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xd7, 0xc1], "pmovmskb r8d, xmm9"),
+        testcase!(invalid: &[0x66, 0x0f, 0xd7, 0x01]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd8, 0xc1], "psubusb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd8, 0x01], "psubusb xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd9, 0xc1], "psubusw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xd9, 0x01], "psubusw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xda, 0xc1], "pminub xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xda, 0x01], "pminub xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdb, 0xc1], "pand xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdb, 0x01], "pand xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdc, 0xc1], "paddusb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdc, 0x01], "paddusb xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdd, 0xc1], "paddusw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdd, 0x01], "paddusw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xde, 0xc1], "pmaxub xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xde, 0x01], "pmaxub xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdf, 0xc1], "pandn xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xdf, 0x01], "pandn xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe0, 0xc1], "pavgb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe0, 0x01], "pavgb xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe1, 0xc1], "psraw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe1, 0x01], "psraw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe2, 0xc1], "psrad xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe2, 0x01], "psrad xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe3, 0xc1], "pavgw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe3, 0x01], "pavgw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe4, 0xc1], "pmulhuw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe4, 0x01], "pmulhuw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe5, 0xc1], "pmulhw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe5, 0x01], "pmulhw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe6, 0xc1], "cvttpd2dq xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe6, 0x01], "cvttpd2dq xmm0, xmmword [rcx]"),
+        testcase!(invalid: &[0x66, 0x0f, 0xe7, 0xc1]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe7, 0x01], "movntdq xmmword [rcx], xmm0"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe8, 0xc1], "psubsb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe8, 0x01], "psubsb xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe9, 0xc1], "psubsw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xe9, 0x01], "psubsw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xea, 0xc1], "pminsw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xea, 0x01], "pminsw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xeb, 0xc3], "por xmm0, xmm3"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xeb, 0xc4], "por xmm0, xmm4"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xeb, 0xd3], "por xmm2, xmm3"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xeb, 0x12], "por xmm2, xmmword [rdx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xeb, 0xc1], "por xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xeb, 0x01], "por xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xec, 0xc1], "paddsb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xec, 0x01], "paddsb xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xed, 0xc1], "paddsw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xed, 0x01], "paddsw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xee, 0xc1], "pmaxsw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xee, 0x01], "pmaxsw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xef, 0xc1], "pxor xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xef, 0x01], "pxor xmm0, xmmword [rcx]"),
+        testcase!(invalid: &[0x66, 0x0f, 0xf0, 0xc1]),
+        testcase!(invalid: &[0x66, 0x0f, 0xf0, 0x01]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf1, 0xc1], "psllw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf1, 0x01], "psllw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf2, 0xc1], "pslld xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf2, 0x01], "pslld xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf3, 0xc1], "psllq xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf3, 0x01], "psllq xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf4, 0xc1], "pmuludq xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf4, 0x01], "pmuludq xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf5, 0xc1], "pmaddwd xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf5, 0x01], "pmaddwd xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf6, 0xc1], "psadbw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf6, 0x01], "psadbw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf7, 0xc1], "maskmovdqu xmm0, xmm1"),
+        testcase!(invalid: &[0x66, 0x0f, 0xf7, 0x01]),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf8, 0xc1], "psubb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf8, 0x01], "psubb xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf9, 0xc1], "psubw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf9, 0x01], "psubw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfa, 0xc1], "psubd xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfa, 0x01], "psubd xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfb, 0xc1], "psubq xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfb, 0x01], "psubq xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfc, 0xc1], "paddb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfc, 0x01], "paddb xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfd, 0xc1], "paddw xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfd, 0x01], "paddw xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfe, 0xc1], "paddd xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xfe, 0x01], "paddd xmm0, xmmword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xff, 0xc1], "ud0 eax, ecx"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf2, 0x0f, 0xff, 0xc1], "ud0 eax, ecx"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0xf3, 0x0f, 0xff, 0xc1], "ud0 eax, ecx"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xff, 0x01], "ud0 eax, dword [rcx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x4f, 0x0f, 0xff, 0xc1], "ud0 r8d, r9d"),
+
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0x74, 0xc1], "pcmpeqb xmm0, xmm1"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0x74, 0x12], "pcmpeqb xmm2, xmmword [rdx]"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf8, 0xc8], "psubb xmm1, xmm0"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf8, 0xd0], "psubb xmm2, xmm0"),
+        testcase!(features nodefault { Minimal: true, SSE: true, SSE2: true } &[0x66, 0x0f, 0xf8, 0x12], "psubb xmm2, xmmword [rdx]"),
+    ];
 
-    #[allow(unused)]
-    fn test_instr_invalid(bytes: &[u8]) {
-        test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes);
-        test_invalid_under(&InstDecoder::default(), bytes);
+    #[test]
+    fn test() {
+        run_test(&CASES);
     }
+}
 
-    test_instr(&[0x66, 0x0f, 0x38, 0x37, 0x03], "pcmpgtq xmm0, xmmword [rbx]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x37, 0xc3], "pcmpgtq xmm0, xmm3");
+mod sse3 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0xf0, 0x0f], "lddqu xmm1, xmmword [rdi]"),
+        testcase!(invalid: &[0xf2, 0x0f, 0xf0, 0xcf]),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0xd0, 0x0f], "addsubps xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0xd0, 0xcf], "addsubps xmm1, xmm7"),
+        testcase!(invalid: &[0xf3, 0x0f, 0xd0, 0x0f]),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x4f, 0x0f, 0xd0, 0xcf], "addsubps xmm9, xmm15"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x0f, 0xd0, 0x0f], "addsubpd xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x0f, 0xd0, 0xcf], "addsubpd xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x4f, 0x0f, 0xd0, 0xcf], "addsubpd xmm9, xmm15"),
+
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0x7c, 0x0f], "haddps xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0x7c, 0xcf], "haddps xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x4f, 0x0f, 0x7c, 0xcf], "haddps xmm9, xmm15"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x0f, 0x7c, 0x0f], "haddpd xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x0f, 0x7c, 0xcf], "haddpd xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x4f, 0x0f, 0x7c, 0xcf], "haddpd xmm9, xmm15"),
+
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0x7d, 0x0f], "hsubps xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0x7d, 0xcf], "hsubps xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x4f, 0x0f, 0x7d, 0xcf], "hsubps xmm9, xmm15"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x0f, 0x7d, 0x0f], "hsubpd xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x0f, 0x7d, 0xcf], "hsubpd xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x66, 0x4f, 0x0f, 0x7d, 0xcf], "hsubpd xmm9, xmm15"),
+
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf3, 0x0f, 0x12, 0x0f], "movsldup xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf3, 0x0f, 0x12, 0xcf], "movsldup xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf3, 0x4f, 0x0f, 0x12, 0xcf], "movsldup xmm9, xmm15"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf3, 0x0f, 0x16, 0x0f], "movshdup xmm1, xmmword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf3, 0x0f, 0x16, 0xcf], "movshdup xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf3, 0x4f, 0x0f, 0x16, 0xcf], "movshdup xmm9, xmm15"),
+
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0x12, 0x0f], "movddup xmm1, qword [rdi]"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x0f, 0x12, 0xcf], "movddup xmm1, xmm7"),
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0xf2, 0x4f, 0x0f, 0x12, 0xcf], "movddup xmm9, xmm15"),
+
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x0f, 0x01, 0xc8], "monitor"),
+        testcase!(invalid: &[0x66, 0x0f, 0x01, 0xc8]),
+        testcase!(invalid: &[0xf3, 0x0f, 0x01, 0xc8]),
+        testcase!(invalid: &[0xf2, 0x0f, 0x01, 0xc8]),
+
+        testcase!(features { SSE3: true, SSE4_1: false, SSE4_2: false, AVX: false } &[0x0f, 0x01, 0xc9], "mwait"),
+        testcase!(invalid: &[0x66, 0x0f, 0x01, 0xc9]),
+        testcase!(invalid: &[0xf2, 0x0f, 0x01, 0xc9]),
+        testcase!(invalid: &[0xf3, 0x0f, 0x01, 0xc9]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
+}
 
-    test_instr(&[0xf2, 0x0f, 0x38, 0xf0, 0x06], "crc32 eax, byte [rsi]");
-    test_instr(&[0xf2, 0x0f, 0x38, 0xf0, 0xc6], "crc32 eax, dh");
-    test_instr(&[0xf2, 0x0f, 0x38, 0xf1, 0x06], "crc32 eax, dword [rsi]");
-    test_instr(&[0xf2, 0x0f, 0x38, 0xf1, 0xc6], "crc32 eax, esi");
-    test_instr(&[0x66, 0xf2, 0x0f, 0x38, 0xf1, 0xc6], "crc32 eax, si");
-    test_instr(&[0x66, 0xf2, 0x48, 0x0f, 0x38, 0xf1, 0xc6], "crc32 rax, rsi");
+mod sse4_2 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x38, 0x37, 0x03], "pcmpgtq xmm0, xmmword [rbx]"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x38, 0x37, 0xc3], "pcmpgtq xmm0, xmm3"),
+
+        testcase!(features { SSE4_2: true, AVX: false } &[0xf2, 0x0f, 0x38, 0xf0, 0x06], "crc32 eax, byte [rsi]"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0xf2, 0x0f, 0x38, 0xf0, 0xc6], "crc32 eax, dh"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0xf2, 0x0f, 0x38, 0xf1, 0x06], "crc32 eax, dword [rsi]"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0xf2, 0x0f, 0x38, 0xf1, 0xc6], "crc32 eax, esi"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0xf2, 0x0f, 0x38, 0xf1, 0xc6], "crc32 eax, si"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0xf2, 0x48, 0x0f, 0x38, 0xf1, 0xc6], "crc32 rax, rsi"),
+
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x60, 0xc6, 0x54], "pcmpestrm xmm0, xmm6, 0x54"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x60, 0x06, 0x54], "pcmpestrm xmm0, xmmword [rsi], 0x54"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x61, 0xc6, 0x54], "pcmpestri xmm0, xmm6, 0x54"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x61, 0x06, 0x54], "pcmpestri xmm0, xmmword [rsi], 0x54"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x62, 0xc6, 0x54], "pcmpistrm xmm0, xmm6, 0x54"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x62, 0x06, 0x54], "pcmpistrm xmm0, xmmword [rsi], 0x54"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x63, 0xc6, 0x54], "pcmpistri xmm0, xmm6, 0x54"),
+        testcase!(features { SSE4_2: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x63, 0x06, 0x54], "pcmpistri xmm0, xmmword [rsi], 0x54"),
+    ];
 
-    test_instr(&[0x66, 0x0f, 0x3a, 0x60, 0xc6, 0x54], "pcmpestrm xmm0, xmm6, 0x54");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x60, 0x06, 0x54], "pcmpestrm xmm0, xmmword [rsi], 0x54");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x61, 0xc6, 0x54], "pcmpestri xmm0, xmm6, 0x54");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x61, 0x06, 0x54], "pcmpestri xmm0, xmmword [rsi], 0x54");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x62, 0xc6, 0x54], "pcmpistrm xmm0, xmm6, 0x54");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x62, 0x06, 0x54], "pcmpistrm xmm0, xmmword [rsi], 0x54");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x63, 0xc6, 0x54], "pcmpistri xmm0, xmm6, 0x54");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x63, 0x06, 0x54], "pcmpistri xmm0, xmmword [rsi], 0x54");
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_sse4_1() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_sse4_1(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-        // avx doesn't imply older instructions are necessarily valid
-        test_invalid_under(&InstDecoder::minimal().with_avx(), bytes);
-        // sse4_2 doesn't imply older instructions are necessarily valid
-        test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes);
-    }
-
-    #[allow(unused)]
-    fn test_instr_invalid(bytes: &[u8]) {
-        test_invalid_under(&InstDecoder::minimal().with_sse4_1(), bytes);
-        test_invalid_under(&InstDecoder::default(), bytes);
-    }
-
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0c, 0x11, 0x22], "blendps xmm2, xmmword [rcx], 0x22");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0c, 0xc1, 0x22], "blendps xmm0, xmm1, 0x22");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0d, 0x11, 0x22], "blendpd xmm2, xmmword [rcx], 0x22");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0d, 0xc1, 0x22], "blendpd xmm0, xmm1, 0x22");
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x10, 0x06], "pblendvb xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x10, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x14, 0x06], "blendvps xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x14, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x15, 0x06], "blendvpd xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x15, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x17, 0x06], "ptest xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x17, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x20, 0x06], "pmovsxbw xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x20, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x21, 0x06], "pmovsxbd xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x21, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x22, 0x06], "pmovsxbq xmm0, word [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x22, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x23, 0x06], "pmovsxwd xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x23, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x24, 0x06], "pmovsxwq xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x24, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x25, 0x06], "pmovsxdq xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x25, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x28, 0x06], "pmuldq xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x28, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x29, 0x06], "pcmpeqq xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x29, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x2a, 0x06], "movntdqa xmm0, xmmword [rsi]");
-    test_invalid(&[0x66, 0x0f, 0x38, 0x2a, 0xc6]);
-    test_invalid(&[0x0f, 0x38, 0x2a, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x2b, 0x06], "packusdw xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x2b, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x30, 0x06], "pmovzxbw xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x30, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x31, 0x06], "pmovzxbd xmm0, dword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x31, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x32, 0x06], "pmovzxbq xmm0, word [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x32, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x33, 0x06], "pmovzxwd xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x33, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x34, 0x06], "pmovzxwq xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x34, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x35, 0x06], "pmovzxdq xmm0, qword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x35, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x38, 0x06], "pminsb xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x38, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x39, 0x06], "pminsd xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x39, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x3a, 0x06], "pminuw xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x3a, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x3b, 0x06], "pminud xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x3b, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x3c, 0x06], "pmaxsb xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x3c, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x3d, 0x06], "pmaxsd xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x3d, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x3e, 0x06], "pmaxuw xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x3e, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x3f, 0x06], "pmaxud xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x3f, 0x06]);
-
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x40, 0x06], "pmulld xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x40, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x38, 0x41, 0x06], "phminposuw xmm0, xmmword [rsi]");
-    test_invalid(&[0x0f, 0x38, 0x41, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x3a, 0x08, 0x06, 0x31], "roundps xmm0, xmmword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x08, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x09, 0x06, 0x31], "roundpd xmm0, xmmword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x09, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0a, 0x06, 0x31], "roundss xmm0, xmmword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x0a, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0b, 0x06, 0x31], "roundsd xmm0, xmmword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x0b, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0e, 0x06, 0x31], "pblendw xmm0, xmmword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x0e, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x3a, 0x14, 0x06, 0x31], "pextrb byte [rsi], xmm0, 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x14, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x15, 0x06, 0x31], "pextrw word [rsi], xmm0, 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x15, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x16, 0x06, 0x31], "pextrd dword [rsi], xmm0, 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x16, 0x06]);
-    test_instr(&[0x66, 0x48, 0x0f, 0x3a, 0x16, 0x06, 0x31], "pextrq qword [rsi], xmm0, 0x31");
-    test_instr(&[0x66, 0x0f, 0x3a, 0x17, 0x06, 0x31], "extractps dword [rsi], xmm0, 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x17, 0x06]);
-
-    test_instr(&[0x66, 0x0f, 0x3a, 0x20, 0x06, 0x31], "pinsrb xmm0, byte [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x20, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x21, 0x06, 0x31], "insertps xmm0, dword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x21, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x22, 0x06, 0x31], "pinsrd xmm0, dword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x22, 0x06]);
-    test_instr(&[0x66, 0x48, 0x0f, 0x3a, 0x22, 0x06, 0x31], "pinsrq xmm0, qword [rsi], 0x31");
-
-    test_instr(&[0x66, 0x0f, 0x3a, 0x40, 0x06, 0x31], "dpps xmm0, xmmword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x40, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x41, 0x06, 0x31], "dppd xmm0, xmmword [rsi], 0x31");
-    test_invalid(&[0x0f, 0x3a, 0x41, 0x06]);
-    test_instr(&[0x66, 0x0f, 0x3a, 0x42, 0x06, 0x44], "mpsadbw xmm0, xmmword [rsi], 0x44");
-    test_invalid(&[0x0f, 0x3a, 0x42, 0x06]);
+mod sse4_1 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0c, 0x11, 0x22], "blendps xmm2, xmmword [rcx], 0x22"),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0c, 0xc1, 0x22], "blendps xmm0, xmm1, 0x22"),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0d, 0x11, 0x22], "blendpd xmm2, xmmword [rcx], 0x22"),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0d, 0xc1, 0x22], "blendpd xmm0, xmm1, 0x22"),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x10, 0x06], "pblendvb xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x10, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x14, 0x06], "blendvps xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x14, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x15, 0x06], "blendvpd xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x15, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x17, 0x06], "ptest xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x17, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x20, 0x06], "pmovsxbw xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x20, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x21, 0x06], "pmovsxbd xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x21, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x22, 0x06], "pmovsxbq xmm0, word [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x22, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x23, 0x06], "pmovsxwd xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x23, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x24, 0x06], "pmovsxwq xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x24, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x25, 0x06], "pmovsxdq xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x25, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x28, 0x06], "pmuldq xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x28, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x29, 0x06], "pcmpeqq xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x29, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x2a, 0x06], "movntdqa xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x66, 0x0f, 0x38, 0x2a, 0xc6]),
+        testcase!(invalid: &[0x0f, 0x38, 0x2a, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x2b, 0x06], "packusdw xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x2b, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x30, 0x06], "pmovzxbw xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x30, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x31, 0x06], "pmovzxbd xmm0, dword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x31, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x32, 0x06], "pmovzxbq xmm0, word [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x32, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x33, 0x06], "pmovzxwd xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x33, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x34, 0x06], "pmovzxwq xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x34, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x35, 0x06], "pmovzxdq xmm0, qword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x35, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x38, 0x06], "pminsb xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x38, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x39, 0x06], "pminsd xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x39, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x3a, 0x06], "pminuw xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x3a, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x3b, 0x06], "pminud xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x3b, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x3c, 0x06], "pmaxsb xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x3c, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x3d, 0x06], "pmaxsd xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x3d, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x3e, 0x06], "pmaxuw xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x3e, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x3f, 0x06], "pmaxud xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x3f, 0x06]),
+
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x40, 0x06], "pmulld xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x40, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x38, 0x41, 0x06], "phminposuw xmm0, xmmword [rsi]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x41, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x08, 0x06, 0x31], "roundps xmm0, xmmword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x08, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x09, 0x06, 0x31], "roundpd xmm0, xmmword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x09, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0a, 0x06, 0x31], "roundss xmm0, xmmword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x0a, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0b, 0x06, 0x31], "roundsd xmm0, xmmword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x0b, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0e, 0x06, 0x31], "pblendw xmm0, xmmword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x0e, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x14, 0x06, 0x31], "pextrb byte [rsi], xmm0, 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x14, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x15, 0x06, 0x31], "pextrw word [rsi], xmm0, 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x15, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x16, 0x06, 0x31], "pextrd dword [rsi], xmm0, 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x16, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x48, 0x0f, 0x3a, 0x16, 0x06, 0x31], "pextrq qword [rsi], xmm0, 0x31"),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x17, 0x06, 0x31], "extractps dword [rsi], xmm0, 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x17, 0x06]),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x20, 0x06, 0x31], "pinsrb xmm0, byte [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x20, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x21, 0x06, 0x31], "insertps xmm0, dword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x21, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x22, 0x06, 0x31], "pinsrd xmm0, dword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x22, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x48, 0x0f, 0x3a, 0x22, 0x06, 0x31], "pinsrq xmm0, qword [rsi], 0x31"),
+
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x40, 0x06, 0x31], "dpps xmm0, xmmword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x40, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x41, 0x06, 0x31], "dppd xmm0, xmmword [rsi], 0x31"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x41, 0x06]),
+        testcase!(features { SSE4_1: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x42, 0x06, 0x44], "mpsadbw xmm0, xmmword [rsi], 0x44"),
+        testcase!(invalid: &[0x0f, 0x3a, 0x42, 0x06]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_ssse3() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_ssse3(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-        // avx doesn't imply older instructions are necessarily valid
-        test_invalid_under(&InstDecoder::minimal().with_avx(), bytes);
-        // sse4 doesn't imply older instructions are necessarily valid
-        test_invalid_under(&InstDecoder::minimal().with_sse4_1(), bytes);
-        test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes);
-    }
-
-    #[allow(unused)]
-    fn test_instr_invalid(bytes: &[u8]) {
-        test_invalid_under(&InstDecoder::minimal().with_ssse3(), bytes);
-        test_invalid_under(&InstDecoder::default(), bytes);
-    }
-    test_instr(&[0x66, 0x0f, 0x38, 0x00, 0xda], "pshufb xmm3, xmm2");
-    test_instr(&[0x66, 0x0f, 0x38, 0x00, 0x06], "pshufb xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x00, 0x06], "pshufb mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x01, 0x06], "phaddw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x01, 0x06], "phaddw mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x02, 0x06], "phaddd xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x02, 0x06], "phaddd mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x03, 0x06], "phaddsw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x03, 0x06], "phaddsw mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x04, 0x06], "pmaddubsw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x04, 0x06], "pmaddubsw mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x05, 0x06], "phsubw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x05, 0x06], "phsubw mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x06, 0x06], "phsubd xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x06, 0x06], "phsubd mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x07, 0x06], "phsubsw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x07, 0x06], "phsubsw mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x08, 0x06], "psignb xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x08, 0x06], "psignb mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x09, 0x06], "psignw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x09, 0x06], "psignw mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x0a, 0x06], "psignd xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x0a, 0x06], "psignd mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x0b, 0x06], "pmulhrsw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x0b, 0x06], "pmulhrsw mm0, qword [rsi]");
-
-    test_instr(&[0x66, 0x0f, 0x38, 0x1c, 0x06], "pabsb xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x1c, 0x06], "pabsb mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x1d, 0x06], "pabsw xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x1d, 0x06], "pabsw mm0, qword [rsi]");
-    test_instr(&[0x66, 0x0f, 0x38, 0x1e, 0x06], "pabsd xmm0, xmmword [rsi]");
-    test_instr(&[0x0f, 0x38, 0x1e, 0x06], "pabsd mm0, qword [rsi]");
-
-    test_instr(&[0x66, 0x0f, 0x3a, 0x0f, 0x06, 0x30], "palignr xmm0, xmmword [rsi], 0x30");
-    test_instr(&[0x0f, 0x3a, 0x0f, 0x06, 0x30], "palignr mm0, qword [rsi], 0x30");
+mod ssse3 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x00, 0xda], "pshufb xmm3, xmm2"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x00, 0x06], "pshufb xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x00, 0x06], "pshufb mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x01, 0x06], "phaddw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x01, 0x06], "phaddw mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x02, 0x06], "phaddd xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x02, 0x06], "phaddd mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x03, 0x06], "phaddsw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x03, 0x06], "phaddsw mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x04, 0x06], "pmaddubsw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x04, 0x06], "pmaddubsw mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x05, 0x06], "phsubw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x05, 0x06], "phsubw mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x06, 0x06], "phsubd xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x06, 0x06], "phsubd mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x07, 0x06], "phsubsw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x07, 0x06], "phsubsw mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x08, 0x06], "psignb xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x08, 0x06], "psignb mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x09, 0x06], "psignw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x09, 0x06], "psignw mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x0a, 0x06], "psignd xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x0a, 0x06], "psignd mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x0b, 0x06], "pmulhrsw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x0b, 0x06], "pmulhrsw mm0, qword [rsi]"),
+
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x1c, 0x06], "pabsb xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x1c, 0x06], "pabsb mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x1d, 0x06], "pabsw xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x1d, 0x06], "pabsw mm0, qword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x38, 0x1e, 0x06], "pabsd xmm0, xmmword [rsi]"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x38, 0x1e, 0x06], "pabsd mm0, qword [rsi]"),
+
+        testcase!(features { SSSE3: true, AVX: false } &[0x66, 0x0f, 0x3a, 0x0f, 0x06, 0x30], "palignr xmm0, xmmword [rsi], 0x30"),
+        testcase!(features { SSSE3: true, AVX: false } &[0x0f, 0x3a, 0x0f, 0x06, 0x30], "palignr mm0, qword [rsi], 0x30"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_0f01() {
-    // drawn heavily from "Table A-6.  Opcode Extensions for One- and Two-byte Opcodes by Group
-    // Number"
-    for x in &[0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f] {
-        test_invalid(&[0x0f, 0x01, *x]);
-    }
-    test_display(&[0x0f, 0x01, 0x38], "invlpg byte [rax]");
-    test_display(&[0x0f, 0x01, 0x3f], "invlpg byte [rdi]");
-    test_display(&[0x0f, 0x01, 0x40, 0xff], "sgdt mword [rax - 0x1]");
-    test_display(&[0x0f, 0x01, 0x41, 0xff], "sgdt mword [rcx - 0x1]");
-    test_display(&[0x0f, 0x01, 0x49, 0xff], "sidt mword [rcx - 0x1]");
-    test_display(&[0x0f, 0x01, 0x51, 0xff], "lgdt mword [rcx - 0x1]");
-    test_display(&[0x0f, 0x01, 0x59, 0xff], "lidt mword [rcx - 0x1]");
-    test_display(&[0x0f, 0x01, 0x61, 0xff], "smsw word [rcx - 0x1]");
-    test_invalid(&[0x0f, 0x01, 0x69, 0xff]);
-    test_display(&[0x0f, 0x01, 0x71, 0xff], "lmsw word [rcx - 0x1]");
-    test_display(&[0x0f, 0x01, 0x79, 0xff], "invlpg byte [rcx - 0x1]");
-    test_display(&[0x0f, 0x01, 0xc0], "enclv");
-    test_display(&[0x0f, 0x01, 0xc1], "vmcall");
-    test_display(&[0x0f, 0x01, 0xc2], "vmlaunch");
-    test_display(&[0x0f, 0x01, 0xc3], "vmresume");
-    test_display(&[0x0f, 0x01, 0xc4], "vmxoff");
-    test_display(&[0x0f, 0x01, 0xc5], "pconfig");
-    test_invalid(&[0x0f, 0x01, 0xc6]);
-    test_invalid(&[0x0f, 0x01, 0xc7]);
-    test_display(&[0x0f, 0x01, 0xc8], "monitor");
-    test_display(&[0x0f, 0x01, 0xc9], "mwait");
-    test_display(&[0x0f, 0x01, 0xca], "clac");
-    test_display(&[0x0f, 0x01, 0xcb], "stac");
-    test_invalid(&[0x0f, 0x01, 0xcc]);
-    test_invalid(&[0x0f, 0x01, 0xcd]);
-    test_invalid(&[0x0f, 0x01, 0xce]);
-    test_display(&[0x0f, 0x01, 0xcf], "encls");
-    test_display(&[0x0f, 0x01, 0xd0], "xgetbv");
-    test_display(&[0x0f, 0x01, 0xd1], "xsetbv");
-    test_invalid(&[0x0f, 0x01, 0xd2]);
-    test_invalid(&[0x0f, 0x01, 0xd3]);
-    test_display(&[0x0f, 0x01, 0xd4], "vmfunc");
-    test_display(&[0x0f, 0x01, 0xd5], "xend");
-    test_display(&[0x0f, 0x01, 0xd6], "xtest");
-    test_display(&[0x0f, 0x01, 0xd7], "enclu");
-    test_display(&[0x0f, 0x01, 0xd8], "vmrun rax");
-    test_display(&[0x0f, 0x01, 0xd9], "vmmcall");
-    test_display(&[0x0f, 0x01, 0xda], "vmload rax");
-    test_display(&[0x0f, 0x01, 0xdb], "vmsave rax");
-    test_display(&[0x0f, 0x01, 0xdc], "stgi");
-    test_display(&[0x0f, 0x01, 0xdd], "clgi");
-    test_display(&[0x0f, 0x01, 0xde], "skinit eax");
-    test_display(&[0x0f, 0x01, 0xdf], "invlpga rax, ecx");
-    test_display(&[0x0f, 0x01, 0xfe], "invlpgb rax, edx, ecx");
-    test_display(&[0x0f, 0x01, 0xff], "tlbsync");
-    test_display(&[0x2e, 0x67, 0x65, 0x2e, 0x46, 0x0f, 0x01, 0xff], "tlbsync");
-    test_display(&[0x4f, 0x0f, 0x01, 0xe0], "smsw r8w");
-    test_display(&[0x0f, 0x01, 0xe0], "smsw ax");
-    test_display(&[0x0f, 0x01, 0xe1], "smsw cx");
-    test_display(&[0x0f, 0x01, 0xe2], "smsw dx");
-    test_display(&[0x0f, 0x01, 0xe3], "smsw bx");
-    test_display(&[0x0f, 0x01, 0xe4], "smsw sp");
-    test_display(&[0x0f, 0x01, 0xe5], "smsw bp");
-    test_display(&[0x0f, 0x01, 0xe6], "smsw si");
-    test_display(&[0x0f, 0x01, 0xe7], "smsw di");
-    test_invalid(&[0x0f, 0x01, 0xe8]);
-    test_invalid(&[0x0f, 0x01, 0xe8]);
-    test_invalid(&[0x0f, 0x01, 0xe9]);
-    test_invalid(&[0x0f, 0x01, 0xea]);
-    test_invalid(&[0x0f, 0x01, 0xeb]);
-    test_display(&[0x0f, 0x01, 0xee], "rdpkru");
-    test_display(&[0x0f, 0x01, 0xef], "wrpkru");
-    test_invalid(&[0xf2, 0x0f, 0x01, 0xee]);
-    test_invalid(&[0xf2, 0x0f, 0x01, 0xef]);
-    test_display(&[0x4f, 0x0f, 0x01, 0xf0], "lmsw r8w");
-    test_display(&[0x0f, 0x01, 0xf0], "lmsw ax");
-    test_display(&[0x0f, 0x01, 0xf1], "lmsw cx");
-    test_display(&[0x0f, 0x01, 0xf2], "lmsw dx");
-    test_display(&[0x0f, 0x01, 0xf3], "lmsw bx");
-    test_display(&[0x0f, 0x01, 0xf4], "lmsw sp");
-    test_display(&[0x0f, 0x01, 0xf5], "lmsw bp");
-    test_display(&[0x0f, 0x01, 0xf6], "lmsw si");
-    test_display(&[0x0f, 0x01, 0xf7], "lmsw di");
-    test_display(&[0x0f, 0x01, 0xf8], "swapgs");
-    test_display(&[0x0f, 0x01, 0xf9], "rdtscp");
-    test_display(&[0x0f, 0x01, 0xfa], "monitorx");
-    test_display(&[0x0f, 0x01, 0xfb], "mwaitx");
-    test_display(&[0x0f, 0x01, 0xfc], "clzero");
-    test_display(&[0x0f, 0x01, 0xfd], "rdpru ecx");
+mod _0f01 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        // drawn heavily from "Table A-6.  Opcode Extensions for One- and Two-byte Opcodes by Group
+        // Number"
+        testcase!(invalid: &[0x0f, 0x01, 0x28]),
+        testcase!(invalid: &[0x0f, 0x01, 0x29]),
+        testcase!(invalid: &[0x0f, 0x01, 0x2a]),
+        testcase!(invalid: &[0x0f, 0x01, 0x2b]),
+        testcase!(invalid: &[0x0f, 0x01, 0x2c]),
+        testcase!(invalid: &[0x0f, 0x01, 0x2d]),
+        testcase!(invalid: &[0x0f, 0x01, 0x2e]),
+        testcase!(invalid: &[0x0f, 0x01, 0x2f]),
+        testcase!(&[0x0f, 0x01, 0x38], "invlpg byte [rax]"),
+        testcase!(&[0x0f, 0x01, 0x3f], "invlpg byte [rdi]"),
+        testcase!(&[0x0f, 0x01, 0x40, 0xff], "sgdt mword [rax - 0x1]"),
+        testcase!(&[0x0f, 0x01, 0x41, 0xff], "sgdt mword [rcx - 0x1]"),
+        testcase!(&[0x0f, 0x01, 0x49, 0xff], "sidt mword [rcx - 0x1]"),
+        testcase!(&[0x0f, 0x01, 0x51, 0xff], "lgdt mword [rcx - 0x1]"),
+        testcase!(&[0x0f, 0x01, 0x59, 0xff], "lidt mword [rcx - 0x1]"),
+        testcase!(&[0x0f, 0x01, 0x61, 0xff], "smsw word [rcx - 0x1]"),
+        testcase!(invalid: &[0x0f, 0x01, 0x69, 0xff]),
+        testcase!(&[0x0f, 0x01, 0x71, 0xff], "lmsw word [rcx - 0x1]"),
+        testcase!(&[0x0f, 0x01, 0x79, 0xff], "invlpg byte [rcx - 0x1]"),
+        testcase!(&[0x0f, 0x01, 0xc0], "enclv"),
+        testcase!(&[0x0f, 0x01, 0xc1], "vmcall"),
+        testcase!(&[0x0f, 0x01, 0xc2], "vmlaunch"),
+        testcase!(&[0x0f, 0x01, 0xc3], "vmresume"),
+        testcase!(&[0x0f, 0x01, 0xc4], "vmxoff"),
+        testcase!(&[0x0f, 0x01, 0xc5], "pconfig"),
+        testcase!(invalid: &[0x0f, 0x01, 0xc6]),
+        testcase!(invalid: &[0x0f, 0x01, 0xc7]),
+        testcase!(&[0x0f, 0x01, 0xc8], "monitor"),
+        testcase!(&[0x0f, 0x01, 0xc9], "mwait"),
+        testcase!(&[0x0f, 0x01, 0xca], "clac"),
+        testcase!(&[0x0f, 0x01, 0xcb], "stac"),
+        testcase!(invalid: &[0x0f, 0x01, 0xcc]),
+        testcase!(invalid: &[0x0f, 0x01, 0xcd]),
+        testcase!(invalid: &[0x0f, 0x01, 0xce]),
+        testcase!(&[0x0f, 0x01, 0xcf], "encls"),
+        testcase!(&[0x0f, 0x01, 0xd0], "xgetbv"),
+        testcase!(&[0x0f, 0x01, 0xd1], "xsetbv"),
+        testcase!(invalid: &[0x0f, 0x01, 0xd2]),
+        testcase!(invalid: &[0x0f, 0x01, 0xd3]),
+        testcase!(&[0x0f, 0x01, 0xd4], "vmfunc"),
+        testcase!(&[0x0f, 0x01, 0xd5], "xend"),
+        testcase!(&[0x0f, 0x01, 0xd6], "xtest"),
+        testcase!(&[0x0f, 0x01, 0xd7], "enclu"),
+        testcase!(&[0x0f, 0x01, 0xd8], "vmrun rax"),
+        testcase!(&[0x0f, 0x01, 0xd9], "vmmcall"),
+        testcase!(&[0x0f, 0x01, 0xda], "vmload rax"),
+        testcase!(&[0x0f, 0x01, 0xdb], "vmsave rax"),
+        testcase!(&[0x0f, 0x01, 0xdc], "stgi"),
+        testcase!(&[0x0f, 0x01, 0xdd], "clgi"),
+        testcase!(&[0x0f, 0x01, 0xde], "skinit eax"),
+        testcase!(&[0x0f, 0x01, 0xdf], "invlpga rax, ecx"),
+        testcase!(&[0x0f, 0x01, 0xfe], "invlpgb rax, edx, ecx"),
+        testcase!(&[0x0f, 0x01, 0xff], "tlbsync"),
+        testcase!(&[0x2e, 0x67, 0x65, 0x2e, 0x46, 0x0f, 0x01, 0xff], "tlbsync"),
+        testcase!(&[0x4f, 0x0f, 0x01, 0xe0], "smsw r8w"),
+        testcase!(&[0x0f, 0x01, 0xe0], "smsw ax"),
+        testcase!(&[0x0f, 0x01, 0xe1], "smsw cx"),
+        testcase!(&[0x0f, 0x01, 0xe2], "smsw dx"),
+        testcase!(&[0x0f, 0x01, 0xe3], "smsw bx"),
+        testcase!(&[0x0f, 0x01, 0xe4], "smsw sp"),
+        testcase!(&[0x0f, 0x01, 0xe5], "smsw bp"),
+        testcase!(&[0x0f, 0x01, 0xe6], "smsw si"),
+        testcase!(&[0x0f, 0x01, 0xe7], "smsw di"),
+        testcase!(invalid: &[0x0f, 0x01, 0xe8]),
+        testcase!(invalid: &[0x0f, 0x01, 0xe8]),
+        testcase!(invalid: &[0x0f, 0x01, 0xe9]),
+        testcase!(invalid: &[0x0f, 0x01, 0xea]),
+        testcase!(invalid: &[0x0f, 0x01, 0xeb]),
+        testcase!(&[0x0f, 0x01, 0xee], "rdpkru"),
+        testcase!(&[0x0f, 0x01, 0xef], "wrpkru"),
+        testcase!(invalid: &[0xf2, 0x0f, 0x01, 0xee]),
+        testcase!(invalid: &[0xf2, 0x0f, 0x01, 0xef]),
+        testcase!(&[0x4f, 0x0f, 0x01, 0xf0], "lmsw r8w"),
+        testcase!(&[0x0f, 0x01, 0xf0], "lmsw ax"),
+        testcase!(&[0x0f, 0x01, 0xf1], "lmsw cx"),
+        testcase!(&[0x0f, 0x01, 0xf2], "lmsw dx"),
+        testcase!(&[0x0f, 0x01, 0xf3], "lmsw bx"),
+        testcase!(&[0x0f, 0x01, 0xf4], "lmsw sp"),
+        testcase!(&[0x0f, 0x01, 0xf5], "lmsw bp"),
+        testcase!(&[0x0f, 0x01, 0xf6], "lmsw si"),
+        testcase!(&[0x0f, 0x01, 0xf7], "lmsw di"),
+        testcase!(&[0x0f, 0x01, 0xf8], "swapgs"),
+        testcase!(&[0x0f, 0x01, 0xf9], "rdtscp"),
+        testcase!(&[0x0f, 0x01, 0xfa], "monitorx"),
+        testcase!(&[0x0f, 0x01, 0xfb], "mwaitx"),
+        testcase!(&[0x0f, 0x01, 0xfc], "clzero"),
+        testcase!(&[0x0f, 0x01, 0xfd], "rdpru ecx"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_0fae() {
-    let intel = InstDecoder::minimal().with_intel_quirks();
-    let amd = InstDecoder::minimal().with_amd_quirks();
-    let default = InstDecoder::default();
-    let minimal = InstDecoder::minimal();
-    // drawn heavily from "Table A-6.  Opcode Extensions for One- and Two-byte Opcodes by Group
-    // Number"
-    test_invalid(&[0xf3, 0x0f, 0xae, 0x87]);
-    test_invalid(&[0xf3, 0x0f, 0xae, 0x04, 0x4f]);
-    test_display(&[0x0f, 0xae, 0x04, 0x4f], "fxsave ptr [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xae, 0x04, 0x4f], "fxsave ptr [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xae, 0x0c, 0x4f], "fxrstor ptr [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xae, 0x14, 0x4f], "ldmxcsr dword [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xae, 0x1c, 0x4f], "stmxcsr dword [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xae, 0x24, 0x4f], "xsave ptr [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xc7, 0x5c, 0x24, 0x40], "xrstors ptr [rsp + 0x40]");
-    test_display(&[0x0f, 0xc7, 0x64, 0x24, 0x40], "xsavec ptr [rsp + 0x40]");
-    test_display(&[0x0f, 0xc7, 0x6c, 0x24, 0x40], "xsaves ptr [rsp + 0x40]");
-    test_display(&[0x4f, 0x0f, 0xc7, 0x5c, 0x24, 0x40], "xrstors64 ptr [r12 + r12 * 1 + 0x40]");
-    test_display(&[0x4f, 0x0f, 0xc7, 0x64, 0x24, 0x40], "xsavec64 ptr [r12 + r12 * 1 + 0x40]");
-    test_display(&[0x4f, 0x0f, 0xc7, 0x6c, 0x24, 0x40], "xsaves64 ptr [r12 + r12 * 1 + 0x40]");
-    test_display(&[0x0f, 0xc7, 0x74, 0x24, 0x40], "vmptrld qword [rsp + 0x40]");
-    test_display(&[0x0f, 0xc7, 0x7c, 0x24, 0x40], "vmptrst qword [rsp + 0x40]");
-    test_display(&[0x0f, 0xae, 0x2c, 0x4f], "xrstor ptr [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xae, 0x34, 0x4f], "xsaveopt ptr [rdi + rcx * 2]");
-    test_display(&[0x0f, 0xae, 0x3c, 0x4f], "clflush zmmword [rdi + rcx * 2]");
-
-    for (modrm, text) in &[(0xe8u8, "lfence"), (0xf0u8, "mfence"), (0xf8u8, "sfence")] {
-        test_display_under(&intel, &[0x0f, 0xae, *modrm], text);
-        test_display_under(&amd, &[0x0f, 0xae, *modrm], text);
-        test_display_under(&default, &[0x0f, 0xae, *modrm], text);
-        test_display_under(&minimal, &[0x0f, 0xae, *modrm], text);
+mod _0fae {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &[TestCase] = &[
+        // drawn heavily from "Table A-6.  Opcode Extensions for One- and Two-byte Opcodes by Group
+        // Number"
+        testcase!(invalid: &[0xf3, 0x0f, 0xae, 0x87]),
+        testcase!(invalid: &[0xf3, 0x0f, 0xae, 0x04, 0x4f]),
+        testcase!(&[0x0f, 0xae, 0x04, 0x4f], "fxsave ptr [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xae, 0x04, 0x4f], "fxsave ptr [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xae, 0x0c, 0x4f], "fxrstor ptr [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xae, 0x14, 0x4f], "ldmxcsr dword [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xae, 0x1c, 0x4f], "stmxcsr dword [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xae, 0x24, 0x4f], "xsave ptr [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xc7, 0x5c, 0x24, 0x40], "xrstors ptr [rsp + 0x40]"),
+        testcase!(&[0x0f, 0xc7, 0x64, 0x24, 0x40], "xsavec ptr [rsp + 0x40]"),
+        testcase!(&[0x0f, 0xc7, 0x6c, 0x24, 0x40], "xsaves ptr [rsp + 0x40]"),
+        testcase!(&[0x4f, 0x0f, 0xc7, 0x5c, 0x24, 0x40], "xrstors64 ptr [r12 + r12 * 1 + 0x40]"),
+        testcase!(&[0x4f, 0x0f, 0xc7, 0x64, 0x24, 0x40], "xsavec64 ptr [r12 + r12 * 1 + 0x40]"),
+        testcase!(&[0x4f, 0x0f, 0xc7, 0x6c, 0x24, 0x40], "xsaves64 ptr [r12 + r12 * 1 + 0x40]"),
+        testcase!(&[0x0f, 0xc7, 0x74, 0x24, 0x40], "vmptrld qword [rsp + 0x40]"),
+        testcase!(&[0x0f, 0xc7, 0x7c, 0x24, 0x40], "vmptrst qword [rsp + 0x40]"),
+        testcase!(&[0x0f, 0xae, 0x2c, 0x4f], "xrstor ptr [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xae, 0x34, 0x4f], "xsaveopt ptr [rdi + rcx * 2]"),
+        testcase!(&[0x0f, 0xae, 0x3c, 0x4f], "clflush zmmword [rdi + rcx * 2]"),
+
+        testcase!(features nodefault { Intel: true, Amd: true, Minimal: true, Default: true } &[0x0f, 0xae, 0xe8], "lfence"),
         // it turns out intel and amd accept m != 0 for {l,m,s}fence:
         // from intel:
         // ```
@@ -1078,2569 +1383,2953 @@ fn test_0fae() {
         // ```
         // whereas amd does not discuss the r/m field at all. at least as of zen, amd also accepts
         // these encodings.
-        for m in 1u8..8u8 {
-            test_display_under(&intel, &[0x0f, 0xae, modrm | m], text);
-            test_display_under(&amd, &[0x0f, 0xae, modrm | m], text);
-            test_display_under(&default, &[0x0f, 0xae, modrm | m], text);
-            test_invalid_under(&minimal, &[0x0f, 0xae, modrm | m]);
-        }
+        //
+        // similar for mfence and sfence, below.
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xe8 | 1], "lfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xe8 | 2], "lfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xe8 | 3], "lfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xe8 | 4], "lfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xe8 | 5], "lfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xe8 | 6], "lfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xe8 | 7], "lfence"),
+
+        testcase!(features nodefault { Intel: true, Amd: true, Minimal: true, Default: true } &[0x0f, 0xae, 0xf0], "mfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf0 | 1], "mfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf0 | 2], "mfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf0 | 3], "mfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf0 | 4], "mfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf0 | 5], "mfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf0 | 6], "mfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf0 | 7], "mfence"),
+
+        testcase!(features nodefault { Intel: true, Amd: true, Minimal: true, Default: true } &[0x0f, 0xae, 0xf8], "sfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf8 | 1], "sfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf8 | 2], "sfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf8 | 3], "sfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf8 | 4], "sfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf8 | 5], "sfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf8 | 6], "sfence"),
+        testcase!(features { Intel: true, Amd: true } &[0x0f, 0xae, 0xf8 | 7], "sfence"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
     }
 }
 
-#[test]
-fn test_system() {
-    test_display(&[0x66, 0x4f, 0x0f, 0xb2, 0x00], "lss r8, mword [r8]");
-    test_display(&[0x67, 0x4f, 0x0f, 0xb2, 0x00], "lss r8, mword [r8d]");
-    test_display(&[0x4f, 0x0f, 0xb2, 0x00], "lss r8, mword [r8]");
-    test_display(&[0x0f, 0xb2, 0x00], "lss rax, dword [rax]");
-    test_invalid(&[0x45, 0x0f, 0x22, 0xc8]);
-    test_invalid(&[0x45, 0x0f, 0x20, 0xc8]);
-    test_display(&[0x40, 0x0f, 0x22, 0xd0], "mov cr2, rax");
-    test_display(&[0x0f, 0x22, 0xd0], "mov cr2, rax");
-    test_invalid(&[0x44, 0x0f, 0x22, 0xcf]);
-    test_display(&[0x0f, 0x22, 0xd7], "mov cr2, rdi");
-    test_display(&[0x0f, 0x20, 0xd0], "mov rax, cr2");
-
-    test_invalid(&[0x45, 0x0f, 0x23, 0xc8]);
-    test_invalid(&[0x45, 0x0f, 0x21, 0xc8]);
-    test_display(&[0x40, 0x0f, 0x23, 0xc8], "mov dr1, rax");
-    test_display(&[0x0f, 0x23, 0xc8], "mov dr1, rax");
-    test_display(&[0x0f, 0x21, 0xc8], "mov rax, dr1");
-    test_display(&[0x0f, 0x06], "clts");
+mod system {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x66, 0x4f, 0x0f, 0xb2, 0x00], "lss r8, mword [r8]"),
+        testcase!(&[0x67, 0x4f, 0x0f, 0xb2, 0x00], "lss r8, mword [r8d]"),
+        testcase!(&[0x4f, 0x0f, 0xb2, 0x00], "lss r8, mword [r8]"),
+        testcase!(&[0x0f, 0xb2, 0x00], "lss rax, dword [rax]"),
+        testcase!(invalid: &[0x45, 0x0f, 0x22, 0xc8]),
+        testcase!(invalid: &[0x45, 0x0f, 0x20, 0xc8]),
+        testcase!(&[0x40, 0x0f, 0x22, 0xd0], "mov cr2, rax"),
+        testcase!(&[0x0f, 0x22, 0xd0], "mov cr2, rax"),
+        testcase!(invalid: &[0x44, 0x0f, 0x22, 0xcf]),
+        testcase!(&[0x0f, 0x22, 0xd7], "mov cr2, rdi"),
+        testcase!(&[0x0f, 0x20, 0xd0], "mov rax, cr2"),
+
+        testcase!(invalid: &[0x45, 0x0f, 0x23, 0xc8]),
+        testcase!(invalid: &[0x45, 0x0f, 0x21, 0xc8]),
+        testcase!(&[0x40, 0x0f, 0x23, 0xc8], "mov dr1, rax"),
+        testcase!(&[0x0f, 0x23, 0xc8], "mov dr1, rax"),
+        testcase!(&[0x0f, 0x21, 0xc8], "mov rax, dr1"),
+        testcase!(&[0x0f, 0x06], "clts"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_arithmetic() {
-    test_display(&[0x81, 0xec, 0x10, 0x03, 0x00, 0x00], "sub esp, 0x310");
-    test_display(&[0x0f, 0xaf, 0xc2], "imul eax, edx");
-    test_display(&[0x4b, 0x69, 0x43, 0x6f, 0x6d, 0x70, 0x6c, 0x65], "imul rax, qword [r11 + 0x6f], 0x656c706d");
-    test_display(&[0x66, 0x0f, 0xaf, 0xd1], "imul dx, cx");
-    test_display(&[0xf6, 0xe8], "imul al");
-    test_display(&[0xf6, 0x28], "imul byte [rax]");
-    test_display(&[0x4b, 0x6b, 0x43, 0x6f, 0x6d], "imul rax, qword [r11 + 0x6f], 0x6d");
-    test_display(&[0x4f, 0x4e, 0x00, 0xcc], "add spl, r9b");
+mod arithmetic {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x81, 0xec, 0x10, 0x03, 0x00, 0x00], "sub esp, 0x310"),
+        testcase!(&[0x0f, 0xaf, 0xc2], "imul eax, edx"),
+        testcase!(&[0x4b, 0x69, 0x43, 0x6f, 0x6d, 0x70, 0x6c, 0x65], "imul rax, qword [r11 + 0x6f], 0x656c706d"),
+        testcase!(&[0x66, 0x0f, 0xaf, 0xd1], "imul dx, cx"),
+        testcase!(&[0xf6, 0xe8], "imul al"),
+        testcase!(&[0xf6, 0x28], "imul byte [rax]"),
+        testcase!(&[0x4b, 0x6b, 0x43, 0x6f, 0x6d], "imul rax, qword [r11 + 0x6f], 0x6d"),
+        testcase!(&[0x4f, 0x4e, 0x00, 0xcc], "add spl, r9b"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
 #[allow(non_snake_case)]
-fn test_E_decode() {
-    test_display(&[0xff, 0x75, 0xb8], "push qword [rbp - 0x48]");
-    test_display(&[0xff, 0x75, 0x08], "push qword [rbp + 0x8]");
+mod E_decode {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xff, 0x75, 0xb8], "push qword [rbp - 0x48]"),
+        testcase!(&[0xff, 0x75, 0x08], "push qword [rbp + 0x8]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_sse() {
-    test_display(&[0xf3, 0x0f, 0x10, 0x0c, 0xc7], "movss xmm1, dword [rdi + rax * 8]");
-    test_display(&[0xf3, 0x0f, 0x11, 0x0c, 0xc7], "movss dword [rdi + rax * 8], xmm1");
-    test_display(&[0x4f, 0x0f, 0x28, 0x00], "movaps xmm8, xmmword [r8]");
-    test_display(&[0x4f, 0x0f, 0x29, 0x00], "movaps xmmword [r8], xmm8");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2a, 0xc1], "cvtsi2ss xmm8, r9");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2a, 0x01], "cvtsi2ss xmm8, qword [r9]");
-    test_display(&[0x4f, 0x0f, 0x2b, 0x00], "movntps xmmword [r8], xmm8");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2c, 0xc1], "cvttss2si r8, xmm9");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2c, 0x01], "cvttss2si r8, dword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2d, 0xc1], "cvtss2si r8, xmm9");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x2d, 0x01], "cvtss2si r8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x2e, 0x00], "ucomiss xmm8, dword [r8]");
-    test_display(&[0x4f, 0x0f, 0x2f, 0x00], "comiss xmm8, dword [r8]");
-    test_display(&[0x0f, 0x28, 0xd0], "movaps xmm2, xmm0");
-    test_display(&[0x66, 0x0f, 0x28, 0xd0], "movapd xmm2, xmm0");
-    test_display(&[0x66, 0x0f, 0x28, 0x00], "movapd xmm0, xmmword [rax]");
-    test_display(&[0x4f, 0x66, 0x0f, 0x28, 0x00], "movapd xmm0, xmmword [rax]");
-    test_display(&[0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8]");
-    test_display(&[0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8]");
-    test_display(&[0x67, 0x4f, 0x66, 0x0f, 0x28, 0x00], "movapd xmm0, xmmword [eax]");
-    test_display(&[0x67, 0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8d]");
-    test_display(&[0x66, 0x0f, 0x29, 0x00], "movapd xmmword [rax], xmm0");
-    test_invalid(&[0x4f, 0x0f, 0x50, 0x00]);
-    test_display(&[0x4f, 0x0f, 0x50, 0xc1], "movmskps r8d, xmm9");
-    test_display(&[0x4f, 0x0f, 0x51, 0x01], "sqrtps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x51, 0x01], "sqrtss xmm8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x52, 0x01], "rsqrtps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x52, 0x01], "rsqrtss xmm8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x53, 0x01], "rcpps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x53, 0x01], "rcpss xmm8, dword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x53, 0xc1], "rcpss xmm8, xmm9");
-    test_display(&[0x4f, 0x0f, 0x54, 0x01], "andps xmm8, xmmword [r9]");
-    test_display(&[0x4f, 0x0f, 0x55, 0x01], "andnps xmm8, xmmword [r9]");
-    test_display(&[0x4f, 0x0f, 0x56, 0x01], "orps xmm8, xmmword [r9]");
-    test_display(&[0x4f, 0x0f, 0x57, 0x01], "xorps xmm8, xmmword [r9]");
-    test_display(&[0x4f, 0x0f, 0x58, 0x01], "addps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x58, 0x01], "addss xmm8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x59, 0x01], "mulps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x59, 0x01], "mulss xmm8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x5a, 0x01], "cvtps2pd xmm8, qword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x5a, 0x01], "cvtss2sd xmm8, qword [r9]");
-    test_display(&[0x4f, 0x0f, 0x5b, 0x01], "cvtdq2ps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x5b, 0x01], "cvttps2dq xmm8, xmmword [r9]");
-    test_display(&[0x67, 0x4f, 0x0f, 0x5b, 0x01], "cvtdq2ps xmm8, xmmword [r9d]");
-    test_display(&[0x4f, 0x0f, 0x5c, 0x01], "subps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x5c, 0x01], "subss xmm8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x5d, 0x01], "minps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x5d, 0x01], "minss xmm8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x5e, 0x01], "divps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x5e, 0x01], "divss xmm8, dword [r9]");
-    test_display(&[0x4f, 0x0f, 0x5f, 0x01], "maxps xmm8, xmmword [r9]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x5f, 0x01], "maxss xmm8, dword [r9]");
-
-    test_display(&[0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [rax], 0x7f");
-    test_display(&[0x4f, 0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [r8], 0x7f");
-
-    test_display(&[0x66, 0x0f, 0xef, 0xc0], "pxor xmm0, xmm0");
-    test_display(&[0x66, 0x4f, 0x0f, 0xef, 0xc0], "pxor xmm8, xmm8");
-    test_display(&[0xf2, 0x0f, 0x10, 0x0c, 0xc6], "movsd xmm1, qword [rsi + rax * 8]");
-    test_display(&[0xf3, 0x0f, 0x10, 0x04, 0x86], "movss xmm0, dword [rsi + rax * 4]");
-    test_display(&[0xf2, 0x0f, 0x59, 0xc8], "mulsd xmm1, xmm0");
-    test_display(&[0xf3, 0x0f, 0x59, 0xc8], "mulss xmm1, xmm0");
-    test_display(&[0xf2, 0x4f, 0x0f, 0x59, 0xc8], "mulsd xmm9, xmm8");
-
-    test_display(
-        &[0xf3, 0x4f, 0x0f, 0x6f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "movdqu xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
-    );
-    test_display(&[0xf3, 0x0f, 0x70, 0xc0, 0x4e], "pshufhw xmm0, xmm0, 0x4e");
-    test_display(&[0xf3, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm1");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x7e, 0xc1], "movd r9, mm0"); // use of rex.w demotes to movd r/mm
-    test_display(&[0xf3, 0x40, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm1");
-    test_display(&[0xf3, 0x41, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm9");
-    test_display(&[0xf3, 0x42, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm1");
-    test_display(&[0xf3, 0x44, 0x0f, 0x7e, 0xc1], "movq xmm8, xmm1");
-    test_display(&[0xf3, 0x48, 0x0f, 0x7e, 0xc1], "movd rcx, mm0");
-    test_display(
-        &[0xf3, 0x4f, 0x0f, 0x7f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
-        "movdqu xmmword [r12 + r11 * 4 - 0x334455cc], xmm11"
-    );
-
-    test_display(&[0xf3, 0x0f, 0xc2, 0xc3, 0x08], "cmpss xmm0, xmm3, 0x8");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xc2, 0xc3, 0x08], "cmpss xmm8, xmm11, 0x8");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xc2, 0x03, 0x08], "cmpss xmm8, dword [r11], 0x8");
+mod sse {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x0f, 0x10, 0x0c, 0xc7], "movss xmm1, dword [rdi + rax * 8]"),
+        testcase!(&[0xf3, 0x0f, 0x11, 0x0c, 0xc7], "movss dword [rdi + rax * 8], xmm1"),
+        testcase!(&[0x4f, 0x0f, 0x28, 0x00], "movaps xmm8, xmmword [r8]"),
+        testcase!(&[0x4f, 0x0f, 0x29, 0x00], "movaps xmmword [r8], xmm8"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2a, 0xc1], "cvtsi2ss xmm8, r9"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2a, 0x01], "cvtsi2ss xmm8, qword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x2b, 0x00], "movntps xmmword [r8], xmm8"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2c, 0xc1], "cvttss2si r8, xmm9"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2c, 0x01], "cvttss2si r8, dword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2d, 0xc1], "cvtss2si r8, xmm9"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x2d, 0x01], "cvtss2si r8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x2e, 0x00], "ucomiss xmm8, dword [r8]"),
+        testcase!(&[0x4f, 0x0f, 0x2f, 0x00], "comiss xmm8, dword [r8]"),
+        testcase!(&[0x0f, 0x28, 0xd0], "movaps xmm2, xmm0"),
+        testcase!(&[0x66, 0x0f, 0x28, 0xd0], "movapd xmm2, xmm0"),
+        testcase!(&[0x66, 0x0f, 0x28, 0x00], "movapd xmm0, xmmword [rax]"),
+        testcase!(&[0x4f, 0x66, 0x0f, 0x28, 0x00], "movapd xmm0, xmmword [rax]"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8]"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8]"),
+        testcase!(&[0x67, 0x4f, 0x66, 0x0f, 0x28, 0x00], "movapd xmm0, xmmword [eax]"),
+        testcase!(&[0x67, 0x66, 0x4f, 0x0f, 0x28, 0x00], "movapd xmm8, xmmword [r8d]"),
+        testcase!(&[0x66, 0x0f, 0x29, 0x00], "movapd xmmword [rax], xmm0"),
+        testcase!(invalid: &[0x4f, 0x0f, 0x50, 0x00]),
+        testcase!(&[0x4f, 0x0f, 0x50, 0xc1], "movmskps r8d, xmm9"),
+        testcase!(&[0x4f, 0x0f, 0x51, 0x01], "sqrtps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x51, 0x01], "sqrtss xmm8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x52, 0x01], "rsqrtps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x52, 0x01], "rsqrtss xmm8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x53, 0x01], "rcpps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x53, 0x01], "rcpss xmm8, dword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x53, 0xc1], "rcpss xmm8, xmm9"),
+        testcase!(&[0x4f, 0x0f, 0x54, 0x01], "andps xmm8, xmmword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x55, 0x01], "andnps xmm8, xmmword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x56, 0x01], "orps xmm8, xmmword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x57, 0x01], "xorps xmm8, xmmword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x58, 0x01], "addps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x58, 0x01], "addss xmm8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x59, 0x01], "mulps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x59, 0x01], "mulss xmm8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x5a, 0x01], "cvtps2pd xmm8, qword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x5a, 0x01], "cvtss2sd xmm8, qword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x5b, 0x01], "cvtdq2ps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x5b, 0x01], "cvttps2dq xmm8, xmmword [r9]"),
+        testcase!(&[0x67, 0x4f, 0x0f, 0x5b, 0x01], "cvtdq2ps xmm8, xmmword [r9d]"),
+        testcase!(&[0x4f, 0x0f, 0x5c, 0x01], "subps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x5c, 0x01], "subss xmm8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x5d, 0x01], "minps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x5d, 0x01], "minss xmm8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x5e, 0x01], "divps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x5e, 0x01], "divss xmm8, dword [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x5f, 0x01], "maxps xmm8, xmmword [r9]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x5f, 0x01], "maxss xmm8, dword [r9]"),
+
+        testcase!(&[0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [rax], 0x7f"),
+        testcase!(&[0x4f, 0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [r8], 0x7f"),
+
+        testcase!(&[0x66, 0x0f, 0xef, 0xc0], "pxor xmm0, xmm0"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0xef, 0xc0], "pxor xmm8, xmm8"),
+        testcase!(&[0xf2, 0x0f, 0x10, 0x0c, 0xc6], "movsd xmm1, qword [rsi + rax * 8]"),
+        testcase!(&[0xf3, 0x0f, 0x10, 0x04, 0x86], "movss xmm0, dword [rsi + rax * 4]"),
+        testcase!(&[0xf2, 0x0f, 0x59, 0xc8], "mulsd xmm1, xmm0"),
+        testcase!(&[0xf3, 0x0f, 0x59, 0xc8], "mulss xmm1, xmm0"),
+        testcase!(&[0xf2, 0x4f, 0x0f, 0x59, 0xc8], "mulsd xmm9, xmm8"),
+
+        testcase!(
+            &[0xf3, 0x4f, 0x0f, 0x6f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "movdqu xmm11, xmmword [r12 + r11 * 4 - 0x334455cc]"
+        ),
+        testcase!(&[0xf3, 0x0f, 0x70, 0xc0, 0x4e], "pshufhw xmm0, xmm0, 0x4e"),
+        testcase!(&[0xf3, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm1"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x7e, 0xc1], "movd r9, mm0"), // use of rex.w demotes to movd r/mm
+        testcase!(&[0xf3, 0x40, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm1"),
+        testcase!(&[0xf3, 0x41, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm9"),
+        testcase!(&[0xf3, 0x42, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm1"),
+        testcase!(&[0xf3, 0x44, 0x0f, 0x7e, 0xc1], "movq xmm8, xmm1"),
+        testcase!(&[0xf3, 0x48, 0x0f, 0x7e, 0xc1], "movd rcx, mm0"),
+        testcase!(
+            &[0xf3, 0x4f, 0x0f, 0x7f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc],
+            "movdqu xmmword [r12 + r11 * 4 - 0x334455cc], xmm11"
+        ),
+
+        testcase!(&[0xf3, 0x0f, 0xc2, 0xc3, 0x08], "cmpss xmm0, xmm3, 0x8"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xc2, 0xc3, 0x08], "cmpss xmm8, xmm11, 0x8"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xc2, 0x03, 0x08], "cmpss xmm8, dword [r11], 0x8"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
 // SETLE, SETNG, ...
 
-#[test]
-fn test_mov() {
-    test_display(&[0xa0, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov al, byte [0x3412341200c46293]");
-    test_display(&[0x67, 0xa0, 0x93, 0x62, 0xc4, 0x00], "mov al, byte [0xc46293]");
-    test_display(&[0xa1, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov eax, dword [0x3412341200c46293]");
-    test_display(&[0x67, 0xa1, 0x93, 0x62, 0xc4, 0x00], "mov eax, dword [0xc46293]");
-    test_display(&[0xa2, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov byte [0x3412341200c46293], al");
-    test_display(&[0x67, 0xa2, 0x93, 0x62, 0xc4, 0x00], "mov byte [0xc46293], al");
-    test_display(&[0xa3, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov dword [0x3412341200c46293], eax");
-    test_display(&[0x67, 0xa3, 0x93, 0x62, 0xc4, 0x00], "mov dword [0xc46293], eax");
-    test_display(&[0xba, 0x01, 0x00, 0x00, 0x00], "mov edx, 0x1");
-    test_display(&[0x48, 0xc7, 0x04, 0x24, 0x00, 0x00, 0x00, 0x00], "mov qword [rsp], 0x0");
-    test_display(&[0x48, 0x89, 0x44, 0x24, 0x08], "mov qword [rsp + 0x8], rax");
-    test_display(&[0x48, 0x89, 0x43, 0x18], "mov qword [rbx + 0x18], rax");
-    test_display(&[0x48, 0xc7, 0x43, 0x10, 0x00, 0x00, 0x00, 0x00], "mov qword [rbx + 0x10], 0x0");
-    test_display(&[0x49, 0x89, 0x4e, 0x08], "mov qword [r14 + 0x8], rcx");
-    test_display(&[0x48, 0x8b, 0x32], "mov rsi, qword [rdx]");
-    test_display(&[0x4d, 0x8b, 0x4c, 0x10, 0xf8], "mov r9, qword [r8 + rdx * 1 - 0x8]");
-    test_display(&[0x49, 0x89, 0x46, 0x10], "mov qword [r14 + 0x10], rax");
-    test_display(&[0x4d, 0x0f, 0x43, 0xec], "cmovnb r13, r12");
-    test_display(&[0x0f, 0xb6, 0x06], "movzx eax, byte [rsi]");
-    test_display(&[0x0f, 0xb7, 0x06], "movzx eax, word [rsi]");
-    test_display(&[0x89, 0x55, 0x94], "mov dword [rbp - 0x6c], edx");
-    test_display(&[0x65, 0x4c, 0x89, 0x04, 0x25, 0xa8, 0x01, 0x00, 0x00], "mov qword gs:[0x1a8], r8");
-    test_display(&[0x0f, 0xbe, 0x83, 0xb4, 0x00, 0x00, 0x00], "movsx eax, byte [rbx + 0xb4]");
-    test_display(&[0x46, 0x63, 0xc1], "movsxd r8, ecx");
-    test_display(&[0x48, 0x63, 0x04, 0xba], "movsxd rax, dword [rdx + rdi * 4]");
-    test_display(&[0xf3, 0x0f, 0x6f, 0x07], "movdqu xmm0, xmmword [rdi]");
-    test_display(&[0xf3, 0x0f, 0x7f, 0x45, 0x00], "movdqu xmmword [rbp], xmm0");
-
-    test_display(&[0x0f, 0x97, 0xc0], "seta al");
-    test_display(&[0x0f, 0x97, 0xc8], "seta al");
-    test_display(&[0x0f, 0x97, 0x00], "seta byte [rax]");
-    test_display(&[0x0f, 0x97, 0x08], "seta byte [rax]");
-//    test_display(&[0xd6], "salc");
-    test_display(&[0x8e, 0x00], "mov es, word [rax]");
-    test_display(&[0x8e, 0xc0], "mov es, ax");
-    test_display(&[0x8c, 0xc0], "mov eax, es");
-    // cs is not an allowed destination
-    test_invalid(&[0x8e, 0x08]);
-    test_display(&[0x8e, 0x10], "mov ss, word [rax]");
-    test_display(&[0x8e, 0xd0], "mov ss, ax");
-    test_display(&[0x8c, 0xd0], "mov eax, ss");
-    test_display(&[0x8e, 0x18], "mov ds, word [rax]");
-    test_display(&[0x8e, 0xd8], "mov ds, ax");
-    test_display(&[0x8c, 0xd8], "mov eax, ds");
-    test_display(&[0x8e, 0x20], "mov fs, word [rax]");
-    test_display(&[0x8e, 0xe0], "mov fs, ax");
-    test_display(&[0x8c, 0xe0], "mov eax, fs");
-    test_display(&[0x8e, 0x28], "mov gs, word [rax]");
-    test_display(&[0x8e, 0xe8], "mov gs, ax");
-    test_display(&[0x8c, 0xe8], "mov eax, gs");
-    test_invalid(&[0x8e, 0x30]);
-    test_invalid(&[0x8e, 0x38]);
+mod mov {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xa0, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov al, byte [0x3412341200c46293]"),
+        testcase!(&[0x67, 0xa0, 0x93, 0x62, 0xc4, 0x00], "mov al, byte [0xc46293]"),
+        testcase!(&[0xa1, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov eax, dword [0x3412341200c46293]"),
+        testcase!(&[0x67, 0xa1, 0x93, 0x62, 0xc4, 0x00], "mov eax, dword [0xc46293]"),
+        testcase!(&[0xa2, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov byte [0x3412341200c46293], al"),
+        testcase!(&[0x67, 0xa2, 0x93, 0x62, 0xc4, 0x00], "mov byte [0xc46293], al"),
+        testcase!(&[0xa3, 0x93, 0x62, 0xc4, 0x00, 0x12, 0x34, 0x12, 0x34], "mov dword [0x3412341200c46293], eax"),
+        testcase!(&[0x67, 0xa3, 0x93, 0x62, 0xc4, 0x00], "mov dword [0xc46293], eax"),
+        testcase!(&[0xba, 0x01, 0x00, 0x00, 0x00], "mov edx, 0x1"),
+        testcase!(&[0x48, 0xc7, 0x04, 0x24, 0x00, 0x00, 0x00, 0x00], "mov qword [rsp], 0x0"),
+        testcase!(&[0x48, 0x89, 0x44, 0x24, 0x08], "mov qword [rsp + 0x8], rax"),
+        testcase!(&[0x48, 0x89, 0x43, 0x18], "mov qword [rbx + 0x18], rax"),
+        testcase!(&[0x48, 0xc7, 0x43, 0x10, 0x00, 0x00, 0x00, 0x00], "mov qword [rbx + 0x10], 0x0"),
+        testcase!(&[0x49, 0x89, 0x4e, 0x08], "mov qword [r14 + 0x8], rcx"),
+        testcase!(&[0x48, 0x8b, 0x32], "mov rsi, qword [rdx]"),
+        testcase!(&[0x4d, 0x8b, 0x4c, 0x10, 0xf8], "mov r9, qword [r8 + rdx * 1 - 0x8]"),
+        testcase!(&[0x49, 0x89, 0x46, 0x10], "mov qword [r14 + 0x10], rax"),
+        testcase!(&[0x4d, 0x0f, 0x43, 0xec], "cmovnb r13, r12"),
+        testcase!(&[0x0f, 0xb6, 0x06], "movzx eax, byte [rsi]"),
+        testcase!(&[0x0f, 0xb7, 0x06], "movzx eax, word [rsi]"),
+        testcase!(&[0x89, 0x55, 0x94], "mov dword [rbp - 0x6c], edx"),
+        testcase!(&[0x65, 0x4c, 0x89, 0x04, 0x25, 0xa8, 0x01, 0x00, 0x00], "mov qword gs:[0x1a8], r8"),
+        testcase!(&[0x0f, 0xbe, 0x83, 0xb4, 0x00, 0x00, 0x00], "movsx eax, byte [rbx + 0xb4]"),
+        testcase!(&[0x46, 0x63, 0xc1], "movsxd r8, ecx"),
+        testcase!(&[0x48, 0x63, 0x04, 0xba], "movsxd rax, dword [rdx + rdi * 4]"),
+        testcase!(&[0xf3, 0x0f, 0x6f, 0x07], "movdqu xmm0, xmmword [rdi]"),
+        testcase!(&[0xf3, 0x0f, 0x7f, 0x45, 0x00], "movdqu xmmword [rbp], xmm0"),
+
+        testcase!(&[0x0f, 0x97, 0xc0], "seta al"),
+        testcase!(&[0x0f, 0x97, 0xc8], "seta al"),
+        testcase!(&[0x0f, 0x97, 0x00], "seta byte [rax]"),
+        testcase!(&[0x0f, 0x97, 0x08], "seta byte [rax]"),
+    //    testcase!(&[0xd6], "salc"),
+        testcase!(&[0x8e, 0x00], "mov es, word [rax]"),
+        testcase!(&[0x8e, 0xc0], "mov es, ax"),
+        testcase!(&[0x8c, 0xc0], "mov eax, es"),
+        // cs is not an allowed destination
+        testcase!(invalid: &[0x8e, 0x08]),
+        testcase!(&[0x8e, 0x10], "mov ss, word [rax]"),
+        testcase!(&[0x8e, 0xd0], "mov ss, ax"),
+        testcase!(&[0x8c, 0xd0], "mov eax, ss"),
+        testcase!(&[0x8e, 0x18], "mov ds, word [rax]"),
+        testcase!(&[0x8e, 0xd8], "mov ds, ax"),
+        testcase!(&[0x8c, 0xd8], "mov eax, ds"),
+        testcase!(&[0x8e, 0x20], "mov fs, word [rax]"),
+        testcase!(&[0x8e, 0xe0], "mov fs, ax"),
+        testcase!(&[0x8c, 0xe0], "mov eax, fs"),
+        testcase!(&[0x8e, 0x28], "mov gs, word [rax]"),
+        testcase!(&[0x8e, 0xe8], "mov gs, ax"),
+        testcase!(&[0x8c, 0xe8], "mov eax, gs"),
+        testcase!(invalid: &[0x8e, 0x30]),
+        testcase!(invalid: &[0x8e, 0x38]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_xchg() {
-    test_display(&[0x90], "nop");
-    test_display(&[0x91], "xchg eax, ecx");
-    test_display(&[0x4f, 0x91], "xchg rax, r9");
-    test_display(&[0x66, 0x91], "xchg ax, cx");
-    test_display(&[0x4f, 0x90], "xchg rax, r8");
-    test_display(&[0x41, 0x90], "xchg eax, r8d");
+mod xchg {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x90], "nop"),
+        testcase!(&[0x91], "xchg eax, ecx"),
+        testcase!(&[0x4f, 0x91], "xchg rax, r9"),
+        testcase!(&[0x66, 0x91], "xchg ax, cx"),
+        testcase!(&[0x4f, 0x90], "xchg rax, r8"),
+        testcase!(&[0x41, 0x90], "xchg eax, r8d"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_stack() {
-    test_display(&[0x66, 0x41, 0x50], "push r8w");
+mod stack {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x66, 0x41, 0x50], "push r8w"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_prefixes() {
-    test_display(&[0x66, 0x41, 0x31, 0xc0], "xor r8w, ax");
-    test_display(&[0x66, 0x41, 0x32, 0xc0], "xor al, r8b");
-    test_display(&[0x40, 0x32, 0xc5], "xor al, bpl");
-    test_invalid(&[0xf0, 0x33, 0xc0]);
-    test_display(&[0xf0, 0x31, 0x00], "lock xor dword [rax], eax");
-    test_display(&[0xf0, 0x80, 0x30, 0x00], "lock xor byte [rax], 0x0");
-    test_display(&[0xf0, 0x0f, 0xbb, 0x17], "lock btc dword [rdi], edx");
-    test_display(&[0x66, 0x2e, 0xf2, 0xf0, 0x0f, 0xbb, 0x13], "xacquire lock btc word [rbx], dx");
-    test_invalid(&[0xf0, 0xc7, 0x00, 0x00, 0x00, 0x00]);
-    test_display(&[0x0f, 0xc1, 0xcc], "xadd esp, ecx");
-    test_display(&[0x66, 0x0f, 0xc1, 0xcc], "xadd sp, cx");
-    test_display(&[0xf2, 0x0f, 0xc1, 0xcc], "xadd esp, ecx");
-    test_display(&[0xf3, 0x0f, 0xc1, 0xcc], "xadd esp, ecx");
-    test_display(&[0x0f, 0xc0, 0xcc], "xadd ah, cl");
-    test_display(&[0x66, 0x0f, 0xc0, 0xcc], "xadd ah, cl");
-    test_display(&[0xf2, 0x0f, 0xc0, 0xcc], "xadd ah, cl");
-    test_display(&[0xf3, 0x0f, 0xc0, 0xcc], "xadd ah, cl");
+mod prefixes {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x66, 0x41, 0x31, 0xc0], "xor r8w, ax"),
+        testcase!(&[0x66, 0x41, 0x32, 0xc0], "xor al, r8b"),
+        testcase!(&[0x40, 0x32, 0xc5], "xor al, bpl"),
+        testcase!(invalid: &[0xf0, 0x33, 0xc0]),
+        testcase!(&[0xf0, 0x31, 0x00], "lock xor dword [rax], eax"),
+        testcase!(&[0xf0, 0x80, 0x30, 0x00], "lock xor byte [rax], 0x0"),
+        testcase!(&[0xf0, 0x0f, 0xbb, 0x17], "lock btc dword [rdi], edx"),
+        testcase!(&[0x66, 0x2e, 0xf2, 0xf0, 0x0f, 0xbb, 0x13], "xacquire lock btc word [rbx], dx"),
+        testcase!(invalid: &[0xf0, 0xc7, 0x00, 0x00, 0x00, 0x00]),
+        testcase!(&[0x0f, 0xc1, 0xcc], "xadd esp, ecx"),
+        testcase!(&[0x66, 0x0f, 0xc1, 0xcc], "xadd sp, cx"),
+        testcase!(&[0xf2, 0x0f, 0xc1, 0xcc], "xadd esp, ecx"),
+        testcase!(&[0xf3, 0x0f, 0xc1, 0xcc], "xadd esp, ecx"),
+        testcase!(&[0x0f, 0xc0, 0xcc], "xadd ah, cl"),
+        testcase!(&[0x66, 0x0f, 0xc0, 0xcc], "xadd ah, cl"),
+        testcase!(&[0xf2, 0x0f, 0xc0, 0xcc], "xadd ah, cl"),
+        testcase!(&[0xf3, 0x0f, 0xc0, 0xcc], "xadd ah, cl"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_control_flow() {
-    test_display(&[0x73, 0x31], "jnb $+0x31");
-    test_display(&[0x72, 0x5a], "jb $+0x5a");
-    test_display(&[0x72, 0xf0], "jb $-0x10");
-    test_display(&[0xe8, 0x01, 0x00, 0x00, 0x00], "call $+0x1");
-    test_display(&[0xe8, 0x80, 0x00, 0x00, 0x00], "call $+0x80");
-    test_display(&[0xe8, 0xff, 0xff, 0xff, 0xff], "call $-0x1");
-    test_display(&[0xe9, 0x01, 0x00, 0x00, 0x00], "jmp $+0x1");
-    test_display(&[0xe9, 0x80, 0x00, 0x00, 0x00], "jmp $+0x80");
-    test_display(&[0xe9, 0xff, 0xff, 0xff, 0xff], "jmp $-0x1");
-    test_display(&[0x0f, 0x86, 0x8b, 0x01, 0x00, 0x00], "jna $+0x18b");
-    test_display(&[0x0f, 0x85, 0x3b, 0x25, 0x00, 0x00], "jnz $+0x253b");
-    test_display(&[0x74, 0x47], "jz $+0x47");
-    test_display(&[0xff, 0x15, 0x7e, 0x72, 0x24, 0x00], "call qword [rip + 0x24727e]");
-    test_display(&[0xff, 0x15, 0x7e, 0x72, 0x24, 0x00], "call qword [rip + 0x24727e]");
-    test_display(&[0xff, 0x24, 0xcd, 0x70, 0xa0, 0xbc, 0x01], "jmp qword [rcx * 8 + 0x1bca070]");
-    test_display(&[0xff, 0x14, 0xcd, 0x70, 0xa0, 0xbc, 0x01], "call qword [rcx * 8 + 0x1bca070]");
-    test_display(&[0xff, 0xe0], "jmp rax");
-    test_display(&[0xff, 0xd0], "call rax");
-    test_display(&[0x66, 0xff, 0xe0], "jmp rax");
-    test_display(&[0x67, 0xff, 0xe0], "jmp rax");
-    test_display(&[0x66, 0xff, 0xd0], "call rax");
-    test_display(&[0x67, 0xff, 0xd0], "call rax");
-    test_invalid(&[0xff, 0xd8]);
-    test_display(&[0xff, 0x18], "callf mword [rax]");
-    test_display(&[0xe0, 0x12], "loopnz $+0x12");
-    test_display(&[0xe1, 0x12], "loopz $+0x12");
-    test_display(&[0xe2, 0x12], "loop $+0x12");
-    test_display(&[0xe3, 0x12], "jrcxz $+0x12");
-    test_display(&[0xe3, 0xf0], "jrcxz $-0x10");
-    test_display(&[0x67, 0xe3, 0x12], "jecxz $+0x12");
-    test_display(&[0x67, 0xe3, 0xf0], "jecxz $-0x10");
-    test_display(&[0xc3], "ret");
+mod control_flow {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x73, 0x31], "jnb $+0x31"),
+        testcase!(&[0x72, 0x5a], "jb $+0x5a"),
+        testcase!(&[0x72, 0xf0], "jb $-0x10"),
+        testcase!(&[0xe8, 0x01, 0x00, 0x00, 0x00], "call $+0x1"),
+        testcase!(&[0xe8, 0x80, 0x00, 0x00, 0x00], "call $+0x80"),
+        testcase!(&[0xe8, 0xff, 0xff, 0xff, 0xff], "call $-0x1"),
+        testcase!(&[0xe9, 0x01, 0x00, 0x00, 0x00], "jmp $+0x1"),
+        testcase!(&[0xe9, 0x80, 0x00, 0x00, 0x00], "jmp $+0x80"),
+        testcase!(&[0xe9, 0xff, 0xff, 0xff, 0xff], "jmp $-0x1"),
+        testcase!(&[0x0f, 0x86, 0x8b, 0x01, 0x00, 0x00], "jna $+0x18b"),
+        testcase!(&[0x0f, 0x85, 0x3b, 0x25, 0x00, 0x00], "jnz $+0x253b"),
+        testcase!(&[0x74, 0x47], "jz $+0x47"),
+        testcase!(&[0xff, 0x15, 0x7e, 0x72, 0x24, 0x00], "call qword [rip + 0x24727e]"),
+        testcase!(&[0xff, 0x15, 0x7e, 0x72, 0x24, 0x00], "call qword [rip + 0x24727e]"),
+        testcase!(&[0xff, 0x24, 0xcd, 0x70, 0xa0, 0xbc, 0x01], "jmp qword [rcx * 8 + 0x1bca070]"),
+        testcase!(&[0xff, 0x14, 0xcd, 0x70, 0xa0, 0xbc, 0x01], "call qword [rcx * 8 + 0x1bca070]"),
+        testcase!(&[0xff, 0xe0], "jmp rax"),
+        testcase!(&[0xff, 0xd0], "call rax"),
+        testcase!(&[0x66, 0xff, 0xe0], "jmp rax"),
+        testcase!(&[0x67, 0xff, 0xe0], "jmp rax"),
+        testcase!(&[0x66, 0xff, 0xd0], "call rax"),
+        testcase!(&[0x67, 0xff, 0xd0], "call rax"),
+        testcase!(invalid: &[0xff, 0xd8]),
+        testcase!(&[0xff, 0x18], "callf mword [rax]"),
+        testcase!(&[0xe0, 0x12], "loopnz $+0x12"),
+        testcase!(&[0xe1, 0x12], "loopz $+0x12"),
+        testcase!(&[0xe2, 0x12], "loop $+0x12"),
+        testcase!(&[0xe3, 0x12], "jrcxz $+0x12"),
+        testcase!(&[0xe3, 0xf0], "jrcxz $-0x10"),
+        testcase!(&[0x67, 0xe3, 0x12], "jecxz $+0x12"),
+        testcase!(&[0x67, 0xe3, 0xf0], "jecxz $-0x10"),
+        testcase!(&[0xc3], "ret"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn bad_instructions() {
-    // too long
-    test_invalid(&[
-         0x2e, 0x2e, 0x2e, 0x2e,
-         0x2e, 0x2e, 0x2e, 0x2e,
-         0x2e, 0x2e, 0x2e, 0x2e,
-         0x2e, 0x2e, 0x2e, 0x2e,
-         0x33, 0xc0,
-    ]);
+mod bad_instructions {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        // too long
+        testcase!(invalid: &[
+             0x2e, 0x2e, 0x2e, 0x2e,
+             0x2e, 0x2e, 0x2e, 0x2e,
+             0x2e, 0x2e, 0x2e, 0x2e,
+             0x2e, 0x2e, 0x2e, 0x2e,
+             0x33, 0xc0,
+        ]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_test_cmp() {
-    test_display(&[0xf6, 0x05, 0x2c, 0x9b, 0xff, 0xff, 0x01], "test byte [rip - 0x64d4], 0x1");
-    test_display(&[0x48, 0x3d, 0x01, 0xf0, 0xff, 0xff], "cmp rax, -0xfff");
-    test_display(&[0x3d, 0x01, 0xf0, 0xff, 0xff], "cmp eax, -0xfff");
-    test_display(&[0x48, 0x83, 0xf8, 0xff], "cmp rax, -0x1");
-    test_display(&[0x48, 0x39, 0xc6], "cmp rsi, rax");
+mod test_cmp {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf6, 0x05, 0x2c, 0x9b, 0xff, 0xff, 0x01], "test byte [rip - 0x64d4], 0x1"),
+        testcase!(&[0x48, 0x3d, 0x01, 0xf0, 0xff, 0xff], "cmp rax, -0xfff"),
+        testcase!(&[0x3d, 0x01, 0xf0, 0xff, 0xff], "cmp eax, -0xfff"),
+        testcase!(&[0x48, 0x83, 0xf8, 0xff], "cmp rax, -0x1"),
+        testcase!(&[0x48, 0x39, 0xc6], "cmp rsi, rax"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_push_pop() {
-    test_display(&[0x5b], "pop rbx");
-    test_display(&[0x41, 0x5e], "pop r14");
-    test_display(&[0x68, 0x7f, 0x63, 0xc4, 0x00], "push 0xc4637f");
-    test_display(&[0x66, 0x8f, 0x00], "pop word [rax]");
-    test_display(&[0x8f, 0x00], "pop qword [rax]");
-    test_display(&[0x48, 0x8f, 0x00], "pop qword [rax]");
+mod push_pop {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x5b], "pop rbx"),
+        testcase!(&[0x41, 0x5e], "pop r14"),
+        testcase!(&[0x68, 0x7f, 0x63, 0xc4, 0x00], "push 0xc4637f"),
+        testcase!(&[0x66, 0x8f, 0x00], "pop word [rax]"),
+        testcase!(&[0x8f, 0x00], "pop qword [rax]"),
+        testcase!(&[0x48, 0x8f, 0x00], "pop qword [rax]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_bmi1() {
-    let bmi1 = InstDecoder::minimal().with_bmi1();
-    let no_bmi1 = InstDecoder::minimal();
-    test_display_under(&bmi1, &[0xf3, 0x41, 0x0f, 0xbc, 0xd3], "tzcnt edx, r11d");
-    test_display_under(&bmi1, &[0xf2, 0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d");
-    test_display_under(&bmi1, &[0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d");
-    test_display_under(&no_bmi1, &[0xf3, 0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d");
-
-    // just 0f38
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0x60, 0xf2, 0x01], "andn eax, ebx, dword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0xe0, 0xf2, 0x01], "andn rax, rbx, qword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0x78, 0xf3, 0x09], "blsr eax, dword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0xf8, 0xf3, 0x09], "blsr rax, qword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0x78, 0xf3, 0x11], "blsmsk eax, dword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0xf8, 0xf3, 0x11], "blsmsk rax, qword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0x78, 0xf3, 0x19], "blsi eax, dword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0xf8, 0xf3, 0x19], "blsi rax, qword [r9]");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0x60, 0xf7, 0x01], "bextr eax, dword [r9], ebx");
-    test_display_under(&bmi1, &[0xc4, 0xc2, 0xe0, 0xf7, 0x01], "bextr rax, qword [r9], rbx");
+mod bmi1 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        // 0fbc changes from bsf to tzcnt when BMI1 is present, so we have to be a bit careful
+        // about the expected decodes..
+        testcase!(features nodefault { BMI1: true } &[0xf3, 0x41, 0x0f, 0xbc, 0xd3], "tzcnt edx, r11d"),
+        testcase!(features nodefault { Minimal: true } &[0xf3, 0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d"),
+
+        testcase!(features nodefault { Minimal: true } &[0xf2, 0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d"),
+        testcase!(features nodefault { BMI1: true } &[0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d"),
+
+        // just 0f38
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0x60, 0xf2, 0x01], "andn eax, ebx, dword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0xe0, 0xf2, 0x01], "andn rax, rbx, qword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0x78, 0xf3, 0x09], "blsr eax, dword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0xf8, 0xf3, 0x09], "blsr rax, qword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0x78, 0xf3, 0x11], "blsmsk eax, dword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0xf8, 0xf3, 0x11], "blsmsk rax, qword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0x78, 0xf3, 0x19], "blsi eax, dword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0xf8, 0xf3, 0x19], "blsi rax, qword [r9]"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0x60, 0xf7, 0x01], "bextr eax, dword [r9], ebx"),
+        testcase!(features { BMI1: true } &[0xc4, 0xc2, 0xe0, 0xf7, 0x01], "bextr rax, qword [r9], rbx"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_bmi2() {
-    let bmi2 = InstDecoder::minimal().with_bmi2();
-    // f2 0f3a
-    test_display_under(&bmi2, &[0xc4, 0xc3, 0x7b, 0xf0, 0x01, 0x05], "rorx eax, dword [r9], 0x5");
-    test_display_under(&bmi2, &[0xc4, 0xc3, 0xfb, 0xf0, 0x01, 0x05], "rorx rax, qword [r9], 0x5");
-
-    // f2 0f38 map
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0x63, 0xf5, 0x07], "pdep eax, ebx, dword [rdi]");
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0xe3, 0xf5, 0x07], "pdep rax, rbx, qword [rdi]");
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0x63, 0xf6, 0x07], "mulx eax, ebx, dword [rdi]");
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0xe3, 0xf6, 0x07], "mulx rax, rbx, qword [rdi]");
-    test_display_under(&bmi2, &[0xc4, 0xc2, 0x63, 0xf7, 0x01], "shrx eax, dword [r9], ebx");
-    test_display_under(&bmi2, &[0xc4, 0xc2, 0xe3, 0xf7, 0x01], "shrx rax, qword [r9], rbx");
-
-    // f3 0f38 map
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0x62, 0xf5, 0x07], "pext eax, ebx, dword [rdi]");
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0xe2, 0xf5, 0x07], "pext rax, rbx, qword [rdi]");
-    test_display_under(&bmi2, &[0xc4, 0xc2, 0x62, 0xf7, 0x01], "sarx eax, dword [r9], ebx");
-    test_display_under(&bmi2, &[0xc4, 0xc2, 0xe2, 0xf7, 0x01], "sarx rax, qword [r9], rbx");
-
-    // just 0f38
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0x60, 0xf5, 0x07], "bzhi eax, dword [rdi], ebx");
-    test_display_under(&bmi2, &[0xc4, 0xe2, 0xe0, 0xf5, 0x07], "bzhi rax, qword [rdi], rbx");
-
-    // 66 0f38
-    test_display_under(&bmi2, &[0xc4, 0xc2, 0x61, 0xf7, 0x01], "shlx eax, dword [r9], ebx");
-    test_display_under(&bmi2, &[0xc4, 0xc2, 0xe1, 0xf7, 0x01], "shlx rax, qword [r9], rbx");
+mod bmi2 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        // f2 0f3a
+        testcase!(features { BMI2: true } &[0xc4, 0xc3, 0x7b, 0xf0, 0x01, 0x05], "rorx eax, dword [r9], 0x5"),
+        testcase!(features { BMI2: true } &[0xc4, 0xc3, 0xfb, 0xf0, 0x01, 0x05], "rorx rax, qword [r9], 0x5"),
+
+        // f2 0f38 map
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0x63, 0xf5, 0x07], "pdep eax, ebx, dword [rdi]"),
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0xe3, 0xf5, 0x07], "pdep rax, rbx, qword [rdi]"),
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0x63, 0xf6, 0x07], "mulx eax, ebx, dword [rdi]"),
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0xe3, 0xf6, 0x07], "mulx rax, rbx, qword [rdi]"),
+        testcase!(features { BMI2: true } &[0xc4, 0xc2, 0x63, 0xf7, 0x01], "shrx eax, dword [r9], ebx"),
+        testcase!(features { BMI2: true } &[0xc4, 0xc2, 0xe3, 0xf7, 0x01], "shrx rax, qword [r9], rbx"),
+
+        // f3 0f38 map
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0x62, 0xf5, 0x07], "pext eax, ebx, dword [rdi]"),
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0xe2, 0xf5, 0x07], "pext rax, rbx, qword [rdi]"),
+        testcase!(features { BMI2: true } &[0xc4, 0xc2, 0x62, 0xf7, 0x01], "sarx eax, dword [r9], ebx"),
+        testcase!(features { BMI2: true } &[0xc4, 0xc2, 0xe2, 0xf7, 0x01], "sarx rax, qword [r9], rbx"),
+
+        // just 0f38
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0x60, 0xf5, 0x07], "bzhi eax, dword [rdi], ebx"),
+        testcase!(features { BMI2: true } &[0xc4, 0xe2, 0xe0, 0xf5, 0x07], "bzhi rax, qword [rdi], rbx"),
+
+        // 66 0f38
+        testcase!(features { BMI2: true } &[0xc4, 0xc2, 0x61, 0xf7, 0x01], "shlx eax, dword [r9], ebx"),
+        testcase!(features { BMI2: true } &[0xc4, 0xc2, 0xe1, 0xf7, 0x01], "shlx rax, qword [r9], rbx"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_popcnt() {
-    let popcnt = InstDecoder::minimal().with_popcnt();
-    let intel_popcnt = InstDecoder::minimal().with_intel_quirks().with_sse4_2();
-    let no_popcnt = InstDecoder::minimal();
-    test_display_under(&popcnt, &[0xf3, 0x0f, 0xb8, 0xc1], "popcnt eax, ecx");
-    test_display_under(&intel_popcnt, &[0xf3, 0x0f, 0xb8, 0xc1], "popcnt eax, ecx");
-    test_display_under(&popcnt, &[0xf3, 0x4f, 0x0f, 0xb8, 0xc1], "popcnt r8, r9");
-    test_display_under(&intel_popcnt, &[0xf3, 0x4f, 0x0f, 0xb8, 0xc1], "popcnt r8, r9");
-    test_invalid_under(&no_popcnt, &[0xf3, 0x4f, 0x0f, 0xb8, 0xc1]);
+mod popcnt {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { Popcnt: true } &[0xf3, 0x0f, 0xb8, 0xc1], "popcnt eax, ecx"),
+        testcase!(features { SSE4_2_Intel: true } &[0xf3, 0x0f, 0xb8, 0xc1], "popcnt eax, ecx"),
+        testcase!(features { Popcnt: true } &[0xf3, 0x4f, 0x0f, 0xb8, 0xc1], "popcnt r8, r9"),
+        testcase!(features { SSE4_2_Intel: true } &[0xf3, 0x4f, 0x0f, 0xb8, 0xc1], "popcnt r8, r9"),
+        testcase!(invalid: features nodefault { Minimal: false } &[0xf3, 0x4f, 0x0f, 0xb8, 0xc1]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_bitwise() {
-    test_display_under(&InstDecoder::minimal(), &[0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d");
-    test_display_under(&InstDecoder::minimal(), &[0x0f, 0xbb, 0x17], "btc dword [rdi], edx");
-    test_display_under(&InstDecoder::minimal(), &[0xf0, 0x0f, 0xbb, 0x17], "lock btc dword [rdi], edx");
-    test_display(&[0x48, 0x0f, 0xa3, 0xd0], "bt rax, rdx");
-    test_display(&[0x48, 0x0f, 0xab, 0xd0], "bts rax, rdx");
-    test_display(&[0x48, 0x0f, 0xb3, 0xd0], "btr rax, rdx");
-    test_display(&[0x0f, 0xb3, 0xd0], "btr eax, edx");
-    test_display(&[0x66, 0x41, 0x0f, 0xb3, 0xc0], "btr r8w, ax");
-    test_display(&[0xd2, 0xe0], "shl al, cl");
+mod bitwise {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features nodefault { Minimal: true } &[0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d"),
+        testcase!(features nodefault { Minimal: true } &[0x0f, 0xbb, 0x17], "btc dword [rdi], edx"),
+        testcase!(features nodefault { Minimal: true } &[0xf0, 0x0f, 0xbb, 0x17], "lock btc dword [rdi], edx"),
+        testcase!(features nodefault { Minimal: true } &[0xf0, 0x0f, 0xbb, 0x17], "lock btc dword [rdi], edx"),
+        testcase!(&[0x48, 0x0f, 0xa3, 0xd0], "bt rax, rdx"),
+        testcase!(&[0x48, 0x0f, 0xab, 0xd0], "bts rax, rdx"),
+        testcase!(&[0x48, 0x0f, 0xb3, 0xd0], "btr rax, rdx"),
+        testcase!(&[0x0f, 0xb3, 0xd0], "btr eax, edx"),
+        testcase!(&[0x66, 0x41, 0x0f, 0xb3, 0xc0], "btr r8w, ax"),
+        testcase!(&[0xd2, 0xe0], "shl al, cl"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_misc() {
-    test_display(&[0xf1], "int 0x1");
-    test_display(&[0xf5], "cmc");
-    test_display(&[0xc8, 0x01, 0x02, 0x03], "enter 0x201, 0x3");
-    test_display(&[0xc9], "leave");
-    test_display(&[0xca, 0x12, 0x34], "retf 0x3412");
-    test_display(&[0xcb], "retf");
-    test_display(&[0x66, 0xcf], "iret");
-    test_display(&[0xcf], "iretd");
-    test_display(&[0x48, 0xcf], "iretq");
-    test_display(&[0x66, 0x4f, 0xcf], "iretq");
-    test_display(&[0xf2, 0x0f, 0x38, 0xf0, 0xc1], "crc32 eax, cl");
-    test_display(&[0xf2, 0x0f, 0x38, 0xf1, 0xc1], "crc32 eax, ecx");
-    test_display(&[0xfe, 0x00], "inc byte [rax]");
-    test_display(&[0xfe, 0x08], "dec byte [rax]");
-    test_display(&[0xff, 0x00], "inc dword [rax]");
-    test_display(&[0x48, 0xff, 0x00], "inc qword [rax]");
-    test_display(&[0xe4, 0x99], "in al, 0x99");
-    test_display(&[0xe5, 0x99], "in eax, 0x99");
-    test_display(&[0x67, 0xe5, 0x99], "in eax, 0x99");
-    test_display(&[0x4f, 0xe5, 0x99], "in eax, 0x99");
-    test_display(&[0xe6, 0x99], "out 0x99, al");
-    test_display(&[0x4f, 0xe7, 0x99], "out 0x99, eax");
-    test_display(&[0xec], "in al, dx");
-    test_display(&[0xed], "in eax, dx");
-    test_display(&[0xee], "out dx, al");
-    test_display(&[0xef], "out dx, eax");
-    test_display(&[0xcd, 0x00], "int 0x0");
-    test_display(&[0xcd, 0xff], "int 0xff");
-    test_display(&[0x9c], "pushf");
-    test_display(&[0x48, 0x98], "cdqe");
-    test_display(&[0x98], "cwde");
-    test_display(&[0x66, 0x99], "cwd");
-    test_display(&[0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00], "nop word [rax + rax * 1]");
-    test_display(&[0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00], "nop word [rax + rax * 1]");
-    test_display(&[0x48, 0x8d, 0xa4, 0xc7, 0x20, 0x00, 0x00, 0x12], "lea rsp, qword [rdi + rax * 8 + 0x12000020]");
-    test_display(&[0x33, 0xc0], "xor eax, eax");
-    test_display(&[0x48, 0x8d, 0x53, 0x08], "lea rdx, qword [rbx + 0x8]");
-    test_invalid(&[0x8d, 0xdd]);
-    test_display(&[0x31, 0xc9], "xor ecx, ecx");
-    test_display(&[0x48, 0x29, 0xc8], "sub rax, rcx");
-    test_display(&[0x48, 0x03, 0x0b], "add rcx, qword [rbx]");
-    test_display(&[0x48, 0x8d, 0x0c, 0x12], "lea rcx, qword [rdx + rdx * 1]");
-    test_display(&[0xf6, 0xc2, 0x18], "test dl, 0x18");
-    test_display(&[0x41, 0xf6, 0xc7, 0x03], "test r15b, 0x3");
-    test_display(&[0xf3, 0x48, 0xab], "rep stos qword es:[rdi], rax");
-    test_display(&[0xf3, 0x48, 0xa5], "rep movs qword es:[rdi], qword ds:[rsi]");
-    test_display(&[0xf3, 0x45, 0x0f, 0xbc, 0xd7], "tzcnt r10d, r15d");
-
-    test_display(&[0xf3, 0x0f, 0xae, 0x26], "ptwrite dword [rsi]");
-    test_display(&[0xf3, 0x0f, 0xae, 0xe6], "ptwrite esi");
-    test_invalid(&[0x66, 0xf3, 0x0f, 0xae, 0xe6]);
-    test_display(&[0xf3, 0x49, 0x0f, 0xae, 0x26], "ptwrite qword [r14]");
-    test_display(&[0xf3, 0x0f, 0xae, 0xc4], "rdfsbase esp");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xae, 0xc4], "rdfsbase r12");
-    test_display(&[0xf3, 0x0f, 0xae, 0xcc], "rdgsbase esp");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xae, 0xcc], "rdgsbase r12");
-    test_display(&[0xf3, 0x0f, 0xae, 0xd4], "wrfsbase esp");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xae, 0xd4], "wrfsbase r12");
-    test_display(&[0xf3, 0x0f, 0xae, 0xdc], "wrgsbase esp");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xae, 0xdc], "wrgsbase r12");
-    test_display(&[0x66, 0x0f, 0xae, 0x3f], "clflushopt zmmword [rdi]");
-    test_display(&[0x0f, 0xae, 0x3f], "clflush zmmword [rdi]");
-    test_invalid(&[0x66, 0x0f, 0xae, 0xff]);
-    test_display(&[0x66, 0x0f, 0xae, 0x37], "clwb zmmword [rdi]");
-    test_display(&[0x66, 0x0f, 0xae, 0xf7], "tpause edi");
-    test_display(&[0xf3, 0x0f, 0xae, 0xf1], "umonitor rcx");
-    test_display(&[0xf2, 0x0f, 0xae, 0xf1], "umwait ecx");
-    test_display(&[0xf2, 0x4f, 0x0f, 0xae, 0xf1], "umwait r9");
-    test_display(&[0x66, 0x0f, 0x38, 0x80, 0x2f], "invept rbp, xmmword [rdi]");
-    test_display(&[0x66, 0x49, 0x0f, 0x38, 0x80, 0x2f], "invept rbp, xmmword [r15]");
-    test_invalid(&[0x0f, 0x38, 0x80, 0x2f]);
-    test_invalid(&[0x43, 0x0f, 0x38, 0x80, 0x2f]);
-    test_display(&[0x66, 0x0f, 0x38, 0x81, 0x2f], "invvpid rbp, xmmword [rdi]");
-    test_display(&[0x66, 0x49, 0x0f, 0x38, 0x81, 0x2f], "invvpid rbp, xmmword [r15]");
-    test_invalid(&[0x0f, 0x38, 0x81, 0x2f]);
-    test_invalid(&[0x43, 0x0f, 0x38, 0x81, 0x2f]);
-    test_display(&[0x66, 0x0f, 0x38, 0x82, 0x2f], "invpcid rbp, xmmword [rdi]");
-    test_display(&[0x66, 0x49, 0x0f, 0x38, 0x82, 0x2f], "invpcid rbp, xmmword [r15]");
-    test_invalid(&[0x0f, 0x38, 0x82, 0x2f]);
-    test_invalid(&[0x43, 0x0f, 0x38, 0x82, 0x2f]);
-    test_display(&[0x66, 0x0f, 0xae, 0xf1], "tpause ecx");
-    test_display(&[0x66, 0x4f, 0x0f, 0xae, 0xf1], "tpause r9");
-    test_display(&[0xc4, 0b000_00011, 0b0_1111_101, 0x1d, 0b11_001_010, 0x77], "vcvtps2ph xmm10, ymm9, 0x77");
+mod misc {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf1], "int 0x1"),
+        testcase!(&[0xf5], "cmc"),
+        testcase!(&[0xc8, 0x01, 0x02, 0x03], "enter 0x201, 0x3"),
+        testcase!(&[0xc9], "leave"),
+        testcase!(&[0xca, 0x12, 0x34], "retf 0x3412"),
+        testcase!(&[0xcb], "retf"),
+        testcase!(&[0x66, 0xcf], "iret"),
+        testcase!(&[0xcf], "iretd"),
+        testcase!(&[0x48, 0xcf], "iretq"),
+        testcase!(&[0x66, 0x4f, 0xcf], "iretq"),
+        testcase!(&[0xf2, 0x0f, 0x38, 0xf0, 0xc1], "crc32 eax, cl"),
+        testcase!(&[0xf2, 0x0f, 0x38, 0xf1, 0xc1], "crc32 eax, ecx"),
+        testcase!(&[0xfe, 0x00], "inc byte [rax]"),
+        testcase!(&[0xfe, 0x08], "dec byte [rax]"),
+        testcase!(&[0xff, 0x00], "inc dword [rax]"),
+        testcase!(&[0x48, 0xff, 0x00], "inc qword [rax]"),
+        testcase!(&[0xe4, 0x99], "in al, 0x99"),
+        testcase!(&[0xe5, 0x99], "in eax, 0x99"),
+        testcase!(&[0x67, 0xe5, 0x99], "in eax, 0x99"),
+        testcase!(&[0x4f, 0xe5, 0x99], "in eax, 0x99"),
+        testcase!(&[0xe6, 0x99], "out 0x99, al"),
+        testcase!(&[0x4f, 0xe7, 0x99], "out 0x99, eax"),
+        testcase!(&[0xec], "in al, dx"),
+        testcase!(&[0xed], "in eax, dx"),
+        testcase!(&[0xee], "out dx, al"),
+        testcase!(&[0xef], "out dx, eax"),
+        testcase!(&[0xcd, 0x00], "int 0x0"),
+        testcase!(&[0xcd, 0xff], "int 0xff"),
+        testcase!(&[0x9c], "pushf"),
+        testcase!(&[0x48, 0x98], "cdqe"),
+        testcase!(&[0x98], "cwde"),
+        testcase!(&[0x66, 0x99], "cwd"),
+        testcase!(&[0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00], "nop word [rax + rax * 1]"),
+        testcase!(&[0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00], "nop word [rax + rax * 1]"),
+        testcase!(&[0x48, 0x8d, 0xa4, 0xc7, 0x20, 0x00, 0x00, 0x12], "lea rsp, qword [rdi + rax * 8 + 0x12000020]"),
+        testcase!(&[0x33, 0xc0], "xor eax, eax"),
+        testcase!(&[0x48, 0x8d, 0x53, 0x08], "lea rdx, qword [rbx + 0x8]"),
+        testcase!(invalid: &[0x8d, 0xdd]),
+        testcase!(&[0x31, 0xc9], "xor ecx, ecx"),
+        testcase!(&[0x48, 0x29, 0xc8], "sub rax, rcx"),
+        testcase!(&[0x48, 0x03, 0x0b], "add rcx, qword [rbx]"),
+        testcase!(&[0x48, 0x8d, 0x0c, 0x12], "lea rcx, qword [rdx + rdx * 1]"),
+        testcase!(&[0xf6, 0xc2, 0x18], "test dl, 0x18"),
+        testcase!(&[0x41, 0xf6, 0xc7, 0x03], "test r15b, 0x3"),
+        testcase!(&[0xf3, 0x48, 0xab], "rep stos qword es:[rdi], rax"),
+        testcase!(&[0xf3, 0x48, 0xa5], "rep movs qword es:[rdi], qword ds:[rsi]"),
+        testcase!(&[0xf3, 0x45, 0x0f, 0xbc, 0xd7], "tzcnt r10d, r15d"),
+
+        testcase!(&[0xf3, 0x0f, 0xae, 0x26], "ptwrite dword [rsi]"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0xe6], "ptwrite esi"),
+        testcase!(invalid: &[0x66, 0xf3, 0x0f, 0xae, 0xe6]),
+        testcase!(&[0xf3, 0x49, 0x0f, 0xae, 0x26], "ptwrite qword [r14]"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0xc4], "rdfsbase esp"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xae, 0xc4], "rdfsbase r12"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0xcc], "rdgsbase esp"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xae, 0xcc], "rdgsbase r12"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0xd4], "wrfsbase esp"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xae, 0xd4], "wrfsbase r12"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0xdc], "wrgsbase esp"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xae, 0xdc], "wrgsbase r12"),
+        testcase!(&[0x66, 0x0f, 0xae, 0x3f], "clflushopt zmmword [rdi]"),
+        testcase!(&[0x0f, 0xae, 0x3f], "clflush zmmword [rdi]"),
+        testcase!(invalid: &[0x66, 0x0f, 0xae, 0xff]),
+        testcase!(&[0x66, 0x0f, 0xae, 0x37], "clwb zmmword [rdi]"),
+        testcase!(&[0x66, 0x0f, 0xae, 0xf7], "tpause edi"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0xf1], "umonitor rcx"),
+        testcase!(&[0xf2, 0x0f, 0xae, 0xf1], "umwait ecx"),
+        testcase!(&[0xf2, 0x4f, 0x0f, 0xae, 0xf1], "umwait r9"),
+        testcase!(&[0x66, 0x0f, 0x38, 0x80, 0x2f], "invept rbp, xmmword [rdi]"),
+        testcase!(&[0x66, 0x49, 0x0f, 0x38, 0x80, 0x2f], "invept rbp, xmmword [r15]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x80, 0x2f]),
+        testcase!(invalid: &[0x43, 0x0f, 0x38, 0x80, 0x2f]),
+        testcase!(&[0x66, 0x0f, 0x38, 0x81, 0x2f], "invvpid rbp, xmmword [rdi]"),
+        testcase!(&[0x66, 0x49, 0x0f, 0x38, 0x81, 0x2f], "invvpid rbp, xmmword [r15]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x81, 0x2f]),
+        testcase!(invalid: &[0x43, 0x0f, 0x38, 0x81, 0x2f]),
+        testcase!(&[0x66, 0x0f, 0x38, 0x82, 0x2f], "invpcid rbp, xmmword [rdi]"),
+        testcase!(&[0x66, 0x49, 0x0f, 0x38, 0x82, 0x2f], "invpcid rbp, xmmword [r15]"),
+        testcase!(invalid: &[0x0f, 0x38, 0x82, 0x2f]),
+        testcase!(invalid: &[0x43, 0x0f, 0x38, 0x82, 0x2f]),
+        testcase!(&[0x66, 0x0f, 0xae, 0xf1], "tpause ecx"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0xae, 0xf1], "tpause r9"),
+        testcase!(&[0xc4, 0b000_00011, 0b0_1111_101, 0x1d, 0b11_001_010, 0x77], "vcvtps2ph xmm10, ymm9, 0x77"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn evex() {
-    test_display(&[0x62, 0xe1, 0x7c, 0x00, 0x14, 0x0a], "vunpcklps xmm17, xmm16, xmmword [rdx]");
-    test_display(&[0x62, 0xe1, 0x7c, 0x08, 0x14, 0x0a], "vunpcklps xmm17, xmm0, xmmword [rdx]");
-    test_display(&[0x62, 0x01, 0x7c, 0x00, 0x14, 0xca], "vunpcklps xmm25, xmm16, xmm26");
-    test_display(&[0x62, 0xf2, 0x7d, 0x48, 0x2a, 0x44, 0x40, 0x01], "vmovntdqa zmm0, zmmword [rax + rax * 2 + 0x40]");
-    test_display(&[0x62, 0xf2, 0x7d, 0x08, 0x2a, 0x44, 0x40, 0x01], "vmovntdqa xmm0, xmmword [rax + rax * 2 + 0x10]");
-    test_invalid(&[0x62, 0xf2, 0x7d, 0x1d, 0x66, 0x50, 0x01, 0x11]);
-
-    // vpbroadcastmw2d. similar to `vpmovm2*`, out-of-range `k` are just masked down.
-    test_display(&[0x62, 0xd2, 0x7e, 0x28, 0x3a, 0xca], "vpbroadcastmw2d ymm1, k2");
-    // vpmovm2b (and larger forms). for some reason the source operand is a mask register but uses
-    // modrm bits as a register selector. out-of-range `k` seem to just get masked down..
-    test_display(&[0x62, 0xd2, 0x7e, 0x08, 0x28, 0xc2], "vpmovm2b xmm0, k2");
-    test_display(&[0x62, 0xf2, 0x7e, 0x08, 0x28, 0xc1], "vpmovm2b xmm0, k1");
-    // vpmovb2m (and larger forms). out-of-range `k` are invalid in 64-bit mode, are part of the
-    // `bound` instruction for 32- and 16-bit modes.
-    test_invalid(&[0x62, 0x72, 0x7e, 0x28, 0x29, 0xfd]);
-    test_display(&[0x62, 0xf2, 0x7e, 0x28, 0x29, 0xfd], "vpmovb2m k7, ymm5");
-
-    test_display(&[0x62, 0x12, 0x7d, 0x06, 0xa0, 0x04, 0x2f], "vpscatterdd dword [r15 + xmm29 * 1], k6, xmm8");
-    test_display(&[0x62, 0x12, 0x7d, 0x06, 0xa0, 0x14, 0x0f], "vpscatterdd dword [r15 + xmm25 * 1], k6, xmm10");
-    test_display(&[0x62, 0x12, 0x7d, 0x26, 0xa0, 0x14, 0x0f], "vpscatterdd dword [r15 + ymm25 * 1], k6, ymm10");
-    test_display(&[0x62, 0x12, 0x7d, 0x46, 0xa0, 0x14, 0x0f], "vpscatterdd dword [r15 + zmm25 * 1], k6, zmm10");
-
-    test_display(&[0x62, 0x12, 0xfd, 0x46, 0xa0, 0x14, 0x0f], "vpscatterdq qword [r15 + zmm25 * 1], k6, zmm10");
-    test_display(&[0x62, 0x12, 0x7d, 0x46, 0xa1, 0x14, 0x0f], "vpscatterqd dword [r15 + zmm25 * 1], k6, zmm10");
-    test_display(&[0x62, 0x12, 0xfd, 0x46, 0xa1, 0x14, 0x0f], "vpscatterqq qword [r15 + zmm25 * 1], k6, zmm10");
+mod evex {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x62, 0xe1, 0x7c, 0x00, 0x14, 0x0a], "vunpcklps xmm17, xmm16, xmmword [rdx]"),
+        testcase!(&[0x62, 0xe1, 0x7c, 0x08, 0x14, 0x0a], "vunpcklps xmm17, xmm0, xmmword [rdx]"),
+        testcase!(&[0x62, 0x01, 0x7c, 0x00, 0x14, 0xca], "vunpcklps xmm25, xmm16, xmm26"),
+        testcase!(&[0x62, 0xf2, 0x7d, 0x48, 0x2a, 0x44, 0x40, 0x01], "vmovntdqa zmm0, zmmword [rax + rax * 2 + 0x40]"),
+        testcase!(&[0x62, 0xf2, 0x7d, 0x08, 0x2a, 0x44, 0x40, 0x01], "vmovntdqa xmm0, xmmword [rax + rax * 2 + 0x10]"),
+        testcase!(invalid: &[0x62, 0xf2, 0x7d, 0x1d, 0x66, 0x50, 0x01, 0x11]),
+
+        // vpbroadcastmw2d. similar to `vpmovm2*`, out-of-range `k` are just masked down.
+        testcase!(&[0x62, 0xd2, 0x7e, 0x28, 0x3a, 0xca], "vpbroadcastmw2d ymm1, k2"),
+        // vpmovm2b (and larger forms). for some reason the source operand is a mask register but uses
+        // modrm bits as a register selector. out-of-range `k` seem to just get masked down..
+        testcase!(&[0x62, 0xd2, 0x7e, 0x08, 0x28, 0xc2], "vpmovm2b xmm0, k2"),
+        testcase!(&[0x62, 0xf2, 0x7e, 0x08, 0x28, 0xc1], "vpmovm2b xmm0, k1"),
+        // vpmovb2m (and larger forms). out-of-range `k` are invalid in 64-bit mode, are part of the
+        // `bound` instruction for 32- and 16-bit modes.
+        testcase!(invalid: &[0x62, 0x72, 0x7e, 0x28, 0x29, 0xfd]),
+        testcase!(&[0x62, 0xf2, 0x7e, 0x28, 0x29, 0xfd], "vpmovb2m k7, ymm5"),
+
+        testcase!(&[0x62, 0x12, 0x7d, 0x06, 0xa0, 0x04, 0x2f], "vpscatterdd dword [r15 + xmm29 * 1], k6, xmm8"),
+        testcase!(&[0x62, 0x12, 0x7d, 0x06, 0xa0, 0x14, 0x0f], "vpscatterdd dword [r15 + xmm25 * 1], k6, xmm10"),
+        testcase!(&[0x62, 0x12, 0x7d, 0x26, 0xa0, 0x14, 0x0f], "vpscatterdd dword [r15 + ymm25 * 1], k6, ymm10"),
+        testcase!(&[0x62, 0x12, 0x7d, 0x46, 0xa0, 0x14, 0x0f], "vpscatterdd dword [r15 + zmm25 * 1], k6, zmm10"),
+
+        testcase!(&[0x62, 0x12, 0xfd, 0x46, 0xa0, 0x14, 0x0f], "vpscatterdq qword [r15 + zmm25 * 1], k6, zmm10"),
+        testcase!(&[0x62, 0x12, 0x7d, 0x46, 0xa1, 0x14, 0x0f], "vpscatterqd dword [r15 + zmm25 * 1], k6, zmm10"),
+        testcase!(&[0x62, 0x12, 0xfd, 0x46, 0xa1, 0x14, 0x0f], "vpscatterqq qword [r15 + zmm25 * 1], k6, zmm10"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_vex() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_avx(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-    }
-
-    fn test_avx2(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_avx().with_avx2(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-    }
-
-    fn test_instr_vex_aesni(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_avx().with_aesni(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-    }
-
-    fn test_instr_vex_f16c(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_avx().with_f16c(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal().with_avx(), bytes);
-        test_invalid_under(&InstDecoder::minimal().with_f16c(), bytes);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-    }
-
-    fn test_instr_invalid(bytes: &[u8]) {
-        test_invalid_under(&InstDecoder::minimal().with_avx(), bytes);
-        test_invalid_under(&InstDecoder::default(), bytes);
-    }
-
-    // prefix 03
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_001, 0x00, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x00, 0b11_001_010, 0x77]);
-    test_avx2(&[0xc4, 0b000_00011, 0b1_1111_101, 0x00, 0b11_001_010, 0x77], "vpermq ymm9, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_001, 0x01, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x01, 0b11_001_010, 0x77]);
-    test_avx2(&[0xc4, 0b000_00011, 0b1_1111_101, 0x01, 0b11_001_010, 0x77], "vpermpd ymm9, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_001, 0x02, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_101, 0x02, 0b11_001_010, 0x77]);
-    test_avx2(&[0xc4, 0b000_00011, 0b0_1111_001, 0x02, 0b11_001_010, 0x77], "vpblendd xmm9, xmm0, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00011, 0b0_1111_001, 0x02, 0b00_001_010, 0x77], "vpblendd xmm9, xmm0, xmmword [r10], 0x77");
-    test_avx2(&[0xc4, 0b000_00011, 0b0_1111_101, 0x02, 0b11_001_010, 0x77], "vpblendd ymm9, ymm0, ymm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00011, 0b0_1111_101, 0x02, 0b00_001_010, 0x77], "vpblendd ymm9, ymm0, ymmword [r10], 0x77");
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x04, 0b11_001_010, 0x77], "vpermilps xmm9, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_101, 0x04, 0b11_001_010, 0x77], "vpermilps ymm9, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x05, 0b11_001_010, 0x77], "vpermilpd xmm9, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_101, 0x05, 0b11_001_010, 0x77], "vpermilpd ymm9, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_001, 0x06, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_101, 0x06, 0b11_001_010, 0x77], "vperm2f128 ymm9, ymm0, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_101, 0x06, 0b00_001_010, 0x77], "vperm2f128 ymm9, ymm0, ymmword [r10], 0x77");
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x0c, 0b11_001_010, 0x77], "vblendps xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_101, 0x0c, 0b11_001_010, 0x77], "vblendps ymm9, ymm8, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x0d, 0b11_001_010, 0x77], "vblendpd xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_101, 0x0d, 0b11_001_010, 0x77], "vblendpd ymm9, ymm8, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x0e, 0b11_001_010, 0x77], "vpblendw xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_101, 0x0e, 0b11_001_010, 0x77], "vpblendw ymm9, ymm8, ymm10, 0x77");
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x08, 0b11_001_010, 0x77], "vroundps xmm9, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_101, 0x08, 0b11_001_010, 0x77], "vroundps ymm9, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x08, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x08, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x09, 0b11_001_010, 0x77], "vroundpd xmm9, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_101, 0x09, 0b11_001_010, 0x77], "vroundpd ymm9, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x09, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x09, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x0a, 0b11_001_010, 0x77], "vroundss xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_101, 0x0a, 0b11_001_010, 0x77], "vroundss xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x0b, 0b11_001_010, 0x77], "vroundsd xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_101, 0x0b, 0b11_001_010, 0x77], "vroundsd xmm9, xmm8, xmm10, 0x77");
-
-    test_instr(&[0xc4, 0b000_00011, 0b1_0111_001, 0x0f, 0b11_001_010, 0x77], "vpalignr xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b1_0111_101, 0x0f, 0b11_001_010, 0x77], "vpalignr ymm9, ymm8, ymm10, 0x77");
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x14, 0b11_001_010, 0x77], "vpextrb r10d, xmm9, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x14, 0b00_001_010, 0x77], "vpextrb byte [r10], xmm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x14, 0b00_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x14, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x15, 0b11_001_010, 0x77], "vpextrw r10d, xmm9, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x15, 0b00_001_010, 0x77], "vpextrw word [r10], xmm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x15, 0b00_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x15, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x16, 0b11_001_010, 0x77], "vpextrd r10d, xmm9, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x16, 0b00_001_010, 0x77], "vpextrd dword [r10], xmm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x16, 0b00_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x16, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b1_1111_001, 0x16, 0b11_001_010, 0x77], "vpextrq r10, xmm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_001, 0x16, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b1_1111_001, 0x16, 0b00_001_010, 0x77], "vpextrq qword [r10], xmm9, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x17, 0b11_001_010, 0x77], "vextractps r10d, xmm9, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x17, 0b00_001_010, 0x77], "vextractps dword [r10], xmm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x17, 0b00_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x17, 0b00_001_010, 0x77]);
-
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_001, 0x18, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_101, 0x18, 0b11_001_010, 0x77], "vinsertf128 ymm9, ymm8, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_101, 0x19, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_101, 0x19, 0b11_001_010, 0x77], "vextractf128 xmm10, ymm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_001, 0x19, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_101, 0x19, 0b11_001_010, 0x77]);
-
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_001, 0x38, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x38, 0b11_001_010, 0x77]);
-    test_avx2(&[0xc4, 0b000_00011, 0b0_0111_101, 0x38, 0b11_001_010, 0x77], "vinserti128 ymm9, ymm8, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_101, 0x39, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x39, 0b11_001_010, 0x77]);
-    test_avx2(&[0xc4, 0b000_00011, 0b0_1111_101, 0x39, 0b11_001_010, 0x77], "vextracti128 xmm10, ymm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_001, 0x19, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_101, 0x19, 0b11_001_010, 0x77]);
-
-    test_instr_vex_f16c(&[0xc4, 0b000_00011, 0b0_1111_101, 0x1d, 0b11_001_010, 0x77], "vcvtps2ph xmm10, ymm9, 0x77");
-    test_instr_vex_f16c(&[0xc4, 0b000_00011, 0b0_1111_101, 0x1d, 0b11_001_010, 0x77], "vcvtps2ph xmm10, ymm9, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_101, 0x1d, 0b11_001_010, 0x77]);
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x20, 0b11_001_010, 0x77], "vpinsrb xmm9, xmm8, r10d, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x20, 0b00_001_010, 0x77], "vpinsrb xmm9, xmm8, byte [r10], 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x20, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x21, 0b11_001_010, 0x77], "vinsertps xmm9, xmm8, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x21, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x22, 0b11_001_010, 0x77], "vpinsrd xmm9, xmm8, r10d, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x22, 0b00_001_010, 0x77], "vpinsrd xmm9, xmm8, dword [r10], 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x22, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b1_0111_001, 0x22, 0b11_001_010, 0x77], "vpinsrq xmm9, xmm8, r10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b1_0111_001, 0x22, 0b00_001_010, 0x77], "vpinsrq xmm9, xmm8, qword [r10], 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_101, 0x22, 0b00_001_010, 0x77]);
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x40, 0b11_001_010, 0x77], "vdpps xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_101, 0x40, 0b11_001_010, 0x77], "vdpps ymm9, ymm8, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x41, 0b11_001_010, 0x77], "vdppd xmm9, xmm8, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x41, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x42, 0b11_001_010, 0x77], "vmpsadbw xmm9, xmm8, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00011, 0b0_0111_101, 0x42, 0b11_001_010, 0x77], "vmpsadbw ymm9, ymm8, ymm10, 0x77");
-
-    test_avx2(&[0xc4, 0b000_00011, 0b0_1111_101, 0x46, 0b11_001_010, 0x77], "vperm2i128 ymm9, ymm0, ymm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00011, 0b0_1111_101, 0x46, 0b00_001_010, 0x77], "vperm2i128 ymm9, ymm0, ymmword [r10], 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_001, 0x46, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b1_1111_101, 0x46, 0b11_001_010, 0x77]);
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_0111_001, 0x4c, 0b11_001_010, 0x77], "vpblendvb xmm9, xmm8, xmm10, xmm7");
-    test_avx2(&[0xc4, 0b000_00011, 0b0_0111_101, 0x4c, 0b11_001_010, 0x77], "vpblendvb ymm9, ymm8, ymm10, ymm7");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_001, 0x4c, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_101, 0x4c, 0b11_001_010, 0x77]);
-
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x60, 0b11_001_010, 0x77], "vpcmpestrm xmm9, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x60, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x60, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x60, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x61, 0b11_001_010, 0x77], "vpcmpestri xmm9, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x61, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x61, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x61, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x62, 0b11_001_010, 0x77], "vpcmpistrm xmm9, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x62, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x62, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x62, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00011, 0b0_1111_001, 0x63, 0b11_001_010, 0x77], "vpcmpistri xmm9, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b0_1111_101, 0x63, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_001, 0x63, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b0_0111_101, 0x63, 0b11_001_010, 0x77]);
-
-    test_instr_vex_aesni(&[0xc4, 0b000_00011, 0b1_1111_001, 0xdf, 0b11_001_010, 0x77], "vaeskeygenassist xmm9, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_001, 0xdf, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00011, 0b1_0111_101, 0xdf, 0b11_001_010, 0x77]);
-
-    // prefix 02
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x00, 0b11_001_010], "vpshufb xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x00, 0b11_001_010], "vpshufb ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x01, 0b11_001_010], "vphaddw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x01, 0b11_001_010], "vphaddw ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x02, 0b11_001_010], "vphaddd xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x02, 0b11_001_010], "vphaddd ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x03, 0b11_001_010], "vphaddsw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x03, 0b11_001_010], "vphaddsw ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x04, 0b11_001_010], "vpmaddubsw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x04, 0b11_001_010], "vpmaddubsw ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x05, 0b11_001_010], "vphsubw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x05, 0b11_001_010], "vphsubw ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x06, 0b11_001_010], "vphsubd xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x06, 0b11_001_010], "vphsubd ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x07, 0b11_001_010], "vphsubsw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x07, 0b11_001_010], "vphsubsw ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x08, 0b11_001_010], "vpsignb xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x08, 0b11_001_010], "vpsignb ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x09, 0b11_001_010], "vpsignw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x09, 0b11_001_010], "vpsignw ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x0a, 0b11_001_010], "vpsignd xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x0a, 0b11_001_010], "vpsignd ymm9, ymm0, ymm10");
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x0b, 0b11_001_010], "vpmulhrsw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x0b, 0b11_001_010], "vpmulhrsw ymm9, ymm0, ymm10");
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x0c, 0b11_001_010], "vpermilps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_101, 0x0c, 0b11_001_010], "vpermilps ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x0d, 0b11_001_010], "vpermilpd xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_101, 0x0d, 0b11_001_010], "vpermilpd ymm9, ymm8, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_001, 0x0d, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0x0d, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x0e, 0b11_001_010], "vtestps xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x0e, 0b11_001_010], "vtestps ymm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x0e, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x0f, 0b11_001_010], "vtestpd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x0f, 0b11_001_010], "vtestpd ymm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x0f, 0b11_001_010]);
-    test_instr_vex_f16c(&[0xc4, 0b111_00010, 0b0_1111_001, 0x13, 0b11_001_010], "vcvtph2ps xmm1, xmm2");
-    test_invalid(&[0xc4, 0b111_00010, 0b1_1111_001, 0x13, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x16, 0b11_001_010], "vpermps ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x16, 0b00_001_010], "vpermps ymm9, ymm0, ymmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_1111_001, 0x16, 0b00_011_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x16, 0b00_011_010]);
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x17, 0b11_001_010], "vptest xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x17, 0b11_001_010], "vptest ymm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x17, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x17, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x18, 0b00_001_010], "vbroadcastss xmm9, dword [r10]");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x18, 0b00_001_010], "vbroadcastss ymm9, dword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_001, 0x18, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x18, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x19, 0b00_001_010], "vbroadcastsd ymm9, qword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x19, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0x19, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x1a, 0b00_001_010], "vbroadcastf128 ymm9, xmmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x1a, 0b00_001_010]); // vex.w=1 is invalid
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0x1a, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_001, 0x1a, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x5a, 0b00_001_010], "vbroadcasti128 ymm9, xmmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_1111_101, 0x5a, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_1111_001, 0x5a, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x5a, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x18, 0b11_001_010], "vbroadcastss xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x18, 0b11_001_010], "vbroadcastss ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x18, 0b00_001_010], "vbroadcastss ymm9, dword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_001, 0x18, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0x18, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b111_00010, 0b0_1111_001, 0x19, 0b11_001_010]); // "vbroadcastsd xmm, xmm" is not legal (L!=0)
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x19, 0b11_001_010], "vbroadcastsd ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x19, 0b00_001_010], "vbroadcastsd ymm9, qword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x19, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0x19, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_001, 0x19, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_001, 0x1a, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0x1a, 0b11_001_010]);
-
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x1c, 0b11_001_010], "vpabsb xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x1c, 0b11_001_010], "vpabsb ymm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x1c, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x1d, 0b11_001_010], "vpabsw xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x1d, 0b11_001_010], "vpabsw ymm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x1d, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x1e, 0b11_001_010], "vpabsd xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x1e, 0b11_001_010], "vpabsd ymm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x1e, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x20, 0b11_001_010], "vpmovsxbw xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x20, 0b11_001_010], "vpmovsxbw ymm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x20, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x21, 0b11_001_010], "vpmovsxbd xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x21, 0b11_001_010], "vpmovsxbd ymm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x21, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x22, 0b11_001_010], "vpmovsxbq xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x22, 0b11_001_010], "vpmovsxbq ymm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x22, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x23, 0b11_001_010], "vpmovsxwd xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x23, 0b11_001_010], "vpmovsxwd ymm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x23, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x24, 0b11_001_010], "vpmovsxwq xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x24, 0b11_001_010], "vpmovsxwq ymm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x24, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x25, 0b11_001_010], "vpmovsxdq xmm9, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x25, 0b11_001_010], "vpmovsxdq ymm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x25, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x28, 0b11_001_010], "vpmuldq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x28, 0b11_001_010], "vpmuldq ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x29, 0b11_001_010], "vpcmpeqq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x29, 0b11_001_010], "vpcmpeqq ymm9, ymm8, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x2a, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x2a, 0b00_001_010], "vmovntdqa xmm9, xmmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x2a, 0b00_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x2a, 0b00_001_010], "vmovntdqa ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x2b, 0b11_001_010], "vpackusdw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2b, 0b11_001_010], "vpackusdw ymm9, ymm8, ymm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2b, 0b00_001_010], "vpackusdw ymm9, ymm8, ymmword [r10]");
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x2c, 0b00_001_010], "vmaskmovps xmm9, xmm8, xmmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2c, 0b11_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2c, 0b00_001_010], "vmaskmovps ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x2d, 0b00_001_010], "vmaskmovpd xmm9, xmm8, xmmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2d, 0b11_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2d, 0b00_001_010], "vmaskmovpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x2e, 0b00_001_010], "vmaskmovps xmmword [r10], xmm8, xmm9");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2e, 0b11_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2e, 0b00_001_010], "vmaskmovps ymmword [r10], ymm8, ymm9");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x2f, 0b00_001_010], "vmaskmovpd xmmword [r10], xmm8, xmm9");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2f, 0b11_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x2f, 0b00_001_010], "vmaskmovpd ymmword [r10], ymm8, ymm9");
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x30, 0b11_001_010], "vpmovzxbw xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x30, 0b11_001_010], "vpmovzxbw ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x31, 0b11_001_010], "vpmovzxbd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x31, 0b11_001_010], "vpmovzxbd ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x32, 0b11_001_010], "vpmovzxbq xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x32, 0b11_001_010], "vpmovzxbq ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x33, 0b11_001_010], "vpmovzxwd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x33, 0b11_001_010], "vpmovzxwd ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x34, 0b11_001_010], "vpmovzxwq xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x34, 0b11_001_010], "vpmovzxwq ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x35, 0b11_001_010], "vpmovzxdq xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_101, 0x35, 0b11_001_010], "vpmovzxdq ymm9, xmm10");
-
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x30, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x30, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x31, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x31, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x32, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x32, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x33, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x33, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x34, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x34, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x35, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x35, 0b11_001_010]);
-
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x36, 0b11_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x36, 0b11_001_010], "vpermd ymm9, ymm8, ymm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x36, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x37, 0b11_001_010], "vpcmpgtq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x37, 0b11_001_010], "vpcmpgtq ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x38, 0b11_001_010], "vpminsb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x38, 0b11_001_010], "vpminsb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x39, 0b11_001_010], "vpminsd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x39, 0b11_001_010], "vpminsd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x3a, 0b11_001_010], "vpminuw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x3a, 0b11_001_010], "vpminuw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x3b, 0b11_001_010], "vpminud xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x3b, 0b11_001_010], "vpminud ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x3c, 0b11_001_010], "vpmaxsb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x3c, 0b11_001_010], "vpmaxsb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x3d, 0b11_001_010], "vpmaxsd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x3d, 0b11_001_010], "vpmaxsd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x3e, 0b11_001_010], "vpmaxuw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x3e, 0b11_001_010], "vpmaxuw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x3f, 0b11_001_010], "vpmaxud xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x3f, 0b11_001_010], "vpmaxud ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_0111_001, 0x40, 0b11_001_010], "vpmulld xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_0111_101, 0x40, 0b11_001_010], "vpmulld ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00010, 0b0_1111_001, 0x41, 0b11_001_010], "vphminposuw xmm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_001, 0x41, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0x41, 0b11_001_010]);
-// TODO: should something be at opcode 42 here?
-//    test_instr(&[0xc4, 0b000_00010, 0b1_0111_001, 0x42, 0b11_001_010], "vphminposuw xmm");
-//    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0x41, 0b11_001_010]);
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x45, 0b00_001_010], "vpsrlvd xmm9, xmm0, xmmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x45, 0b00_001_010], "vpsrlvd ymm9, ymm0, ymmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x45, 0b11_001_010], "vpsrlvd xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x45, 0b11_001_010], "vpsrlvd ymm9, ymm0, ymm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x45, 0b00_001_010], "vpsrlvq xmm9, xmm0, xmmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x45, 0b00_001_010], "vpsrlvq ymm9, ymm0, ymmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x45, 0b11_001_010], "vpsrlvq xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x45, 0b11_001_010], "vpsrlvq ymm9, ymm0, ymm10");
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x46, 0b00_001_010], "vpsravd xmm9, xmm0, xmmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x46, 0b00_001_010], "vpsravd ymm9, ymm0, ymmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_001, 0x46, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_1111_101, 0x46, 0b00_001_010]);
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x47, 0b00_001_010], "vpsllvd xmm9, xmm0, xmmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x47, 0b00_001_010], "vpsllvd ymm9, ymm0, ymmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x47, 0b11_001_010], "vpsllvd xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x47, 0b11_001_010], "vpsllvd ymm9, ymm0, ymm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x47, 0b00_001_010], "vpsllvq xmm9, xmm0, xmmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x47, 0b00_001_010], "vpsllvq ymm9, ymm0, ymmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x47, 0b11_001_010], "vpsllvq xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x47, 0b11_001_010], "vpsllvq ymm9, ymm0, ymm10");
-
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_001, 0x58, 0b11_000_001], "vpbroadcastd xmm0, xmm1");
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_101, 0x58, 0b11_000_001], "vpbroadcastd ymm0, ymm1");
-    test_invalid(&[0xc4, 0b111_00010, 0b1_1111_001, 0x58, 0b11_000_001]);
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_001, 0x59, 0b11_000_001], "vpbroadcastq xmm0, xmm1");
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_101, 0x59, 0b11_000_001], "vpbroadcastq ymm0, ymm1");
-    test_invalid(&[0xc4, 0b111_00010, 0b1_1111_001, 0x59, 0b11_000_001]);
-
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_001, 0x78, 0b11_000_001], "vpbroadcastb xmm0, xmm1");
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_101, 0x78, 0b11_000_001], "vpbroadcastb ymm0, ymm1");
-    test_invalid(&[0xc4, 0b111_00010, 0b1_1111_001, 0x78, 0b11_000_001]);
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_001, 0x79, 0b11_000_001], "vpbroadcastw xmm0, xmm1");
-    test_avx2(&[0xc4, 0b111_00010, 0b0_1111_101, 0x79, 0b11_000_001], "vpbroadcastw ymm0, ymm1");
-    test_invalid(&[0xc4, 0b111_00010, 0b1_1111_001, 0x79, 0b11_000_001]);
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x8c, 0b00_001_010], "vpmaskmovd xmm9, xmm0, xmmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x8c, 0b00_001_010], "vpmaskmovd ymm9, ymm0, ymmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_1111_001, 0x8c, 0b11_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x8c, 0b00_001_010], "vpmaskmovq xmm9, xmm0, xmmword [r10]");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x8c, 0b00_001_010], "vpmaskmovq ymm9, ymm0, ymmword [r10]");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_1111_001, 0x8c, 0b11_001_010]);
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x8e, 0b00_001_010], "vpmaskmovd xmmword [r10], xmm0, xmm9");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x8e, 0b00_001_010], "vpmaskmovd ymmword [r10], ymm0, ymm9");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_1111_001, 0x8e, 0b11_001_010]);
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x8e, 0b00_001_010], "vpmaskmovq xmmword [r10], xmm0, xmm9");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x8e, 0b00_001_010], "vpmaskmovq ymmword [r10], ymm0, ymm9");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_1111_001, 0x8e, 0b11_001_010]);
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x90, 0b00_000_100, 0xa1], "vpgatherdd xmm8, dword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x90, 0b00_000_100, 0xa1], "vpgatherdd ymm8, dword [r9 + ymm12 * 4], ymm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x90, 0b00_000_100, 0xa1], "vpgatherdq xmm8, qword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x90, 0b00_000_100, 0xa1], "vpgatherdq ymm8, qword [r9 + xmm12 * 4], ymm0");
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x91, 0b00_000_100, 0xa1], "vpgatherqd xmm8, dword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x91, 0b00_000_100, 0xa1], "vpgatherqd xmm8, dword [r9 + ymm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x91, 0b00_000_100, 0xa1], "vpgatherqq xmm8, qword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x91, 0b00_000_100, 0xa1], "vpgatherqq ymm8, qword [r9 + ymm12 * 4], ymm0");
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x92, 0b00_000_100, 0xa1], "vgatherdps xmm8, dword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x92, 0b00_000_100, 0xa1], "vgatherdps ymm8, dword [r9 + ymm12 * 4], ymm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x92, 0b00_000_100, 0xa1], "vgatherdpd xmm8, qword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x92, 0b00_000_100, 0xa1], "vgatherdpd ymm8, qword [r9 + ymm12 * 4], ymm0");
-
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_001, 0x93, 0b00_000_100, 0xa1], "vgatherqps xmm8, dword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b0_1111_101, 0x93, 0b00_000_100, 0xa1], "vgatherqps xmm8, dword [r9 + ymm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_001, 0x93, 0b00_000_100, 0xa1], "vgatherqpd xmm8, qword [r9 + xmm12 * 4], xmm0");
-    test_avx2(&[0xc4, 0b000_00010, 0b1_1111_101, 0x93, 0b00_000_100, 0xa1], "vgatherqpd ymm8, qword [r9 + ymm12 * 4], ymm0");
-
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b0_1111_001, 0xdb, 0b11_001_010], "vaesimc xmm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00010, 0b0_0111_101, 0xdb, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00010, 0b1_0111_101, 0xdb, 0b11_001_010]);
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_001, 0xdc, 0b11_001_010], "vaesenc xmm9, xmm8, xmm10");
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_101, 0xdc, 0b11_001_010], "vaesenc ymm9, ymm8, ymm10");
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_001, 0xdd, 0b11_001_010], "vaesenclast xmm9, xmm8, xmm10");
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_101, 0xdd, 0b11_001_010], "vaesenclast ymm9, ymm8, ymm10");
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_001, 0xde, 0b11_001_010], "vaesdec xmm9, xmm8, xmm10");
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_101, 0xde, 0b11_001_010], "vaesdec ymm9, ymm8, ymm10");
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_001, 0xdf, 0b11_001_010], "vaesdeclast xmm9, xmm8, xmm10");
-    test_instr_vex_aesni(&[0xc4, 0b000_00010, 0b1_0111_101, 0xdf, 0b11_001_010], "vaesdeclast ymm9, ymm8, ymm10");
-
-    // prefix 01
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0x10, 0b00_001_010], "vmovsd xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x10, 0b00_001_010], "vmovsd xmm9, qword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_011, 0x10, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_111, 0x10, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x10, 0b00_001_010], "vmovupd xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x10, 0b00_001_010], "vmovupd ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x11, 0b00_001_010], "vmovupd xmmword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x11, 0b00_001_010], "vmovupd ymmword [r10], ymm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0x11, 0b00_001_010], "vmovsd qword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x11, 0b00_001_010], "vmovsd qword [r10], xmm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_011, 0x11, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_111, 0x11, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x10, 0b00_001_010], "vmovupd xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x10, 0b00_001_010], "vmovupd ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x11, 0b00_001_010], "vmovupd xmmword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x11, 0b00_001_010], "vmovupd ymmword [r10], ymm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x10, 0b00_001_010], "vmovss xmm9, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x10, 0b00_001_010], "vmovss xmm9, dword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_010, 0x10, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_110, 0x10, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x10, 0b00_001_010], "vmovups xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x10, 0b00_001_010], "vmovups ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x11, 0b00_001_010], "vmovups xmmword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x11, 0b00_001_010], "vmovups ymmword [r10], ymm9");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x11, 0b11_001_010], "vmovsd xmm10, xmm8, xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x11, 0b11_001_010], "vmovsd xmm10, xmm8, xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x11, 0b00_001_010], "vmovss dword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x11, 0b00_001_010], "vmovss dword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x11, 0b00_001_010], "vmovups xmmword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x11, 0b00_001_010], "vmovups ymmword [r10], ymm9");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_011, 0x12, 0b00_001_010], "vmovddup xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_111, 0x12, 0b00_001_010], "vmovddup ymm9, ymmword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_011, 0x12, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_111, 0x12, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x12, 0b11_001_010], "vmovhlps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x12, 0b00_001_010], "vmovlps xmm9, xmm8, qword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_100, 0x12, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_111, 0x12, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x12, 0b00_001_010], "vmovsldup xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x12, 0b00_001_010], "vmovsldup ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x12, 0b00_001_010], "vmovsldup xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x12, 0b00_001_010], "vmovsldup ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x12, 0b00_001_010], "vmovlpd xmm9, xmm8, qword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_101, 0x12, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x13, 0b00_001_010], "vmovlpd qword [r10], xmm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_001, 0x13, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_101, 0x13, 0b00_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_000, 0x14, 0b00_001_010], "vunpcklps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_100, 0x14, 0b00_001_010], "vunpcklps ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x14, 0b00_001_010], "vunpcklpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_101, 0x14, 0b00_001_010], "vunpcklpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_000, 0x15, 0b00_001_010], "vunpckhps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_100, 0x15, 0b00_001_010], "vunpckhps ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x15, 0b00_001_010], "vunpckhpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_101, 0x15, 0b00_001_010], "vunpckhpd ymm9, ymm8, ymmword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x16, 0b11_001_010], "vmovshdup xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x16, 0b11_001_010], "vmovshdup ymm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_010, 0x16, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_110, 0x16, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x16, 0b00_001_010], "vmovhps xmm9, xmm8, qword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_100, 0x16, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x16, 0b00_001_010], "vmovhpd xmm9, xmm8, qword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_101, 0x16, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_001, 0x16, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x17, 0b00_001_010], "vmovhps qword [r10], xmm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_100, 0x17, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_000, 0x17, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_100, 0x17, 0b00_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x17, 0b00_001_010], "vmovhpd qword [r10], xmm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_001, 0x17, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0x17, 0b00_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_000, 0x28, 0b11_001_010], "vmovaps xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x28, 0b11_001_010], "vmovaps ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_000, 0x29, 0b11_001_010], "vmovaps xmm10, xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x29, 0b11_001_010], "vmovaps ymm10, ymm9");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x28, 0b11_001_010], "vmovapd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x28, 0b11_001_010], "vmovapd ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x29, 0b11_001_010], "vmovapd xmm10, xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x29, 0b11_001_010], "vmovapd ymm10, ymm9");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x2a, 0b11_001_010], "vcvtsi2ss xmm9, xmm0, r10d");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x2a, 0b00_001_010], "vcvtsi2ss xmm9, xmm0, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x2a, 0b11_001_010], "vcvtsi2ss xmm9, xmm0, r10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x2a, 0b00_001_010], "vcvtsi2ss xmm9, xmm0, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x2a, 0b11_001_010], "vcvtsi2ss xmm9, xmm0, r10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_011, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, r10d");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_111, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, r10d");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, r10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_011, 0x2a, 0b00_001_010], "vcvtsi2sd xmm9, xmm0, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0x2a, 0b00_001_010], "vcvtsi2sd xmm9, xmm0, qword [r10]");
-    test_instr(&[0xc5, 0b0_1111_011, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, edx");
-    test_instr(&[0xc5, 0b0_1111_111, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, edx");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_000, 0x2b, 0b00_001_010], "vmovntps xmmword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x2b, 0b00_001_010], "vmovntps ymmword [r10], ymm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_000, 0x2b, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_100, 0x2b, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x2b, 0b00_001_010], "vmovntpd xmmword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x2b, 0b00_001_010], "vmovntpd ymmword [r10], ymm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_001, 0x2b, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0x2b, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x2c, 0b11_001_010], "vcvttss2si r9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x2c, 0b00_001_010], "vcvttss2si r9d, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x2c, 0b00_001_010], "vcvttss2si r9, dword [r10]");
-    test_instr(&[0xc5, 0b0_1111_010, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm2");
-    test_instr(&[0xc5, 0b0_1111_010, 0x2c, 0b00_001_010], "vcvttss2si r9d, dword [rdx]");
-    test_instr(&[0xc5, 0b0_1111_110, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm2");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_011, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_111, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x2c, 0b11_001_010], "vcvttsd2si r9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x2c, 0b00_001_010], "vcvttsd2si r9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_111, 0x2c, 0b00_001_010], "vcvttsd2si r9d, qword [r10]");
-    test_instr(&[0xc5, 0b0_1111_011, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm2");
-    test_instr(&[0xc5, 0b0_1111_111, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm2");
-    test_instr(&[0xc5, 0b0_1111_111, 0x2c, 0b00_001_010], "vcvttsd2si r9d, qword [rdx]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x2d, 0b00_001_010], "vcvtss2si r9d, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x2d, 0b00_001_010], "vcvtss2si r9, dword [r10]");
-    test_instr(&[0xc5, 0b0_1111_010, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm2");
-    test_instr(&[0xc5, 0b0_1111_110, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm2");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_011, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_011, 0x2d, 0b00_001_010], "vcvtsd2si r9d, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_111, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_111, 0x2d, 0b00_001_010], "vcvtsd2si r9d, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x2d, 0b11_001_010], "vcvtsd2si r9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0x2d, 0b00_001_010], "vcvtsd2si r9, qword [r10]");
-    test_instr(&[0xc5, 0b0_1111_011, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm2");
-    test_instr(&[0xc5, 0b0_1111_111, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm2");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x2e, 0b00_001_010], "vucomisd xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x2e, 0b00_001_010], "vucomisd xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x2e, 0b11_001_010], "vucomisd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x2e, 0b11_001_010], "vucomisd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x2f, 0b00_001_010], "vcomisd xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x2f, 0b00_001_010], "vcomisd xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x2f, 0b11_001_010], "vcomisd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x2f, 0b11_001_010], "vcomisd xmm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_001, 0x2e, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_101, 0x2e, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_001, 0x2e, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_101, 0x2e, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_001, 0x2f, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_101, 0x2f, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_001, 0x2f, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_0111_101, 0x2f, 0b11_001_010]);
-
-    test_instr(&[0xc5, 0b0_1111_000, 0x2e, 0b11_001_010], "vucomiss xmm9, xmm2");
-    test_instr(&[0xc5, 0b0_1111_100, 0x2e, 0b00_001_010], "vucomiss xmm9, dword [rdx]");
-    test_instr(&[0xc5, 0b0_1111_000, 0x2f, 0b11_001_010], "vcomiss xmm9, xmm2");
-    test_instr(&[0xc5, 0b0_1111_100, 0x2f, 0b00_001_010], "vcomiss xmm9, dword [rdx]");
-    test_invalid(&[0xc5, 0b0_1111_111, 0x2f, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x50, 0b11_001_010], "vmovmskps r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x50, 0b11_001_010], "vmovmskps r9d, ymm10");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_000, 0x50, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_100, 0x50, 0b00_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x50, 0b11_001_010], "vmovmskpd r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x50, 0b11_001_010], "vmovmskpd r9d, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x50, 0b11_001_010], "vmovmskpd r9d, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x50, 0b11_001_010], "vmovmskpd r9d, ymm10");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_001, 0x50, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_101, 0x50, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_001, 0x50, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_101, 0x50, 0b00_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x51, 0b00_001_010], "vsqrtpd xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x51, 0b00_001_010], "vsqrtpd ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_011, 0x51, 0b00_001_010], "vsqrtsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_111, 0x51, 0b00_001_010], "vsqrtsd xmm9, xmm8, qword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x51, 0b00_001_010], "vsqrtps xmm9, xmmword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_000, 0x51, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x51, 0b00_001_010], "vsqrtps ymm9, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x51, 0b00_001_010], "vsqrtss xmm9, xmm0, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x51, 0b00_001_010], "vsqrtss xmm9, xmm0, dword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x52, 0b11_001_010], "vrsqrtps xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x52, 0b11_001_010], "vrsqrtps ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x52, 0b11_001_010], "vrsqrtss xmm9, xmm0, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x52, 0b11_001_010], "vrsqrtss xmm9, xmm0, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x53, 0b11_001_010], "vrcpps xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x53, 0b11_001_010], "vrcpps ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x53, 0b11_001_010], "vrcpss xmm9, xmm0, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x53, 0b11_001_010], "vrcpss xmm9, xmm0, xmm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x54, 0b11_001_010], "vandps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x54, 0b11_001_010], "vandps ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x55, 0b11_001_010], "vandnps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x55, 0b11_001_010], "vandnps ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x54, 0b00_001_010], "vandpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x54, 0b00_001_010], "vandpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x55, 0b00_001_010], "vandnpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x55, 0b00_001_010], "vandnpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x56, 0b00_001_010], "vorpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x56, 0b00_001_010], "vorpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x56, 0b00_001_010], "vorps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x56, 0b00_001_010], "vorps ymm9, ymm8, ymmword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x57, 0b11_001_010], "vxorps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x57, 0b11_001_010], "vxorps ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x57, 0b11_001_010], "vxorpd xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x57, 0b11_001_010], "vxorpd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x58, 0b11_001_010], "vaddps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x58, 0b11_001_010], "vaddps ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_010, 0x58, 0b11_001_010], "vaddss xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_110, 0x58, 0b11_001_010], "vaddss xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_010, 0x58, 0b00_001_010], "vaddss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_110, 0x58, 0b00_001_010], "vaddss xmm9, xmm8, dword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x58, 0b00_001_010], "vaddpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x58, 0b00_001_010], "vaddpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x58, 0b00_001_010], "vaddsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x58, 0b00_001_010], "vaddsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x59, 0b00_001_010], "vmulps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x59, 0b00_001_010], "vmulps ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x59, 0b00_001_010], "vmulpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x59, 0b00_001_010], "vmulpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_010, 0x59, 0b00_001_010], "vmulss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_110, 0x59, 0b00_001_010], "vmulss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x59, 0b00_001_010], "vmulsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x59, 0b00_001_010], "vmulsd xmm9, xmm8, qword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x5a, 0b11_001_010], "vcvtps2pd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x5a, 0b11_001_010], "vcvtps2pd ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x5a, 0b00_001_010], "vcvtps2pd xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x5a, 0b00_001_010], "vcvtps2pd ymm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x5a, 0b11_001_010], "vcvtpd2ps xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x5a, 0b11_001_010], "vcvtpd2ps xmm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0x5a, 0b11_001_010], "vcvtsd2ss xmm9, xmm0, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x5a, 0b11_001_010], "vcvtsd2ss xmm9, xmm0, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_011, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_111, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x5a, 0b11_001_010], "vcvtss2sd xmm9, xmm0, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x5a, 0b11_001_010], "vcvtss2sd xmm9, xmm0, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x5b, 0b11_001_010], "vcvtps2dq xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x5b, 0b11_001_010], "vcvtps2dq ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x5b, 0b11_001_010], "vcvttps2dq xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0x5b, 0b11_001_010], "vcvttps2dq ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x5b, 0b11_001_010], "vcvtdq2ps xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_000, 0x5b, 0b00_001_010], "vcvtdq2ps xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x5b, 0b11_001_010], "vcvtdq2ps ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_100, 0x5b, 0b00_001_010], "vcvtdq2ps ymm9, ymmword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_000, 0x5c, 0b00_001_010], "vsubps xmm9, xmm0, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_100, 0x5c, 0b00_001_010], "vsubps ymm9, ymm0, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_010, 0x5c, 0b00_001_010], "vsubss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_110, 0x5c, 0b00_001_010], "vsubss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x5c, 0b00_001_010], "vsubpd xmm9, xmm0, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x5c, 0b00_001_010], "vsubpd ymm9, ymm0, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_011, 0x5c, 0b00_001_010], "vsubsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_111, 0x5c, 0b00_001_010], "vsubsd xmm9, xmm8, qword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x5d, 0b00_001_010], "vminps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x5d, 0b00_001_010], "vminps ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_010, 0x5d, 0b00_001_010], "vminss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_110, 0x5d, 0b00_001_010], "vminss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x5d, 0b00_001_010], "vminpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x5d, 0b00_001_010], "vminpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x5d, 0b00_001_010], "vminsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x5d, 0b00_001_010], "vminsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x5e, 0b00_001_010], "vdivps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x5e, 0b00_001_010], "vdivps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x5e, 0b00_001_010], "vdivpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_010, 0x5e, 0b00_001_010], "vdivss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x5e, 0b00_001_010], "vdivsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x5e, 0b00_001_010], "vdivps ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x5e, 0b00_001_010], "vdivpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_110, 0x5e, 0b00_001_010], "vdivss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x5e, 0b00_001_010], "vdivsd xmm9, xmm8, qword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0x5f, 0b00_001_010], "vmaxps xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x5f, 0b00_001_010], "vmaxpd xmm9, xmm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_010, 0x5f, 0b00_001_010], "vmaxss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x5f, 0b00_001_010], "vmaxsd xmm9, xmm8, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0x5f, 0b00_001_010], "vmaxps ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x5f, 0b00_001_010], "vmaxpd ymm9, ymm8, ymmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_110, 0x5f, 0b00_001_010], "vmaxss xmm9, xmm8, dword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x5f, 0b00_001_010], "vmaxsd xmm9, xmm8, qword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x60, 0b11_001_010], "vpunpcklbw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x60, 0b11_001_010], "vpunpcklbw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x61, 0b11_001_010], "vpunpcklwd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x61, 0b11_001_010], "vpunpcklwd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x62, 0b11_001_010], "vpunpckldq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x62, 0b11_001_010], "vpunpckldq ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x63, 0b11_001_010], "vpacksswb xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_101, 0x63, 0b11_001_010], "vpacksswb ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x64, 0b11_001_010], "vpcmpgtb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x64, 0b11_001_010], "vpcmpgtb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x65, 0b11_001_010], "vpcmpgtw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x65, 0b11_001_010], "vpcmpgtw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x66, 0b11_001_010], "vpcmpgtd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x66, 0b11_001_010], "vpcmpgtd ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x67, 0b11_001_010], "vpackuswb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x67, 0b11_001_010], "vpackuswb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x68, 0b11_001_010], "vpunpckhbw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x68, 0b11_001_010], "vpunpckhbw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x69, 0b11_001_010], "vpunpckhwd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x69, 0b11_001_010], "vpunpckhwd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x6a, 0b11_001_010], "vpunpckhdq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x6a, 0b11_001_010], "vpunpckhdq ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0x6b, 0b11_001_010], "vpackssdw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0x6b, 0b11_001_010], "vpackssdw ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x6c, 0b11_001_010], "vpunpcklqdq xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x6c, 0b11_001_010], "vpunpcklqdq ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x6d, 0b11_001_010], "vpunpckhqdq xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x6d, 0b11_001_010], "vpunpckhqdq ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x6e, 0b11_001_010], "vmovq xmm9, r10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x6e, 0b00_001_010], "vmovq xmm9, qword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0xd6, 0b00_001_010], "vmovq qword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0xd6, 0b11_001_010], "vmovq xmm10, xmm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0x6e, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x6f, 0b11_001_010], "vmovdqa xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x6f, 0b11_001_010], "vmovdqa ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x6f, 0b11_001_010], "vmovdqu xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x6f, 0b11_001_010], "vmovdqu ymm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x70, 0b11_001_010, 0x77], "vpshufd xmm9, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x70, 0b11_001_010, 0x77], "vpshufd ymm9, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0x70, 0b11_001_010, 0x77], "vpshufhw xmm9, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_110, 0x70, 0b11_001_010, 0x77], "vpshufhw ymm9, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0x70, 0b11_001_010, 0x77], "vpshuflw xmm9, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_111, 0x70, 0b11_001_010, 0x77], "vpshuflw ymm9, ymm10, 0x77");
-
-
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_010_010, 0x77], "vpsrlw xmm0, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x71, 0b11_010_010, 0x77], "vpsrlw xmm8, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x71, 0b11_010_010, 0x77], "vpsrlw ymm0, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b00_011_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_100_010, 0x77], "vpsraw xmm0, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x71, 0b11_100_010, 0x77], "vpsraw ymm0, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_101_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_110_010, 0x77], "vpsllw xmm0, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x71, 0b11_110_010, 0x77], "vpsllw ymm0, ymm10, 0x77");
-
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_000_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b11_010_010, 0x77], "vpsrld xmm0, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_010_010, 0x77], "vpsrld ymm0, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_011_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b11_100_010, 0x77], "vpsrad xmm0, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_100_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_100_010, 0x77], "vpsrad ymm0, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_101_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b11_110_010, 0x77], "vpslld xmm0, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_110_010, 0x77]);
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_110_010, 0x77], "vpslld ymm0, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_111_010, 0x77]);
-
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_000_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_010_010, 0x77], "vpsrlq xmm0, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_011_010, 0x77], "vpsrldq xmm0, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_010_010, 0x77], "vpsrlq ymm0, ymm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_011_010, 0x77], "vpsrldq ymm0, ymm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_100_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_101_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_110_010, 0x77], "vpsllq xmm0, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_111_010, 0x77], "vpslldq xmm0, xmm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_110_010, 0x77], "vpsllq ymm0, ymm10, 0x77");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_111_010, 0x77], "vpslldq ymm0, ymm10, 0x77");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x74, 0b11_001_010], "vpcmpeqb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0x74, 0b11_001_010], "vpcmpeqb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x75, 0b11_001_010], "vpcmpeqw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0x75, 0b11_001_010], "vpcmpeqw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x76, 0b11_001_010], "vpcmpeqd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0x76, 0b11_001_010], "vpcmpeqd ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x7c, 0b11_001_010], "vhaddpd xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x7c, 0b11_001_010], "vhaddpd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x7c, 0b11_001_010], "vhaddps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x7c, 0b11_001_010], "vhaddps ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0x7d, 0b11_001_010], "vhsubpd xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0x7d, 0b11_001_010], "vhsubpd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0x7d, 0b11_001_010], "vhsubps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0x7d, 0b11_001_010], "vhsubps ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x7e, 0b11_001_010], "vmovd r10d, xmm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_101, 0x7e, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0x7e, 0b11_001_010], "vmovq r10, xmm9");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0x7e, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0x7f, 0b11_001_010], "vmovdqa xmm10, xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_101, 0x7f, 0b11_001_010], "vmovdqa ymm10, ymm9");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_010, 0x7f, 0b11_001_010], "vmovdqu xmm10, xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_110, 0x7f, 0b11_001_010], "vmovdqu ymm10, ymm9");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b00_010_001], "vldmxcsr dword [r9]");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_100, 0xae, 0b00_010_001]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b11_010_001]);
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b00_011_001], "vstmxcsr dword [r9]");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_100, 0xae, 0b00_011_001]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b11_011_001]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_000, 0xc2, 0b11_001_010, 0x77], "vcmpps xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_100, 0xc2, 0b11_001_010, 0x77], "vcmpps ymm9, ymm8, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xc2, 0b11_001_010, 0x77], "vcmppd xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0xc2, 0b11_001_010, 0x77], "vcmppd ymm9, ymm8, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0xc2, 0b11_001_010, 0x77], "vcmpsd xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0xc2, 0b11_001_010, 0x77], "vcmpsd xmm9, xmm8, xmm10, 0x77");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xc4, 0b11_001_010, 0x77], "vpinsrw xmm9, xmm8, r10d, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0xc4, 0b11_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_001, 0xc5, 0b00_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0xc5, 0b11_001_010, 0x77], "vpextrw r9d, xmm10, 0x77");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0xc5, 0b00_001_010, 0x77]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0xc5, 0b11_001_010, 0x77]);
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xc6, 0b11_001_010, 0x77], "vshufpd xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_101, 0xc6, 0b11_001_010, 0x77], "vshufpd ymm9, ymm8, ymm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_000, 0xc6, 0b11_001_010, 0x77], "vshufps xmm9, xmm8, xmm10, 0x77");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_100, 0xc6, 0b11_001_010, 0x77], "vshufps ymm9, ymm8, ymm10, 0x77");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xd0, 0b11_001_010], "vaddsubpd xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd0, 0b11_001_010], "vaddsubpd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_011, 0xd0, 0b11_001_010], "vaddsubps xmm9, xmm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_111, 0xd0, 0b11_001_010], "vaddsubps ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xd1, 0b11_001_010], "vpsrlw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd1, 0b11_001_010], "vpsrlw ymm9, ymm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd1, 0b00_001_010], "vpsrlw ymm9, ymm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xd2, 0b11_001_010], "vpsrld xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd2, 0b11_001_010], "vpsrld ymm9, ymm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd2, 0b00_001_010], "vpsrld ymm9, ymm8, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xd3, 0b11_001_010], "vpsrlq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd3, 0b11_001_010], "vpsrlq ymm9, ymm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd3, 0b00_001_010], "vpsrlq ymm9, ymm8, xmmword [r10]");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xd4, 0b11_001_010], "vpaddq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd4, 0b11_001_010], "vpaddq ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xd5, 0b11_001_010], "vpmullw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xd5, 0b11_001_010], "vpmullw ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_1111_001, 0xd7, 0b11_001_010], "vpmovmskb r9d, xmm10");
-    test_invalid(&[0xc4, 0b000_00001, 0b0_1111_001, 0xd7, 0b00_001_010]);
-    test_avx2(&[0xc4, 0b000_00001, 0b0_1111_101, 0xd7, 0b11_001_010], "vpmovmskb r9d, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xd8, 0b11_001_010], "vpsubusb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd8, 0b11_001_010], "vpsubusb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xd9, 0b11_001_010], "vpsubusw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xd9, 0b11_001_010], "vpsubusw ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xda, 0b11_001_010], "vpminub xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xda, 0b11_001_010], "vpminub ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xdb, 0b11_001_010], "vpand xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xdb, 0b11_001_010], "vpand ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xdc, 0b11_001_010], "vpaddusb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xdc, 0b11_001_010], "vpaddusb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xdd, 0b11_001_010], "vpaddusw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xdd, 0b11_001_010], "vpaddusw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xde, 0b11_001_010], "vpmaxub xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xde, 0b11_001_010], "vpmaxub ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xdf, 0b11_001_010], "vpandn xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xdf, 0b11_001_010], "vpandn ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe0, 0b11_001_010], "vpavgb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe0, 0b11_001_010], "vpavgb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe1, 0b11_001_010], "vpsraw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe1, 0b11_001_010], "vpsraw ymm9, ymm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe2, 0b11_001_010], "vpsrad xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe2, 0b11_001_010], "vpsrad ymm9, ymm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe3, 0b11_001_010], "vpavgw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe3, 0b11_001_010], "vpavgw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe4, 0b11_001_010], "vpmulhuw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe4, 0b11_001_010], "vpmulhuw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe5, 0b11_001_010], "vpmulhw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe5, 0b11_001_010], "vpmulhw ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0xe6, 0b11_001_010], "vcvttpd2dq xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0xe6, 0b11_001_010], "vcvttpd2dq xmm9, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_010, 0xe6, 0b11_001_010], "vcvtdq2pd xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_110, 0xe6, 0b11_001_010], "vcvtdq2pd ymm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0xe6, 0b11_001_010], "vcvtpd2dq xmm9, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0xe6, 0b11_001_010], "vcvtpd2dq xmm9, ymm10");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0xe7, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0xe7, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0xe7, 0b00_001_010], "vmovntdq xmmword [r10], xmm9");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_101, 0xe7, 0b00_001_010], "vmovntdq ymmword [r10], ymm9");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe8, 0b11_001_010], "vpsubsb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe8, 0b11_001_010], "vpsubsb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xe9, 0b11_001_010], "vpsubsw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xe9, 0b11_001_010], "vpsubsw ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xea, 0b11_001_010], "vpminsw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xea, 0b11_001_010], "vpminsw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xeb, 0b11_001_010], "vpor xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xeb, 0b11_001_010], "vpor ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xec, 0b11_001_010], "vpaddsb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xec, 0b11_001_010], "vpaddsb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xed, 0b11_001_010], "vpaddsw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xed, 0b11_001_010], "vpaddsw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xee, 0b11_001_010], "vpmaxsw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xee, 0b11_001_010], "vpmaxsw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b0_0111_001, 0xef, 0b11_001_010], "vpxor xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b0_0111_101, 0xef, 0b11_001_010], "vpxor ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_011, 0xf0, 0b00_001_010], "vlddqu xmm9, xmmword [r10]");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_111, 0xf0, 0b00_001_010], "vlddqu ymm9, ymmword [r10]");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_011, 0xf0, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_011, 0xf0, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_0111_111, 0xf0, 0b11_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_111, 0xf0, 0b11_001_010]);
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xf1, 0b11_001_010], "vpsllw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xf1, 0b11_001_010], "vpsllw ymm9, ymm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xf2, 0b11_001_010], "vpslld xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xf2, 0b11_001_010], "vpslld ymm9, ymm8, xmm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xf3, 0b11_001_010], "vpsllq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xf3, 0b11_001_010], "vpsllq ymm9, ymm8, xmm10");
-
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xf4, 0b11_001_010], "vpmuludq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xf4, 0b11_001_010], "vpmuludq ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0xf5, 0b11_001_010], "vpmaddwd xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0xf5, 0b11_001_010], "vpmaddwd ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0xf6, 0b11_001_010], "vpsadbw xmm9, xmm0, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_1111_101, 0xf6, 0b11_001_010], "vpsadbw ymm9, ymm0, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_1111_001, 0xf7, 0b11_001_010], "vmaskmovdqu xmm9, xmm10");
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_001, 0xf7, 0b00_001_010]);
-    test_invalid(&[0xc4, 0b000_00001, 0b1_1111_101, 0xf7, 0b11_001_010]);
-
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xf8, 0b11_001_010], "vpsubb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xf8, 0b11_001_010], "vpsubb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xf9, 0b11_001_010], "vpsubw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xf9, 0b11_001_010], "vpsubw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xfa, 0b11_001_010], "vpsubd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xfa, 0b11_001_010], "vpsubd ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xfb, 0b11_001_010], "vpsubq xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xfb, 0b11_001_010], "vpsubq ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xfc, 0b11_001_010], "vpaddb xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xfc, 0b11_001_010], "vpaddb ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xfd, 0b11_001_010], "vpaddw xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xfd, 0b11_001_010], "vpaddw ymm9, ymm8, ymm10");
-    test_instr(&[0xc4, 0b000_00001, 0b1_0111_001, 0xfe, 0b11_001_010], "vpaddd xmm9, xmm8, xmm10");
-    test_avx2(&[0xc4, 0b000_00001, 0b1_0111_101, 0xfe, 0b11_001_010], "vpaddd ymm9, ymm8, ymm10");
-
-    test_instr(&[0xc5, 0xf8, 0x10, 0x00], "vmovups xmm0, xmmword [rax]");
-    test_instr(&[0xc5, 0xf8, 0x10, 0x01], "vmovups xmm0, xmmword [rcx]");
-    test_instr(&[0xc5, 0x78, 0x10, 0x0f], "vmovups xmm9, xmmword [rdi]");
-    test_instr(&[0xc5, 0xf8, 0x10, 0xcf], "vmovups xmm1, xmm7");
-    test_instr(&[0xc5, 0xf9, 0x10, 0x0f], "vmovupd xmm1, xmmword [rdi]");
-    test_instr(&[0xc5, 0xfa, 0x7e, 0x10], "vmovq xmm2, qword [rax]");
-    test_instr(&[0xc5, 0xfc, 0x10, 0x0f], "vmovups ymm1, ymmword [rdi]");
-    test_instr(&[0xc5, 0xfd, 0x10, 0x0f], "vmovupd ymm1, ymmword [rdi]");
-    test_instr(&[0xc5, 0xfe, 0x10, 0x0f], "vmovss xmm1, dword [rdi]");
-    test_instr(&[0xc5, 0xff, 0x10, 0xcf], "vmovsd xmm1, xmm0, xmm7");
-    test_instr(&[0xc5, 0xff, 0x10, 0x01], "vmovsd xmm0, qword [rcx]");
-    test_instr(&[0xc5, 0xf9, 0x6e, 0xc6], "vmovd xmm0, esi");
-    test_instr(&[0xc5, 0xf9, 0x6e, 0x13], "vmovd xmm2, dword [rbx]");
-    test_instr(&[0xc5, 0xf9, 0x7e, 0xc6], "vmovd esi, xmm0");
-    test_instr(&[0xc5, 0xf9, 0x7e, 0x13], "vmovd dword [rbx], xmm2");
-    test_instr_invalid(&[0x4f, 0xc5, 0xf8, 0x10, 0x00]);
-    test_instr_invalid(&[0xf0, 0xc5, 0xf8, 0x10, 0x00]);
-    test_instr(&[0xc4, 0x02, 0x71, 0x00, 0x0f], "vpshufb xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x00, 0x0f], "vpshufb ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x00, 0xcd], "vpshufb xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x00, 0xcd], "vpshufb ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x01, 0x0f], "vphaddw xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x01, 0x0f], "vphaddw ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x01, 0xcd], "vphaddw xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x01, 0xcd], "vphaddw ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x02, 0x0f], "vphaddd xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x02, 0x0f], "vphaddd ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x02, 0xcd], "vphaddd xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x02, 0xcd], "vphaddd ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x03, 0x0f], "vphaddsw xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x03, 0x0f], "vphaddsw ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x03, 0xcd], "vphaddsw xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x03, 0xcd], "vphaddsw ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x04, 0x0f], "vpmaddubsw xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x04, 0x0f], "vpmaddubsw ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x04, 0xcd], "vpmaddubsw xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x04, 0xcd], "vpmaddubsw ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x05, 0x0f], "vphsubw xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x05, 0x0f], "vphsubw ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x05, 0xcd], "vphsubw xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x05, 0xcd], "vphsubw ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x06, 0x0f], "vphsubd xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x06, 0x0f], "vphsubd ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x06, 0xcd], "vphsubd xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x06, 0xcd], "vphsubd ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x07, 0x0f], "vphsubsw xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x07, 0x0f], "vphsubsw ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x07, 0xcd], "vphsubsw xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x07, 0xcd], "vphsubsw ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x08, 0x0f], "vpsignb xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x08, 0x0f], "vpsignb ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x08, 0xcd], "vpsignb xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x08, 0xcd], "vpsignb ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x09, 0x0f], "vpsignw xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x09, 0x0f], "vpsignw ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x09, 0xcd], "vpsignw xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x09, 0xcd], "vpsignw ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0a, 0x0f], "vpsignd xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0a, 0x0f], "vpsignd ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0a, 0xcd], "vpsignd xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0a, 0xcd], "vpsignd ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0b, 0x0f], "vpmulhrsw xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0b, 0x0f], "vpmulhrsw ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0b, 0xcd], "vpmulhrsw xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0b, 0xcd], "vpmulhrsw ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0c, 0x0f], "vpermilps xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0c, 0x0f], "vpermilps ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0c, 0xcd], "vpermilps xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0c, 0xcd], "vpermilps ymm9, ymm1, ymm13");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0d, 0x0f], "vpermilpd xmm9, xmm1, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0d, 0x0f], "vpermilpd ymm9, ymm1, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x71, 0x0d, 0xcd], "vpermilpd xmm9, xmm1, xmm13");
-    test_instr(&[0xc4, 0x02, 0x75, 0x0d, 0xcd], "vpermilpd ymm9, ymm1, ymm13");
-    test_instr_invalid(&[0xc4, 0x02, 0x71, 0x0e, 0x00]);
-    test_instr(&[0xc4, 0x02, 0x79, 0x0e, 0x0f], "vtestps xmm9, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x7d, 0x0e, 0x0f], "vtestps ymm9, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x79, 0x0e, 0xcd], "vtestps xmm9, xmm13");
-    test_instr(&[0xc4, 0x02, 0x7d, 0x0e, 0xcd], "vtestps ymm9, ymm13");
-    test_instr_invalid(&[0xc4, 0x02, 0x71, 0x0f, 0x00]);
-    test_instr(&[0xc4, 0x02, 0x79, 0x0f, 0x0f], "vtestpd xmm9, xmmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x7d, 0x0f, 0x0f], "vtestpd ymm9, ymmword [r15]");
-    test_instr(&[0xc4, 0x02, 0x79, 0x0f, 0xcd], "vtestpd xmm9, xmm13");
-    test_instr(&[0xc4, 0x02, 0x7d, 0x0f, 0xcd], "vtestpd ymm9, ymm13");
-    test_instr(&[0xc4, 0xe2, 0x65, 0x90, 0x04, 0x51], "vpgatherdd ymm0, dword [rcx + ymm2 * 2], ymm3");
-    test_instr(&[0xc4, 0xe2, 0xe5, 0x90, 0x04, 0x51], "vpgatherdq ymm0, qword [rcx + xmm2 * 2], ymm3");
-    test_instr(&[0xc4, 0xe2, 0x65, 0x91, 0x04, 0x51], "vpgatherqd xmm0, dword [rcx + ymm2 * 2], xmm3");
-    test_instr(&[0xc4, 0xe2, 0xe5, 0x91, 0x04, 0x51], "vpgatherqq ymm0, qword [rcx + ymm2 * 2], ymm3");
-    test_instr(&[0xc4, 0x02, 0x09, 0x9d, 0xcd], "vfnmadd132ss xmm9, xmm14, xmm13");
-    test_instr(&[0xc4, 0x02, 0x89, 0x9d, 0xcd], "vfnmadd132sd xmm9, xmm14, xmm13");
-// ...
-    test_instr(&[0xc4, 0xe3, 0x79, 0x14, 0xd0, 0x0a], "vpextrb eax, xmm2, 0xa");
-    test_instr(&[0xc4, 0xe3, 0x79, 0x14, 0x10, 0x0a], "vpextrb byte [rax], xmm2, 0xa");
-    test_instr_invalid(&[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0xd0]);
-    test_instr_invalid(&[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0x0a]);
-    test_instr(&[0xc5, 0xed, 0x71, 0xd0, 0x04], "vpsrlw ymm2, ymm0, 0x4");
-    test_instr(&[0xc5, 0xed, 0x73, 0xd4, 0x20], "vpsrlq ymm2, ymm4, 0x20");
-    test_instr(&[0xc4, 0xe3, 0xfd, 0x00, 0xc1, 0xa8], "vpermq ymm0, ymm1, 0xa8");
-    test_instr(&[0xc5, 0xfd, 0xea, 0xd1], "vpminsw ymm2, ymm0, ymm1");
-    test_instr(&[0xc5, 0xfd, 0xee, 0xd9], "vpmaxsw ymm3, ymm0, ymm1");
-    test_instr(&[0xc4, 0xe3, 0x7d, 0x19, 0xd1, 0x01], "vextractf128 xmm1, ymm2, 0x1");
-    test_instr(&[0xc4, 0xc3, 0x75, 0x38, 0x7c, 0x12, 0x05, 0x01], "vinserti128 ymm7, ymm1, xmmword [r10 + rdx * 1 + 0x5], 0x1");
-    test_instr(&[0xc4, 0xc3, 0x75, 0x42, 0x7c, 0x12, 0x05, 0x61], "vmpsadbw ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], 0x61");
-    test_instr(&[0xc4, 0xc3, 0x75, 0x46, 0x7c, 0x12, 0x05, 0x61], "vperm2i128 ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], 0x61");
-    test_instr(&[0xc4, 0xc3, 0x75, 0x4a, 0x7c, 0x12, 0x05, 0x61], "vblendvps ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], ymm6");
-    test_instr(&[0xc4, 0xc3, 0x71, 0x4a, 0x7c, 0x12, 0x05, 0x61], "vblendvps xmm7, xmm1, xmmword [r10 + rdx * 1 + 0x5], xmm6");
-    test_instr(&[0xc4, 0xc3, 0x71, 0x4a, 0xdc, 0x61], "vblendvps xmm3, xmm1, xmm12, xmm6");
-    test_invalid(&[0xc4, 0xc3, 0xf1, 0x4a, 0xdc, 0x61]);
-    test_instr(&[0xc4, 0xc3, 0x75, 0x4b, 0x7c, 0x12, 0x05, 0x61], "vblendvpd ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], ymm6");
-    test_instr(&[0xc4, 0xc3, 0x71, 0x4b, 0x7c, 0x12, 0x05, 0x61], "vblendvpd xmm7, xmm1, xmmword [r10 + rdx * 1 + 0x5], xmm6");
-    test_instr(&[0xc4, 0xc3, 0x71, 0x4b, 0xdc, 0x61], "vblendvpd xmm3, xmm1, xmm12, xmm6");
-    test_invalid(&[0xc4, 0xc3, 0xf1, 0x4b, 0xdc, 0x61]);
-    test_instr(&[0xc4, 0xc3, 0x71, 0x4c, 0x7c, 0x12, 0x05, 0x61], "vpblendvb xmm7, xmm1, xmmword [r10 + rdx * 1 + 0x5], xmm6");
-
-    test_instr(&[0xc5, 0xc9, 0xf1, 0x0f], "vpsllw xmm1, xmm6, xmmword [rdi]");
-    test_instr(&[0xc5, 0xc9, 0xf1, 0xcf], "vpsllw xmm1, xmm6, xmm7");
-    test_instr(&[0xc5, 0xcd, 0xf1, 0x0f], "vpsllw ymm1, ymm6, xmmword [rdi]");
-    test_instr(&[0xc5, 0xcd, 0xf1, 0xcf], "vpsllw ymm1, ymm6, xmm7");
-    test_instr(&[0xc5, 0xc9, 0xf2, 0x0f], "vpslld xmm1, xmm6, xmmword [rdi]");
-    test_instr(&[0xc5, 0xc9, 0xf2, 0xcf], "vpslld xmm1, xmm6, xmm7");
-    test_instr(&[0xc5, 0xcd, 0xf2, 0x0f], "vpslld ymm1, ymm6, xmmword [rdi]");
-    test_instr(&[0xc5, 0xcd, 0xf2, 0xcf], "vpslld ymm1, ymm6, xmm7");
-    test_instr(&[0xc5, 0xc9, 0xf3, 0x0f], "vpsllq xmm1, xmm6, xmmword [rdi]");
-    test_instr(&[0xc5, 0xc9, 0xf3, 0xcf], "vpsllq xmm1, xmm6, xmm7");
-    test_instr(&[0xc5, 0xcd, 0xf3, 0x0f], "vpsllq ymm1, ymm6, xmmword [rdi]");
-    test_instr(&[0xc5, 0xcd, 0xf3, 0xcf], "vpsllq ymm1, ymm6, xmm7");
-
-    test_instr(&[0xc5, 0xf1, 0xc4, 0xd8, 0x78], "vpinsrw xmm3, xmm1, eax, 0x78");
-    test_instr(&[0xc5, 0xf1, 0xc4, 0x18, 0x78], "vpinsrw xmm3, xmm1, word [rax], 0x78");
-
-    test_instr(&[0xc5, 0xe0, 0x54, 0x03], "vandps xmm0, xmm3, xmmword [rbx]");
-    test_instr(&[0xc5, 0xe1, 0x54, 0x03], "vandpd xmm0, xmm3, xmmword [rbx]");
-    test_instr(&[0xc5, 0xe0, 0x55, 0x03], "vandnps xmm0, xmm3, xmmword [rbx]");
-    test_instr(&[0xc5, 0xe1, 0x55, 0x03], "vandnpd xmm0, xmm3, xmmword [rbx]");
-    test_instr(&[0xc5, 0xe0, 0x56, 0x03], "vorps xmm0, xmm3, xmmword [rbx]");
-    test_instr(&[0xc5, 0xe1, 0x56, 0x03], "vorpd xmm0, xmm3, xmmword [rbx]");
-    test_instr(&[0xc4, 0xa2, 0x15, 0x3e, 0x14, 0xb9], "vpmaxuw ymm2, ymm13, ymmword [rcx + r15 * 4]");
+mod vex {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &[TestCase] = &[
+        // prefix 03
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_001, 0x00, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x00, 0b11_001_010, 0x77]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b1_1111_101, 0x00, 0b11_001_010, 0x77], "vpermq ymm9, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_001, 0x01, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x01, 0b11_001_010, 0x77]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b1_1111_101, 0x01, 0b11_001_010, 0x77], "vpermpd ymm9, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_001, 0x02, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_101, 0x02, 0b11_001_010, 0x77]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x02, 0b11_001_010, 0x77], "vpblendd xmm9, xmm0, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x02, 0b00_001_010, 0x77], "vpblendd xmm9, xmm0, xmmword [r10], 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x02, 0b11_001_010, 0x77], "vpblendd ymm9, ymm0, ymm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x02, 0b00_001_010, 0x77], "vpblendd ymm9, ymm0, ymmword [r10], 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x04, 0b11_001_010, 0x77], "vpermilps xmm9, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x04, 0b11_001_010, 0x77], "vpermilps ymm9, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x05, 0b11_001_010, 0x77], "vpermilpd xmm9, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x05, 0b11_001_010, 0x77], "vpermilpd ymm9, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_001, 0x06, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x06, 0b11_001_010, 0x77], "vperm2f128 ymm9, ymm0, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x06, 0b00_001_010, 0x77], "vperm2f128 ymm9, ymm0, ymmword [r10], 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x0c, 0b11_001_010, 0x77], "vblendps xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x0c, 0b11_001_010, 0x77], "vblendps ymm9, ymm8, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x0d, 0b11_001_010, 0x77], "vblendpd xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x0d, 0b11_001_010, 0x77], "vblendpd ymm9, ymm8, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x0e, 0b11_001_010, 0x77], "vpblendw xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x0e, 0b11_001_010, 0x77], "vpblendw ymm9, ymm8, ymm10, 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x08, 0b11_001_010, 0x77], "vroundps xmm9, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x08, 0b11_001_010, 0x77], "vroundps ymm9, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x08, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x08, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x09, 0b11_001_010, 0x77], "vroundpd xmm9, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x09, 0b11_001_010, 0x77], "vroundpd ymm9, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x09, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x09, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x0a, 0b11_001_010, 0x77], "vroundss xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x0a, 0b11_001_010, 0x77], "vroundss xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x0b, 0b11_001_010, 0x77], "vroundsd xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x0b, 0b11_001_010, 0x77], "vroundsd xmm9, xmm8, xmm10, 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b1_0111_001, 0x0f, 0b11_001_010, 0x77], "vpalignr xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b1_0111_101, 0x0f, 0b11_001_010, 0x77], "vpalignr ymm9, ymm8, ymm10, 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x14, 0b11_001_010, 0x77], "vpextrb r10d, xmm9, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x14, 0b00_001_010, 0x77], "vpextrb byte [r10], xmm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x14, 0b00_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x14, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x15, 0b11_001_010, 0x77], "vpextrw r10d, xmm9, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x15, 0b00_001_010, 0x77], "vpextrw word [r10], xmm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x15, 0b00_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x15, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x16, 0b11_001_010, 0x77], "vpextrd r10d, xmm9, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x16, 0b00_001_010, 0x77], "vpextrd dword [r10], xmm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x16, 0b00_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x16, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b1_1111_001, 0x16, 0b11_001_010, 0x77], "vpextrq r10, xmm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_001, 0x16, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b1_1111_001, 0x16, 0b00_001_010, 0x77], "vpextrq qword [r10], xmm9, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x17, 0b11_001_010, 0x77], "vextractps r10d, xmm9, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x17, 0b00_001_010, 0x77], "vextractps dword [r10], xmm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x17, 0b00_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x17, 0b00_001_010, 0x77]),
+
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_001, 0x18, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x18, 0b11_001_010, 0x77], "vinsertf128 ymm9, ymm8, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_101, 0x19, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x19, 0b11_001_010, 0x77], "vextractf128 xmm10, ymm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_001, 0x19, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_101, 0x19, 0b11_001_010, 0x77]),
+
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_001, 0x38, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x38, 0b11_001_010, 0x77]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x38, 0b11_001_010, 0x77], "vinserti128 ymm9, ymm8, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_101, 0x39, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x39, 0b11_001_010, 0x77]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x39, 0b11_001_010, 0x77], "vextracti128 xmm10, ymm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_001, 0x19, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_101, 0x19, 0b11_001_010, 0x77]),
+
+        testcase!(features { AVX_F16C: true, AVX: false, F16C: false } &[0xc4, 0b000_00011, 0b0_1111_101, 0x1d, 0b11_001_010, 0x77], "vcvtps2ph xmm10, ymm9, 0x77"),
+        testcase!(features { AVX_F16C: true, AVX: false, F16C: false } &[0xc4, 0b000_00011, 0b0_1111_101, 0x1d, 0b11_001_010, 0x77], "vcvtps2ph xmm10, ymm9, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_101, 0x1d, 0b11_001_010, 0x77]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x20, 0b11_001_010, 0x77], "vpinsrb xmm9, xmm8, r10d, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x20, 0b00_001_010, 0x77], "vpinsrb xmm9, xmm8, byte [r10], 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x20, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x21, 0b11_001_010, 0x77], "vinsertps xmm9, xmm8, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x21, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x22, 0b11_001_010, 0x77], "vpinsrd xmm9, xmm8, r10d, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x22, 0b00_001_010, 0x77], "vpinsrd xmm9, xmm8, dword [r10], 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x22, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b1_0111_001, 0x22, 0b11_001_010, 0x77], "vpinsrq xmm9, xmm8, r10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b1_0111_001, 0x22, 0b00_001_010, 0x77], "vpinsrq xmm9, xmm8, qword [r10], 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_101, 0x22, 0b00_001_010, 0x77]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x40, 0b11_001_010, 0x77], "vdpps xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x40, 0b11_001_010, 0x77], "vdpps ymm9, ymm8, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x41, 0b11_001_010, 0x77], "vdppd xmm9, xmm8, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x41, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x42, 0b11_001_010, 0x77], "vmpsadbw xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x42, 0b11_001_010, 0x77], "vmpsadbw ymm9, ymm8, ymm10, 0x77"),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x46, 0b11_001_010, 0x77], "vperm2i128 ymm9, ymm0, ymm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_1111_101, 0x46, 0b00_001_010, 0x77], "vperm2i128 ymm9, ymm0, ymmword [r10], 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_001, 0x46, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_1111_101, 0x46, 0b11_001_010, 0x77]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_0111_001, 0x4c, 0b11_001_010, 0x77], "vpblendvb xmm9, xmm8, xmm10, xmm7"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00011, 0b0_0111_101, 0x4c, 0b11_001_010, 0x77], "vpblendvb ymm9, ymm8, ymm10, ymm7"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_001, 0x4c, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_101, 0x4c, 0b11_001_010, 0x77]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x60, 0b11_001_010, 0x77], "vpcmpestrm xmm9, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x60, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x60, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x60, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x61, 0b11_001_010, 0x77], "vpcmpestri xmm9, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x61, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x61, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x61, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x62, 0b11_001_010, 0x77], "vpcmpistrm xmm9, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x62, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x62, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x62, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00011, 0b0_1111_001, 0x63, 0b11_001_010, 0x77], "vpcmpistri xmm9, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_1111_101, 0x63, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_001, 0x63, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b0_0111_101, 0x63, 0b11_001_010, 0x77]),
+
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00011, 0b1_1111_001, 0xdf, 0b11_001_010, 0x77], "vaeskeygenassist xmm9, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_001, 0xdf, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00011, 0b1_0111_101, 0xdf, 0b11_001_010, 0x77]),
+
+        // prefix 02
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x00, 0b11_001_010], "vpshufb xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x00, 0b11_001_010], "vpshufb ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x01, 0b11_001_010], "vphaddw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x01, 0b11_001_010], "vphaddw ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x02, 0b11_001_010], "vphaddd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x02, 0b11_001_010], "vphaddd ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x03, 0b11_001_010], "vphaddsw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x03, 0b11_001_010], "vphaddsw ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x04, 0b11_001_010], "vpmaddubsw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x04, 0b11_001_010], "vpmaddubsw ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x05, 0b11_001_010], "vphsubw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x05, 0b11_001_010], "vphsubw ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x06, 0b11_001_010], "vphsubd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x06, 0b11_001_010], "vphsubd ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x07, 0b11_001_010], "vphsubsw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x07, 0b11_001_010], "vphsubsw ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x08, 0b11_001_010], "vpsignb xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x08, 0b11_001_010], "vpsignb ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x09, 0b11_001_010], "vpsignw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x09, 0b11_001_010], "vpsignw ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x0a, 0b11_001_010], "vpsignd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x0a, 0b11_001_010], "vpsignd ymm9, ymm0, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x0b, 0b11_001_010], "vpmulhrsw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x0b, 0b11_001_010], "vpmulhrsw ymm9, ymm0, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x0c, 0b11_001_010], "vpermilps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x0c, 0b11_001_010], "vpermilps ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x0d, 0b11_001_010], "vpermilpd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x0d, 0b11_001_010], "vpermilpd ymm9, ymm8, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_001, 0x0d, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0x0d, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x0e, 0b11_001_010], "vtestps xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x0e, 0b11_001_010], "vtestps ymm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x0e, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x0f, 0b11_001_010], "vtestpd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x0f, 0b11_001_010], "vtestpd ymm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x0f, 0b11_001_010]),
+        testcase!(features { AVX_F16C: true, AVX: false F16C: false } &[0xc4, 0b111_00010, 0b0_1111_001, 0x13, 0b11_001_010], "vcvtph2ps xmm1, xmm2"),
+        testcase!(invalid: &[0xc4, 0b111_00010, 0b1_1111_001, 0x13, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x16, 0b11_001_010], "vpermps ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x16, 0b00_001_010], "vpermps ymm9, ymm0, ymmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_1111_001, 0x16, 0b00_011_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x16, 0b00_011_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x17, 0b11_001_010], "vptest xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x17, 0b11_001_010], "vptest ymm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x17, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x17, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x18, 0b00_001_010], "vbroadcastss xmm9, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x18, 0b00_001_010], "vbroadcastss ymm9, dword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_001, 0x18, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x18, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x19, 0b00_001_010], "vbroadcastsd ymm9, qword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x19, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0x19, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x1a, 0b00_001_010], "vbroadcastf128 ymm9, xmmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x1a, 0b00_001_010]), // vex.w=1 is invalid
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0x1a, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_001, 0x1a, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x5a, 0b00_001_010], "vbroadcasti128 ymm9, xmmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_1111_101, 0x5a, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_1111_001, 0x5a, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x5a, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x18, 0b11_001_010], "vbroadcastss xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x18, 0b11_001_010], "vbroadcastss ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x18, 0b00_001_010], "vbroadcastss ymm9, dword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_001, 0x18, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0x18, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b111_00010, 0b0_1111_001, 0x19, 0b11_001_010]), // "vbroadcastsd xmm, xmm" is not legal (L!=0)
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x19, 0b11_001_010], "vbroadcastsd ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x19, 0b00_001_010], "vbroadcastsd ymm9, qword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x19, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0x19, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_001, 0x19, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_001, 0x1a, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0x1a, 0b11_001_010]),
+
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x1c, 0b11_001_010], "vpabsb xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x1c, 0b11_001_010], "vpabsb ymm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x1c, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x1d, 0b11_001_010], "vpabsw xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x1d, 0b11_001_010], "vpabsw ymm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x1d, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x1e, 0b11_001_010], "vpabsd xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x1e, 0b11_001_010], "vpabsd ymm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x1e, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x20, 0b11_001_010], "vpmovsxbw xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x20, 0b11_001_010], "vpmovsxbw ymm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x20, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x21, 0b11_001_010], "vpmovsxbd xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x21, 0b11_001_010], "vpmovsxbd ymm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x21, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x22, 0b11_001_010], "vpmovsxbq xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x22, 0b11_001_010], "vpmovsxbq ymm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x22, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x23, 0b11_001_010], "vpmovsxwd xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x23, 0b11_001_010], "vpmovsxwd ymm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x23, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x24, 0b11_001_010], "vpmovsxwq xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x24, 0b11_001_010], "vpmovsxwq ymm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x24, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x25, 0b11_001_010], "vpmovsxdq xmm9, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x25, 0b11_001_010], "vpmovsxdq ymm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x25, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x28, 0b11_001_010], "vpmuldq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x28, 0b11_001_010], "vpmuldq ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x29, 0b11_001_010], "vpcmpeqq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x29, 0b11_001_010], "vpcmpeqq ymm9, ymm8, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x2a, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x2a, 0b00_001_010], "vmovntdqa xmm9, xmmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x2a, 0b00_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x2a, 0b00_001_010], "vmovntdqa ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x2b, 0b11_001_010], "vpackusdw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x2b, 0b11_001_010], "vpackusdw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x2b, 0b00_001_010], "vpackusdw ymm9, ymm8, ymmword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x2c, 0b00_001_010], "vmaskmovps xmm9, xmm8, xmmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x2c, 0b11_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x2c, 0b00_001_010], "vmaskmovps ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x2d, 0b00_001_010], "vmaskmovpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x2d, 0b11_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x2d, 0b00_001_010], "vmaskmovpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x2e, 0b00_001_010], "vmaskmovps xmmword [r10], xmm8, xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x2e, 0b11_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x2e, 0b00_001_010], "vmaskmovps ymmword [r10], ymm8, ymm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x2f, 0b00_001_010], "vmaskmovpd xmmword [r10], xmm8, xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x2f, 0b11_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x2f, 0b00_001_010], "vmaskmovpd ymmword [r10], ymm8, ymm9"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x30, 0b11_001_010], "vpmovzxbw xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x30, 0b11_001_010], "vpmovzxbw ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x31, 0b11_001_010], "vpmovzxbd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x31, 0b11_001_010], "vpmovzxbd ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x32, 0b11_001_010], "vpmovzxbq xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x32, 0b11_001_010], "vpmovzxbq ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x33, 0b11_001_010], "vpmovzxwd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x33, 0b11_001_010], "vpmovzxwd ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x34, 0b11_001_010], "vpmovzxwq xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x34, 0b11_001_010], "vpmovzxwq ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x35, 0b11_001_010], "vpmovzxdq xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x35, 0b11_001_010], "vpmovzxdq ymm9, xmm10"),
+
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x30, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x30, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x31, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x31, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x32, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x32, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x33, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x33, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x34, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x34, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x35, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x35, 0b11_001_010]),
+
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x36, 0b11_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x36, 0b11_001_010], "vpermd ymm9, ymm8, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x36, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x37, 0b11_001_010], "vpcmpgtq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x37, 0b11_001_010], "vpcmpgtq ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x38, 0b11_001_010], "vpminsb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x38, 0b11_001_010], "vpminsb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x39, 0b11_001_010], "vpminsd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x39, 0b11_001_010], "vpminsd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x3a, 0b11_001_010], "vpminuw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x3a, 0b11_001_010], "vpminuw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x3b, 0b11_001_010], "vpminud xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x3b, 0b11_001_010], "vpminud ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x3c, 0b11_001_010], "vpmaxsb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x3c, 0b11_001_010], "vpmaxsb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x3d, 0b11_001_010], "vpmaxsd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x3d, 0b11_001_010], "vpmaxsd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x3e, 0b11_001_010], "vpmaxuw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x3e, 0b11_001_010], "vpmaxuw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x3f, 0b11_001_010], "vpmaxud xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x3f, 0b11_001_010], "vpmaxud ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_0111_001, 0x40, 0b11_001_010], "vpmulld xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_0111_101, 0x40, 0b11_001_010], "vpmulld ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x41, 0b11_001_010], "vphminposuw xmm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_001, 0x41, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0x41, 0b11_001_010]),
+    // TODO: should something be at opcode 42 here?
+    //    testcase!(features { AVX: true } &[0xc4, 0b000_00010, 0b1_0111_001, 0x42, 0b11_001_010], "vphminposuw xmm"),
+    //    testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0x41, 0b11_001_010]),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x45, 0b00_001_010], "vpsrlvd xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x45, 0b00_001_010], "vpsrlvd ymm9, ymm0, ymmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x45, 0b11_001_010], "vpsrlvd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x45, 0b11_001_010], "vpsrlvd ymm9, ymm0, ymm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x45, 0b00_001_010], "vpsrlvq xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x45, 0b00_001_010], "vpsrlvq ymm9, ymm0, ymmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x45, 0b11_001_010], "vpsrlvq xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x45, 0b11_001_010], "vpsrlvq ymm9, ymm0, ymm10"),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x46, 0b00_001_010], "vpsravd xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x46, 0b00_001_010], "vpsravd ymm9, ymm0, ymmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_001, 0x46, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_1111_101, 0x46, 0b00_001_010]),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x47, 0b00_001_010], "vpsllvd xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x47, 0b00_001_010], "vpsllvd ymm9, ymm0, ymmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x47, 0b11_001_010], "vpsllvd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x47, 0b11_001_010], "vpsllvd ymm9, ymm0, ymm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x47, 0b00_001_010], "vpsllvq xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x47, 0b00_001_010], "vpsllvq ymm9, ymm0, ymmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x47, 0b11_001_010], "vpsllvq xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x47, 0b11_001_010], "vpsllvq ymm9, ymm0, ymm10"),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_001, 0x58, 0b11_000_001], "vpbroadcastd xmm0, xmm1"),
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_101, 0x58, 0b11_000_001], "vpbroadcastd ymm0, ymm1"),
+        testcase!(invalid: &[0xc4, 0b111_00010, 0b1_1111_001, 0x58, 0b11_000_001]),
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_001, 0x59, 0b11_000_001], "vpbroadcastq xmm0, xmm1"),
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_101, 0x59, 0b11_000_001], "vpbroadcastq ymm0, ymm1"),
+        testcase!(invalid: &[0xc4, 0b111_00010, 0b1_1111_001, 0x59, 0b11_000_001]),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_001, 0x78, 0b11_000_001], "vpbroadcastb xmm0, xmm1"),
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_101, 0x78, 0b11_000_001], "vpbroadcastb ymm0, ymm1"),
+        testcase!(invalid: &[0xc4, 0b111_00010, 0b1_1111_001, 0x78, 0b11_000_001]),
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_001, 0x79, 0b11_000_001], "vpbroadcastw xmm0, xmm1"),
+        testcase!(features { AVX2: true } &[0xc4, 0b111_00010, 0b0_1111_101, 0x79, 0b11_000_001], "vpbroadcastw ymm0, ymm1"),
+        testcase!(invalid: &[0xc4, 0b111_00010, 0b1_1111_001, 0x79, 0b11_000_001]),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x8c, 0b00_001_010], "vpmaskmovd xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x8c, 0b00_001_010], "vpmaskmovd ymm9, ymm0, ymmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_1111_001, 0x8c, 0b11_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x8c, 0b00_001_010], "vpmaskmovq xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x8c, 0b00_001_010], "vpmaskmovq ymm9, ymm0, ymmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_1111_001, 0x8c, 0b11_001_010]),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x8e, 0b00_001_010], "vpmaskmovd xmmword [r10], xmm0, xmm9"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x8e, 0b00_001_010], "vpmaskmovd ymmword [r10], ymm0, ymm9"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_1111_001, 0x8e, 0b11_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x8e, 0b00_001_010], "vpmaskmovq xmmword [r10], xmm0, xmm9"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x8e, 0b00_001_010], "vpmaskmovq ymmword [r10], ymm0, ymm9"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_1111_001, 0x8e, 0b11_001_010]),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x90, 0b00_000_100, 0xa1], "vpgatherdd xmm8, dword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x90, 0b00_000_100, 0xa1], "vpgatherdd ymm8, dword [r9 + ymm12 * 4], ymm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x90, 0b00_000_100, 0xa1], "vpgatherdq xmm8, qword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x90, 0b00_000_100, 0xa1], "vpgatherdq ymm8, qword [r9 + xmm12 * 4], ymm0"),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x91, 0b00_000_100, 0xa1], "vpgatherqd xmm8, dword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x91, 0b00_000_100, 0xa1], "vpgatherqd xmm8, dword [r9 + ymm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x91, 0b00_000_100, 0xa1], "vpgatherqq xmm8, qword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x91, 0b00_000_100, 0xa1], "vpgatherqq ymm8, qword [r9 + ymm12 * 4], ymm0"),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x92, 0b00_000_100, 0xa1], "vgatherdps xmm8, dword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x92, 0b00_000_100, 0xa1], "vgatherdps ymm8, dword [r9 + ymm12 * 4], ymm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x92, 0b00_000_100, 0xa1], "vgatherdpd xmm8, qword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x92, 0b00_000_100, 0xa1], "vgatherdpd ymm8, qword [r9 + ymm12 * 4], ymm0"),
+
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_001, 0x93, 0b00_000_100, 0xa1], "vgatherqps xmm8, dword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b0_1111_101, 0x93, 0b00_000_100, 0xa1], "vgatherqps xmm8, dword [r9 + ymm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_001, 0x93, 0b00_000_100, 0xa1], "vgatherqpd xmm8, qword [r9 + xmm12 * 4], xmm0"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00010, 0b1_1111_101, 0x93, 0b00_000_100, 0xa1], "vgatherqpd ymm8, qword [r9 + ymm12 * 4], ymm0"),
+
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b0_1111_001, 0xdb, 0b11_001_010], "vaesimc xmm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b0_0111_101, 0xdb, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00010, 0b1_0111_101, 0xdb, 0b11_001_010]),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_001, 0xdc, 0b11_001_010], "vaesenc xmm9, xmm8, xmm10"),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_101, 0xdc, 0b11_001_010], "vaesenc ymm9, ymm8, ymm10"),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_001, 0xdd, 0b11_001_010], "vaesenclast xmm9, xmm8, xmm10"),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_101, 0xdd, 0b11_001_010], "vaesenclast ymm9, ymm8, ymm10"),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_001, 0xde, 0b11_001_010], "vaesdec xmm9, xmm8, xmm10"),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_101, 0xde, 0b11_001_010], "vaesdec ymm9, ymm8, ymm10"),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_001, 0xdf, 0b11_001_010], "vaesdeclast xmm9, xmm8, xmm10"),
+        testcase!(features { AVX_AESNI: true, AVX: false, AESNI: false } &[0xc4, 0b000_00010, 0b1_0111_101, 0xdf, 0b11_001_010], "vaesdeclast ymm9, ymm8, ymm10"),
+
+        // prefix 01
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0x10, 0b00_001_010], "vmovsd xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x10, 0b00_001_010], "vmovsd xmm9, qword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_011, 0x10, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_111, 0x10, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x10, 0b00_001_010], "vmovupd xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x10, 0b00_001_010], "vmovupd ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x11, 0b00_001_010], "vmovupd xmmword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x11, 0b00_001_010], "vmovupd ymmword [r10], ymm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0x11, 0b00_001_010], "vmovsd qword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x11, 0b00_001_010], "vmovsd qword [r10], xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_011, 0x11, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_111, 0x11, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x10, 0b00_001_010], "vmovupd xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x10, 0b00_001_010], "vmovupd ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x11, 0b00_001_010], "vmovupd xmmword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x11, 0b00_001_010], "vmovupd ymmword [r10], ymm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x10, 0b00_001_010], "vmovss xmm9, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x10, 0b00_001_010], "vmovss xmm9, dword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_010, 0x10, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_110, 0x10, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x10, 0b00_001_010], "vmovups xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x10, 0b00_001_010], "vmovups ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x11, 0b00_001_010], "vmovups xmmword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x11, 0b00_001_010], "vmovups ymmword [r10], ymm9"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x11, 0b11_001_010], "vmovsd xmm10, xmm8, xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x11, 0b11_001_010], "vmovsd xmm10, xmm8, xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x11, 0b00_001_010], "vmovss dword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x11, 0b00_001_010], "vmovss dword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x11, 0b00_001_010], "vmovups xmmword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x11, 0b00_001_010], "vmovups ymmword [r10], ymm9"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_011, 0x12, 0b00_001_010], "vmovddup xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_111, 0x12, 0b00_001_010], "vmovddup ymm9, ymmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_011, 0x12, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_111, 0x12, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x12, 0b11_001_010], "vmovhlps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x12, 0b00_001_010], "vmovlps xmm9, xmm8, qword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_100, 0x12, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_111, 0x12, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x12, 0b00_001_010], "vmovsldup xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x12, 0b00_001_010], "vmovsldup ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x12, 0b00_001_010], "vmovsldup xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x12, 0b00_001_010], "vmovsldup ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x12, 0b00_001_010], "vmovlpd xmm9, xmm8, qword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_101, 0x12, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x13, 0b00_001_010], "vmovlpd qword [r10], xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_001, 0x13, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_101, 0x13, 0b00_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_000, 0x14, 0b00_001_010], "vunpcklps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_100, 0x14, 0b00_001_010], "vunpcklps ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x14, 0b00_001_010], "vunpcklpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x14, 0b00_001_010], "vunpcklpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_000, 0x15, 0b00_001_010], "vunpckhps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_100, 0x15, 0b00_001_010], "vunpckhps ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x15, 0b00_001_010], "vunpckhpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x15, 0b00_001_010], "vunpckhpd ymm9, ymm8, ymmword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x16, 0b11_001_010], "vmovshdup xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x16, 0b11_001_010], "vmovshdup ymm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_010, 0x16, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_110, 0x16, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x16, 0b00_001_010], "vmovhps xmm9, xmm8, qword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_100, 0x16, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x16, 0b00_001_010], "vmovhpd xmm9, xmm8, qword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_101, 0x16, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_001, 0x16, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x17, 0b00_001_010], "vmovhps qword [r10], xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_100, 0x17, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_000, 0x17, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_100, 0x17, 0b00_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x17, 0b00_001_010], "vmovhpd qword [r10], xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_001, 0x17, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0x17, 0b00_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_000, 0x28, 0b11_001_010], "vmovaps xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x28, 0b11_001_010], "vmovaps ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_000, 0x29, 0b11_001_010], "vmovaps xmm10, xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x29, 0b11_001_010], "vmovaps ymm10, ymm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x28, 0b11_001_010], "vmovapd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x28, 0b11_001_010], "vmovapd ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x29, 0b11_001_010], "vmovapd xmm10, xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x29, 0b11_001_010], "vmovapd ymm10, ymm9"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x2a, 0b11_001_010], "vcvtsi2ss xmm9, xmm0, r10d"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x2a, 0b00_001_010], "vcvtsi2ss xmm9, xmm0, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x2a, 0b11_001_010], "vcvtsi2ss xmm9, xmm0, r10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x2a, 0b00_001_010], "vcvtsi2ss xmm9, xmm0, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x2a, 0b11_001_010], "vcvtsi2ss xmm9, xmm0, r10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_011, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, r10d"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_111, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, r10d"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, r10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_011, 0x2a, 0b00_001_010], "vcvtsi2sd xmm9, xmm0, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0x2a, 0b00_001_010], "vcvtsi2sd xmm9, xmm0, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_011, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, edx"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_111, 0x2a, 0b11_001_010], "vcvtsi2sd xmm9, xmm0, edx"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_000, 0x2b, 0b00_001_010], "vmovntps xmmword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x2b, 0b00_001_010], "vmovntps ymmword [r10], ymm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_000, 0x2b, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_100, 0x2b, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x2b, 0b00_001_010], "vmovntpd xmmword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x2b, 0b00_001_010], "vmovntpd ymmword [r10], ymm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_001, 0x2b, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0x2b, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x2c, 0b11_001_010], "vcvttss2si r9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x2c, 0b00_001_010], "vcvttss2si r9d, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x2c, 0b00_001_010], "vcvttss2si r9, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_010, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm2"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_010, 0x2c, 0b00_001_010], "vcvttss2si r9d, dword [rdx]"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_110, 0x2c, 0b11_001_010], "vcvttss2si r9d, xmm2"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_011, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_111, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x2c, 0b11_001_010], "vcvttsd2si r9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x2c, 0b00_001_010], "vcvttsd2si r9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_111, 0x2c, 0b00_001_010], "vcvttsd2si r9d, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_011, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm2"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_111, 0x2c, 0b11_001_010], "vcvttsd2si r9d, xmm2"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_111, 0x2c, 0b00_001_010], "vcvttsd2si r9d, qword [rdx]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x2d, 0b00_001_010], "vcvtss2si r9d, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x2d, 0b00_001_010], "vcvtss2si r9, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_010, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm2"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_110, 0x2d, 0b11_001_010], "vcvtss2si r9d, xmm2"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_011, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_011, 0x2d, 0b00_001_010], "vcvtsd2si r9d, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_111, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_111, 0x2d, 0b00_001_010], "vcvtsd2si r9d, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x2d, 0b11_001_010], "vcvtsd2si r9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0x2d, 0b00_001_010], "vcvtsd2si r9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_011, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm2"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_111, 0x2d, 0b11_001_010], "vcvtsd2si r9d, xmm2"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x2e, 0b00_001_010], "vucomisd xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x2e, 0b00_001_010], "vucomisd xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x2e, 0b11_001_010], "vucomisd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x2e, 0b11_001_010], "vucomisd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x2f, 0b00_001_010], "vcomisd xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x2f, 0b00_001_010], "vcomisd xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x2f, 0b11_001_010], "vcomisd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x2f, 0b11_001_010], "vcomisd xmm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_001, 0x2e, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_101, 0x2e, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_001, 0x2e, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_101, 0x2e, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_001, 0x2f, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_101, 0x2f, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_001, 0x2f, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_0111_101, 0x2f, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_000, 0x2e, 0b11_001_010], "vucomiss xmm9, xmm2"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_100, 0x2e, 0b00_001_010], "vucomiss xmm9, dword [rdx]"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_000, 0x2f, 0b11_001_010], "vcomiss xmm9, xmm2"),
+        testcase!(features { AVX: true } &[0xc5, 0b0_1111_100, 0x2f, 0b00_001_010], "vcomiss xmm9, dword [rdx]"),
+        testcase!(invalid: &[0xc5, 0b0_1111_111, 0x2f, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x50, 0b11_001_010], "vmovmskps r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x50, 0b11_001_010], "vmovmskps r9d, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_000, 0x50, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_100, 0x50, 0b00_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x50, 0b11_001_010], "vmovmskpd r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x50, 0b11_001_010], "vmovmskpd r9d, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x50, 0b11_001_010], "vmovmskpd r9d, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x50, 0b11_001_010], "vmovmskpd r9d, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_001, 0x50, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_101, 0x50, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_001, 0x50, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_101, 0x50, 0b00_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x51, 0b00_001_010], "vsqrtpd xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x51, 0b00_001_010], "vsqrtpd ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_011, 0x51, 0b00_001_010], "vsqrtsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_111, 0x51, 0b00_001_010], "vsqrtsd xmm9, xmm8, qword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x51, 0b00_001_010], "vsqrtps xmm9, xmmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_000, 0x51, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x51, 0b00_001_010], "vsqrtps ymm9, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x51, 0b00_001_010], "vsqrtss xmm9, xmm0, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x51, 0b00_001_010], "vsqrtss xmm9, xmm0, dword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x52, 0b11_001_010], "vrsqrtps xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x52, 0b11_001_010], "vrsqrtps ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x52, 0b11_001_010], "vrsqrtss xmm9, xmm0, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x52, 0b11_001_010], "vrsqrtss xmm9, xmm0, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x53, 0b11_001_010], "vrcpps xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x53, 0b11_001_010], "vrcpps ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x53, 0b11_001_010], "vrcpss xmm9, xmm0, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x53, 0b11_001_010], "vrcpss xmm9, xmm0, xmm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x54, 0b11_001_010], "vandps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x54, 0b11_001_010], "vandps ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x55, 0b11_001_010], "vandnps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x55, 0b11_001_010], "vandnps ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x54, 0b00_001_010], "vandpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x54, 0b00_001_010], "vandpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x55, 0b00_001_010], "vandnpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x55, 0b00_001_010], "vandnpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x56, 0b00_001_010], "vorpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x56, 0b00_001_010], "vorpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x56, 0b00_001_010], "vorps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x56, 0b00_001_010], "vorps ymm9, ymm8, ymmword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x57, 0b11_001_010], "vxorps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x57, 0b11_001_010], "vxorps ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x57, 0b11_001_010], "vxorpd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x57, 0b11_001_010], "vxorpd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x58, 0b11_001_010], "vaddps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x58, 0b11_001_010], "vaddps ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_010, 0x58, 0b11_001_010], "vaddss xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_110, 0x58, 0b11_001_010], "vaddss xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_010, 0x58, 0b00_001_010], "vaddss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_110, 0x58, 0b00_001_010], "vaddss xmm9, xmm8, dword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x58, 0b00_001_010], "vaddpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x58, 0b00_001_010], "vaddpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x58, 0b00_001_010], "vaddsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x58, 0b00_001_010], "vaddsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x59, 0b00_001_010], "vmulps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x59, 0b00_001_010], "vmulps ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x59, 0b00_001_010], "vmulpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x59, 0b00_001_010], "vmulpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_010, 0x59, 0b00_001_010], "vmulss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_110, 0x59, 0b00_001_010], "vmulss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x59, 0b00_001_010], "vmulsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x59, 0b00_001_010], "vmulsd xmm9, xmm8, qword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x5a, 0b11_001_010], "vcvtps2pd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x5a, 0b11_001_010], "vcvtps2pd ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x5a, 0b00_001_010], "vcvtps2pd xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x5a, 0b00_001_010], "vcvtps2pd ymm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x5a, 0b11_001_010], "vcvtpd2ps xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x5a, 0b11_001_010], "vcvtpd2ps xmm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0x5a, 0b11_001_010], "vcvtsd2ss xmm9, xmm0, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x5a, 0b11_001_010], "vcvtsd2ss xmm9, xmm0, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_011, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_111, 0x5a, 0b00_001_010], "vcvtsd2ss xmm9, xmm0, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x5a, 0b11_001_010], "vcvtss2sd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x5a, 0b11_001_010], "vcvtss2sd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x5a, 0b00_001_010], "vcvtss2sd xmm9, xmm0, dword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x5b, 0b11_001_010], "vcvtps2dq xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x5b, 0b11_001_010], "vcvtps2dq ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x5b, 0b11_001_010], "vcvttps2dq xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x5b, 0b11_001_010], "vcvttps2dq ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x5b, 0b11_001_010], "vcvtdq2ps xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_000, 0x5b, 0b00_001_010], "vcvtdq2ps xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x5b, 0b11_001_010], "vcvtdq2ps ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_100, 0x5b, 0b00_001_010], "vcvtdq2ps ymm9, ymmword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_000, 0x5c, 0b00_001_010], "vsubps xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_100, 0x5c, 0b00_001_010], "vsubps ymm9, ymm0, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_010, 0x5c, 0b00_001_010], "vsubss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_110, 0x5c, 0b00_001_010], "vsubss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x5c, 0b00_001_010], "vsubpd xmm9, xmm0, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x5c, 0b00_001_010], "vsubpd ymm9, ymm0, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_011, 0x5c, 0b00_001_010], "vsubsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_111, 0x5c, 0b00_001_010], "vsubsd xmm9, xmm8, qword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x5d, 0b00_001_010], "vminps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x5d, 0b00_001_010], "vminps ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_010, 0x5d, 0b00_001_010], "vminss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_110, 0x5d, 0b00_001_010], "vminss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x5d, 0b00_001_010], "vminpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x5d, 0b00_001_010], "vminpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x5d, 0b00_001_010], "vminsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x5d, 0b00_001_010], "vminsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x5e, 0b00_001_010], "vdivps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x5e, 0b00_001_010], "vdivps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x5e, 0b00_001_010], "vdivpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_010, 0x5e, 0b00_001_010], "vdivss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x5e, 0b00_001_010], "vdivsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x5e, 0b00_001_010], "vdivps ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x5e, 0b00_001_010], "vdivpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_110, 0x5e, 0b00_001_010], "vdivss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x5e, 0b00_001_010], "vdivsd xmm9, xmm8, qword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0x5f, 0b00_001_010], "vmaxps xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x5f, 0b00_001_010], "vmaxpd xmm9, xmm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_010, 0x5f, 0b00_001_010], "vmaxss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x5f, 0b00_001_010], "vmaxsd xmm9, xmm8, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0x5f, 0b00_001_010], "vmaxps ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x5f, 0b00_001_010], "vmaxpd ymm9, ymm8, ymmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_110, 0x5f, 0b00_001_010], "vmaxss xmm9, xmm8, dword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x5f, 0b00_001_010], "vmaxsd xmm9, xmm8, qword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x60, 0b11_001_010], "vpunpcklbw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x60, 0b11_001_010], "vpunpcklbw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x61, 0b11_001_010], "vpunpcklwd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x61, 0b11_001_010], "vpunpcklwd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x62, 0b11_001_010], "vpunpckldq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x62, 0b11_001_010], "vpunpckldq ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x63, 0b11_001_010], "vpacksswb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x63, 0b11_001_010], "vpacksswb ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x64, 0b11_001_010], "vpcmpgtb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x64, 0b11_001_010], "vpcmpgtb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x65, 0b11_001_010], "vpcmpgtw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x65, 0b11_001_010], "vpcmpgtw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x66, 0b11_001_010], "vpcmpgtd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x66, 0b11_001_010], "vpcmpgtd ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x67, 0b11_001_010], "vpackuswb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x67, 0b11_001_010], "vpackuswb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x68, 0b11_001_010], "vpunpckhbw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x68, 0b11_001_010], "vpunpckhbw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x69, 0b11_001_010], "vpunpckhwd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x69, 0b11_001_010], "vpunpckhwd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x6a, 0b11_001_010], "vpunpckhdq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x6a, 0b11_001_010], "vpunpckhdq ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0x6b, 0b11_001_010], "vpackssdw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0x6b, 0b11_001_010], "vpackssdw ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x6c, 0b11_001_010], "vpunpcklqdq xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x6c, 0b11_001_010], "vpunpcklqdq ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x6d, 0b11_001_010], "vpunpckhqdq xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x6d, 0b11_001_010], "vpunpckhqdq ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x6e, 0b11_001_010], "vmovq xmm9, r10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x6e, 0b00_001_010], "vmovq xmm9, qword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0xd6, 0b00_001_010], "vmovq qword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0xd6, 0b11_001_010], "vmovq xmm10, xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0x6e, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x6f, 0b11_001_010], "vmovdqa xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x6f, 0b11_001_010], "vmovdqa ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x6f, 0b11_001_010], "vmovdqu xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x6f, 0b11_001_010], "vmovdqu ymm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x70, 0b11_001_010, 0x77], "vpshufd xmm9, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x70, 0b11_001_010, 0x77], "vpshufd ymm9, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0x70, 0b11_001_010, 0x77], "vpshufhw xmm9, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0x70, 0b11_001_010, 0x77], "vpshufhw ymm9, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0x70, 0b11_001_010, 0x77], "vpshuflw xmm9, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0x70, 0b11_001_010, 0x77], "vpshuflw ymm9, ymm10, 0x77"),
+
+
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_010_010, 0x77], "vpsrlw xmm0, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x71, 0b11_010_010, 0x77], "vpsrlw xmm8, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x71, 0b11_010_010, 0x77], "vpsrlw ymm0, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b00_011_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_100_010, 0x77], "vpsraw xmm0, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x71, 0b11_100_010, 0x77], "vpsraw ymm0, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_101_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x71, 0b11_110_010, 0x77], "vpsllw xmm0, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x71, 0b11_110_010, 0x77], "vpsllw ymm0, ymm10, 0x77"),
+
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_000_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b11_010_010, 0x77], "vpsrld xmm0, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_010_010, 0x77], "vpsrld ymm0, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_011_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b11_100_010, 0x77], "vpsrad xmm0, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_100_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_100_010, 0x77], "vpsrad ymm0, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_101_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b11_110_010, 0x77], "vpslld xmm0, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_110_010, 0x77]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x72, 0b11_110_010, 0x77], "vpslld ymm0, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x72, 0b00_111_010, 0x77]),
+
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_000_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_010_010, 0x77], "vpsrlq xmm0, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_011_010, 0x77], "vpsrldq xmm0, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_010_010, 0x77], "vpsrlq ymm0, ymm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_011_010, 0x77], "vpsrldq ymm0, ymm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_100_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_101_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_110_010, 0x77], "vpsllq xmm0, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x73, 0b11_111_010, 0x77], "vpslldq xmm0, xmm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_110_010, 0x77], "vpsllq ymm0, ymm10, 0x77"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0x73, 0b11_111_010, 0x77], "vpslldq ymm0, ymm10, 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x74, 0b11_001_010], "vpcmpeqb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x74, 0b11_001_010], "vpcmpeqb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x75, 0b11_001_010], "vpcmpeqw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x75, 0b11_001_010], "vpcmpeqw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x76, 0b11_001_010], "vpcmpeqd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x76, 0b11_001_010], "vpcmpeqd ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x7c, 0b11_001_010], "vhaddpd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x7c, 0b11_001_010], "vhaddpd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x7c, 0b11_001_010], "vhaddps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x7c, 0b11_001_010], "vhaddps ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0x7d, 0b11_001_010], "vhsubpd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0x7d, 0b11_001_010], "vhsubpd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0x7d, 0b11_001_010], "vhsubps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0x7d, 0b11_001_010], "vhsubps ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x7e, 0b11_001_010], "vmovd r10d, xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_101, 0x7e, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0x7e, 0b11_001_010], "vmovq r10, xmm9"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0x7e, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0x7f, 0b11_001_010], "vmovdqa xmm10, xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0x7f, 0b11_001_010], "vmovdqa ymm10, ymm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_010, 0x7f, 0b11_001_010], "vmovdqu xmm10, xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_110, 0x7f, 0b11_001_010], "vmovdqu ymm10, ymm9"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b00_010_001], "vldmxcsr dword [r9]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_100, 0xae, 0b00_010_001]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b11_010_001]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b00_011_001], "vstmxcsr dword [r9]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_100, 0xae, 0b00_011_001]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_000, 0xae, 0b11_011_001]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_000, 0xc2, 0b11_001_010, 0x77], "vcmpps xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_100, 0xc2, 0b11_001_010, 0x77], "vcmpps ymm9, ymm8, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xc2, 0b11_001_010, 0x77], "vcmppd xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xc2, 0b11_001_010, 0x77], "vcmppd ymm9, ymm8, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0xc2, 0b11_001_010, 0x77], "vcmpsd xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0xc2, 0b11_001_010, 0x77], "vcmpsd xmm9, xmm8, xmm10, 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xc4, 0b11_001_010, 0x77], "vpinsrw xmm9, xmm8, r10d, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0xc4, 0b11_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_001, 0xc5, 0b00_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0xc5, 0b11_001_010, 0x77], "vpextrw r9d, xmm10, 0x77"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0xc5, 0b00_001_010, 0x77]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0xc5, 0b11_001_010, 0x77]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xc6, 0b11_001_010, 0x77], "vshufpd xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xc6, 0b11_001_010, 0x77], "vshufpd ymm9, ymm8, ymm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_000, 0xc6, 0b11_001_010, 0x77], "vshufps xmm9, xmm8, xmm10, 0x77"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_100, 0xc6, 0b11_001_010, 0x77], "vshufps ymm9, ymm8, ymm10, 0x77"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xd0, 0b11_001_010], "vaddsubpd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd0, 0b11_001_010], "vaddsubpd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_011, 0xd0, 0b11_001_010], "vaddsubps xmm9, xmm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_111, 0xd0, 0b11_001_010], "vaddsubps ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xd1, 0b11_001_010], "vpsrlw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd1, 0b11_001_010], "vpsrlw ymm9, ymm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd1, 0b00_001_010], "vpsrlw ymm9, ymm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xd2, 0b11_001_010], "vpsrld xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd2, 0b11_001_010], "vpsrld ymm9, ymm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd2, 0b00_001_010], "vpsrld ymm9, ymm8, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xd3, 0b11_001_010], "vpsrlq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd3, 0b11_001_010], "vpsrlq ymm9, ymm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd3, 0b00_001_010], "vpsrlq ymm9, ymm8, xmmword [r10]"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xd4, 0b11_001_010], "vpaddq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd4, 0b11_001_010], "vpaddq ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xd5, 0b11_001_010], "vpmullw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xd5, 0b11_001_010], "vpmullw ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_1111_001, 0xd7, 0b11_001_010], "vpmovmskb r9d, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b0_1111_001, 0xd7, 0b00_001_010]),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_1111_101, 0xd7, 0b11_001_010], "vpmovmskb r9d, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xd8, 0b11_001_010], "vpsubusb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd8, 0b11_001_010], "vpsubusb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xd9, 0b11_001_010], "vpsubusw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xd9, 0b11_001_010], "vpsubusw ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xda, 0b11_001_010], "vpminub xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xda, 0b11_001_010], "vpminub ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xdb, 0b11_001_010], "vpand xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xdb, 0b11_001_010], "vpand ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xdc, 0b11_001_010], "vpaddusb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xdc, 0b11_001_010], "vpaddusb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xdd, 0b11_001_010], "vpaddusw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xdd, 0b11_001_010], "vpaddusw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xde, 0b11_001_010], "vpmaxub xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xde, 0b11_001_010], "vpmaxub ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xdf, 0b11_001_010], "vpandn xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xdf, 0b11_001_010], "vpandn ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe0, 0b11_001_010], "vpavgb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe0, 0b11_001_010], "vpavgb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe1, 0b11_001_010], "vpsraw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe1, 0b11_001_010], "vpsraw ymm9, ymm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe2, 0b11_001_010], "vpsrad xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe2, 0b11_001_010], "vpsrad ymm9, ymm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe3, 0b11_001_010], "vpavgw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe3, 0b11_001_010], "vpavgw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe4, 0b11_001_010], "vpmulhuw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe4, 0b11_001_010], "vpmulhuw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe5, 0b11_001_010], "vpmulhw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe5, 0b11_001_010], "vpmulhw ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0xe6, 0b11_001_010], "vcvttpd2dq xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0xe6, 0b11_001_010], "vcvttpd2dq xmm9, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_010, 0xe6, 0b11_001_010], "vcvtdq2pd xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_110, 0xe6, 0b11_001_010], "vcvtdq2pd ymm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0xe6, 0b11_001_010], "vcvtpd2dq xmm9, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0xe6, 0b11_001_010], "vcvtpd2dq xmm9, ymm10"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0xe7, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0xe7, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0xe7, 0b00_001_010], "vmovntdq xmmword [r10], xmm9"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0xe7, 0b00_001_010], "vmovntdq ymmword [r10], ymm9"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe8, 0b11_001_010], "vpsubsb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe8, 0b11_001_010], "vpsubsb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xe9, 0b11_001_010], "vpsubsw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xe9, 0b11_001_010], "vpsubsw ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xea, 0b11_001_010], "vpminsw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xea, 0b11_001_010], "vpminsw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xeb, 0b11_001_010], "vpor xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xeb, 0b11_001_010], "vpor ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xec, 0b11_001_010], "vpaddsb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xec, 0b11_001_010], "vpaddsb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xed, 0b11_001_010], "vpaddsw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xed, 0b11_001_010], "vpaddsw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xee, 0b11_001_010], "vpmaxsw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xee, 0b11_001_010], "vpmaxsw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b0_0111_001, 0xef, 0b11_001_010], "vpxor xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b0_0111_101, 0xef, 0b11_001_010], "vpxor ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_011, 0xf0, 0b00_001_010], "vlddqu xmm9, xmmword [r10]"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_111, 0xf0, 0b00_001_010], "vlddqu ymm9, ymmword [r10]"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_011, 0xf0, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_011, 0xf0, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_0111_111, 0xf0, 0b11_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_111, 0xf0, 0b11_001_010]),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xf1, 0b11_001_010], "vpsllw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xf1, 0b11_001_010], "vpsllw ymm9, ymm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xf2, 0b11_001_010], "vpslld xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xf2, 0b11_001_010], "vpslld ymm9, ymm8, xmm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xf3, 0b11_001_010], "vpsllq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xf3, 0b11_001_010], "vpsllq ymm9, ymm8, xmm10"),
+
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xf4, 0b11_001_010], "vpmuludq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xf4, 0b11_001_010], "vpmuludq ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0xf5, 0b11_001_010], "vpmaddwd xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0xf5, 0b11_001_010], "vpmaddwd ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0xf6, 0b11_001_010], "vpsadbw xmm9, xmm0, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_1111_101, 0xf6, 0b11_001_010], "vpsadbw ymm9, ymm0, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_1111_001, 0xf7, 0b11_001_010], "vmaskmovdqu xmm9, xmm10"),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_001, 0xf7, 0b00_001_010]),
+        testcase!(invalid: &[0xc4, 0b000_00001, 0b1_1111_101, 0xf7, 0b11_001_010]),
+
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xf8, 0b11_001_010], "vpsubb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xf8, 0b11_001_010], "vpsubb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xf9, 0b11_001_010], "vpsubw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xf9, 0b11_001_010], "vpsubw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xfa, 0b11_001_010], "vpsubd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xfa, 0b11_001_010], "vpsubd ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xfb, 0b11_001_010], "vpsubq xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xfb, 0b11_001_010], "vpsubq ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xfc, 0b11_001_010], "vpaddb xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xfc, 0b11_001_010], "vpaddb ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xfd, 0b11_001_010], "vpaddw xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xfd, 0b11_001_010], "vpaddw ymm9, ymm8, ymm10"),
+        testcase!(features { AVX: true } &[0xc4, 0b000_00001, 0b1_0111_001, 0xfe, 0b11_001_010], "vpaddd xmm9, xmm8, xmm10"),
+        testcase!(features { AVX2: true } &[0xc4, 0b000_00001, 0b1_0111_101, 0xfe, 0b11_001_010], "vpaddd ymm9, ymm8, ymm10"),
+
+        testcase!(features { AVX: true } &[0xc5, 0xf8, 0x10, 0x00], "vmovups xmm0, xmmword [rax]"),
+        testcase!(features { AVX: true } &[0xc5, 0xf8, 0x10, 0x01], "vmovups xmm0, xmmword [rcx]"),
+        testcase!(features { AVX: true } &[0xc5, 0x78, 0x10, 0x0f], "vmovups xmm9, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xf8, 0x10, 0xcf], "vmovups xmm1, xmm7"),
+        testcase!(features { AVX: true } &[0xc5, 0xf9, 0x10, 0x0f], "vmovupd xmm1, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xfa, 0x7e, 0x10], "vmovq xmm2, qword [rax]"),
+        testcase!(features { AVX: true } &[0xc5, 0xfc, 0x10, 0x0f], "vmovups ymm1, ymmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xfd, 0x10, 0x0f], "vmovupd ymm1, ymmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xfe, 0x10, 0x0f], "vmovss xmm1, dword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xff, 0x10, 0xcf], "vmovsd xmm1, xmm0, xmm7"),
+        testcase!(features { AVX: true } &[0xc5, 0xff, 0x10, 0x01], "vmovsd xmm0, qword [rcx]"),
+        testcase!(features { AVX: true } &[0xc5, 0xf9, 0x6e, 0xc6], "vmovd xmm0, esi"),
+        testcase!(features { AVX: true } &[0xc5, 0xf9, 0x6e, 0x13], "vmovd xmm2, dword [rbx]"),
+        testcase!(features { AVX: true } &[0xc5, 0xf9, 0x7e, 0xc6], "vmovd esi, xmm0"),
+        testcase!(features { AVX: true } &[0xc5, 0xf9, 0x7e, 0x13], "vmovd dword [rbx], xmm2"),
+        testcase!(invalid: features { AVX: false } &[0x4f, 0xc5, 0xf8, 0x10, 0x00]),
+        testcase!(invalid: features { AVX: false } &[0xf0, 0xc5, 0xf8, 0x10, 0x00]),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x00, 0x0f], "vpshufb xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x00, 0x0f], "vpshufb ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x00, 0xcd], "vpshufb xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x00, 0xcd], "vpshufb ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x01, 0x0f], "vphaddw xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x01, 0x0f], "vphaddw ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x01, 0xcd], "vphaddw xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x01, 0xcd], "vphaddw ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x02, 0x0f], "vphaddd xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x02, 0x0f], "vphaddd ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x02, 0xcd], "vphaddd xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x02, 0xcd], "vphaddd ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x03, 0x0f], "vphaddsw xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x03, 0x0f], "vphaddsw ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x03, 0xcd], "vphaddsw xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x03, 0xcd], "vphaddsw ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x04, 0x0f], "vpmaddubsw xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x04, 0x0f], "vpmaddubsw ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x04, 0xcd], "vpmaddubsw xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x04, 0xcd], "vpmaddubsw ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x05, 0x0f], "vphsubw xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x05, 0x0f], "vphsubw ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x05, 0xcd], "vphsubw xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x05, 0xcd], "vphsubw ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x06, 0x0f], "vphsubd xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x06, 0x0f], "vphsubd ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x06, 0xcd], "vphsubd xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x06, 0xcd], "vphsubd ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x07, 0x0f], "vphsubsw xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x07, 0x0f], "vphsubsw ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x07, 0xcd], "vphsubsw xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x07, 0xcd], "vphsubsw ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x08, 0x0f], "vpsignb xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x08, 0x0f], "vpsignb ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x08, 0xcd], "vpsignb xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x08, 0xcd], "vpsignb ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x09, 0x0f], "vpsignw xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x09, 0x0f], "vpsignw ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x09, 0xcd], "vpsignw xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x09, 0xcd], "vpsignw ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0a, 0x0f], "vpsignd xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0a, 0x0f], "vpsignd ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0a, 0xcd], "vpsignd xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0a, 0xcd], "vpsignd ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0b, 0x0f], "vpmulhrsw xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0b, 0x0f], "vpmulhrsw ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0b, 0xcd], "vpmulhrsw xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0b, 0xcd], "vpmulhrsw ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0c, 0x0f], "vpermilps xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0c, 0x0f], "vpermilps ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0c, 0xcd], "vpermilps xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0c, 0xcd], "vpermilps ymm9, ymm1, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0d, 0x0f], "vpermilpd xmm9, xmm1, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0d, 0x0f], "vpermilpd ymm9, ymm1, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x71, 0x0d, 0xcd], "vpermilpd xmm9, xmm1, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x75, 0x0d, 0xcd], "vpermilpd ymm9, ymm1, ymm13"),
+        testcase!(invalid: features { AVX: false } &[0xc4, 0x02, 0x71, 0x0e, 0x00]),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x79, 0x0e, 0x0f], "vtestps xmm9, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x7d, 0x0e, 0x0f], "vtestps ymm9, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x79, 0x0e, 0xcd], "vtestps xmm9, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x7d, 0x0e, 0xcd], "vtestps ymm9, ymm13"),
+        testcase!(invalid: features { AVX: false } &[0xc4, 0x02, 0x71, 0x0f, 0x00]),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x79, 0x0f, 0x0f], "vtestpd xmm9, xmmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x7d, 0x0f, 0x0f], "vtestpd ymm9, ymmword [r15]"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x79, 0x0f, 0xcd], "vtestpd xmm9, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x7d, 0x0f, 0xcd], "vtestpd ymm9, ymm13"),
+        testcase!(features { AVX: true } &[0xc4, 0xe2, 0x65, 0x90, 0x04, 0x51], "vpgatherdd ymm0, dword [rcx + ymm2 * 2], ymm3"),
+        testcase!(features { AVX: true } &[0xc4, 0xe2, 0xe5, 0x90, 0x04, 0x51], "vpgatherdq ymm0, qword [rcx + xmm2 * 2], ymm3"),
+        testcase!(features { AVX: true } &[0xc4, 0xe2, 0x65, 0x91, 0x04, 0x51], "vpgatherqd xmm0, dword [rcx + ymm2 * 2], xmm3"),
+        testcase!(features { AVX: true } &[0xc4, 0xe2, 0xe5, 0x91, 0x04, 0x51], "vpgatherqq ymm0, qword [rcx + ymm2 * 2], ymm3"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x09, 0x9d, 0xcd], "vfnmadd132ss xmm9, xmm14, xmm13"),
+        testcase!(features { AVX: true } &[0xc4, 0x02, 0x89, 0x9d, 0xcd], "vfnmadd132sd xmm9, xmm14, xmm13"),
+    // ...
+        testcase!(features { AVX: true } &[0xc4, 0xe3, 0x79, 0x14, 0xd0, 0x0a], "vpextrb eax, xmm2, 0xa"),
+        testcase!(features { AVX: true } &[0xc4, 0xe3, 0x79, 0x14, 0x10, 0x0a], "vpextrb byte [rax], xmm2, 0xa"),
+        testcase!(invalid: features { AVX: false } &[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0xd0]),
+        testcase!(invalid: features { AVX: false } &[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0x0a]),
+        testcase!(features { AVX: true } &[0xc5, 0xed, 0x71, 0xd0, 0x04], "vpsrlw ymm2, ymm0, 0x4"),
+        testcase!(features { AVX: true } &[0xc5, 0xed, 0x73, 0xd4, 0x20], "vpsrlq ymm2, ymm4, 0x20"),
+        testcase!(features { AVX: true } &[0xc4, 0xe3, 0xfd, 0x00, 0xc1, 0xa8], "vpermq ymm0, ymm1, 0xa8"),
+        testcase!(features { AVX: true } &[0xc5, 0xfd, 0xea, 0xd1], "vpminsw ymm2, ymm0, ymm1"),
+        testcase!(features { AVX: true } &[0xc5, 0xfd, 0xee, 0xd9], "vpmaxsw ymm3, ymm0, ymm1"),
+        testcase!(features { AVX: true } &[0xc4, 0xe3, 0x7d, 0x19, 0xd1, 0x01], "vextractf128 xmm1, ymm2, 0x1"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x75, 0x38, 0x7c, 0x12, 0x05, 0x01], "vinserti128 ymm7, ymm1, xmmword [r10 + rdx * 1 + 0x5], 0x1"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x75, 0x42, 0x7c, 0x12, 0x05, 0x61], "vmpsadbw ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], 0x61"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x75, 0x46, 0x7c, 0x12, 0x05, 0x61], "vperm2i128 ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], 0x61"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x75, 0x4a, 0x7c, 0x12, 0x05, 0x61], "vblendvps ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], ymm6"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x71, 0x4a, 0x7c, 0x12, 0x05, 0x61], "vblendvps xmm7, xmm1, xmmword [r10 + rdx * 1 + 0x5], xmm6"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x71, 0x4a, 0xdc, 0x61], "vblendvps xmm3, xmm1, xmm12, xmm6"),
+        testcase!(invalid: &[0xc4, 0xc3, 0xf1, 0x4a, 0xdc, 0x61]),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x75, 0x4b, 0x7c, 0x12, 0x05, 0x61], "vblendvpd ymm7, ymm1, ymmword [r10 + rdx * 1 + 0x5], ymm6"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x71, 0x4b, 0x7c, 0x12, 0x05, 0x61], "vblendvpd xmm7, xmm1, xmmword [r10 + rdx * 1 + 0x5], xmm6"),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x71, 0x4b, 0xdc, 0x61], "vblendvpd xmm3, xmm1, xmm12, xmm6"),
+        testcase!(invalid: &[0xc4, 0xc3, 0xf1, 0x4b, 0xdc, 0x61]),
+        testcase!(features { AVX: true } &[0xc4, 0xc3, 0x71, 0x4c, 0x7c, 0x12, 0x05, 0x61], "vpblendvb xmm7, xmm1, xmmword [r10 + rdx * 1 + 0x5], xmm6"),
+
+        testcase!(features { AVX: true } &[0xc5, 0xc9, 0xf1, 0x0f], "vpsllw xmm1, xmm6, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xc9, 0xf1, 0xcf], "vpsllw xmm1, xmm6, xmm7"),
+        testcase!(features { AVX: true } &[0xc5, 0xcd, 0xf1, 0x0f], "vpsllw ymm1, ymm6, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xcd, 0xf1, 0xcf], "vpsllw ymm1, ymm6, xmm7"),
+        testcase!(features { AVX: true } &[0xc5, 0xc9, 0xf2, 0x0f], "vpslld xmm1, xmm6, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xc9, 0xf2, 0xcf], "vpslld xmm1, xmm6, xmm7"),
+        testcase!(features { AVX: true } &[0xc5, 0xcd, 0xf2, 0x0f], "vpslld ymm1, ymm6, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xcd, 0xf2, 0xcf], "vpslld ymm1, ymm6, xmm7"),
+        testcase!(features { AVX: true } &[0xc5, 0xc9, 0xf3, 0x0f], "vpsllq xmm1, xmm6, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xc9, 0xf3, 0xcf], "vpsllq xmm1, xmm6, xmm7"),
+        testcase!(features { AVX: true } &[0xc5, 0xcd, 0xf3, 0x0f], "vpsllq ymm1, ymm6, xmmword [rdi]"),
+        testcase!(features { AVX: true } &[0xc5, 0xcd, 0xf3, 0xcf], "vpsllq ymm1, ymm6, xmm7"),
+
+        testcase!(features { AVX: true } &[0xc5, 0xf1, 0xc4, 0xd8, 0x78], "vpinsrw xmm3, xmm1, eax, 0x78"),
+        testcase!(features { AVX: true } &[0xc5, 0xf1, 0xc4, 0x18, 0x78], "vpinsrw xmm3, xmm1, word [rax], 0x78"),
+
+        testcase!(features { AVX: true } &[0xc5, 0xe0, 0x54, 0x03], "vandps xmm0, xmm3, xmmword [rbx]"),
+        testcase!(features { AVX: true } &[0xc5, 0xe1, 0x54, 0x03], "vandpd xmm0, xmm3, xmmword [rbx]"),
+        testcase!(features { AVX: true } &[0xc5, 0xe0, 0x55, 0x03], "vandnps xmm0, xmm3, xmmword [rbx]"),
+        testcase!(features { AVX: true } &[0xc5, 0xe1, 0x55, 0x03], "vandnpd xmm0, xmm3, xmmword [rbx]"),
+        testcase!(features { AVX: true } &[0xc5, 0xe0, 0x56, 0x03], "vorps xmm0, xmm3, xmmword [rbx]"),
+        testcase!(features { AVX: true } &[0xc5, 0xe1, 0x56, 0x03], "vorpd xmm0, xmm3, xmmword [rbx]"),
+        testcase!(features { AVX: true } &[0xc4, 0xa2, 0x15, 0x3e, 0x14, 0xb9], "vpmaxuw ymm2, ymm13, ymmword [rcx + r15 * 4]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn strange_prefixing() {
-    test_display(&[0x45, 0x66, 0x0f, 0x21, 0xc8], "mov rax, dr1");
-    test_display(&[0x45, 0xf2, 0x0f, 0x21, 0xc8], "mov rax, dr1");
-    test_display(&[0x45, 0xf3, 0x0f, 0x21, 0xc8], "mov rax, dr1");
+mod strange_prefixing {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x45, 0x66, 0x0f, 0x21, 0xc8], "mov rax, dr1"),
+        testcase!(&[0x45, 0xf2, 0x0f, 0x21, 0xc8], "mov rax, dr1"),
+        testcase!(&[0x45, 0xf3, 0x0f, 0x21, 0xc8], "mov rax, dr1"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn prefixed_0f() {
-    test_display(&[0x0f, 0x02, 0x01], "lar eax, word [rcx]");
-    test_display(&[0x0f, 0x02, 0xc1], "lar eax, ecx");
-    test_display(&[0x4f, 0x0f, 0x02, 0x01], "lar r8, word [r9]");
-    test_display(&[0x4f, 0x0f, 0x02, 0xc1], "lar r8, r9");
-    test_display(&[0x66, 0x0f, 0x02, 0x01], "lar ax, word [rcx]");
-    test_display(&[0x66, 0x0f, 0x02, 0xc1], "lar ax, cx");
-    test_display(&[0x0f, 0x03, 0x01], "lsl eax, word [rcx]");
-    test_display(&[0x0f, 0x03, 0xc1], "lsl eax, ecx");
-    test_display(&[0x48, 0x0f, 0x03, 0x01], "lsl rax, word [rcx]");
-    // capstone says `lsl rax, rcx`, but xed says `rax, ecx`. intel docs also say second reg should
-    // be dword.
-    test_display(&[0x48, 0x0f, 0x03, 0xc1], "lsl rax, ecx");
-    test_display(&[0x66, 0x0f, 0x03, 0x01], "lsl ax, word [rcx]");
-    test_display(&[0x66, 0x0f, 0x03, 0xc1], "lsl ax, cx");
-    test_display(&[0x0f, 0x05], "syscall");
-    test_display(&[0x48, 0x0f, 0x05], "syscall");
-    test_display(&[0x66, 0x0f, 0x05], "syscall");
-    test_display(&[0x0f, 0x06], "clts");
-    test_display(&[0xf2, 0x0f, 0x06], "clts");
-    test_display(&[0x0f, 0x07], "sysret");
-    test_display(&[0xf2, 0x0f, 0x07], "sysret");
-    test_display(&[0x0f, 0x12, 0x0f], "movlps xmm1, qword [rdi]");
-    test_display(&[0x0f, 0x12, 0xcf], "movhlps xmm1, xmm7");
-    test_display(&[0x0f, 0x16, 0x0f], "movhps xmm1, qword [rdi]");
-    test_display(&[0x0f, 0x16, 0xcf], "movlhps xmm1, xmm7");
-    test_display(&[0x0f, 0x12, 0xc0], "movhlps xmm0, xmm0");
-    test_invalid(&[0x0f, 0x13, 0xc0]);
-    test_display(&[0x0f, 0x13, 0x00], "movlps qword [rax], xmm0");
-    test_display(&[0x0f, 0x14, 0x08], "unpcklps xmm1, xmmword [rax]");
-    test_display(&[0x0f, 0x15, 0x08], "unpckhps xmm1, xmmword [rax]");
-    test_display(&[0x0f, 0x16, 0x0f], "movhps xmm1, qword [rdi]");
-    test_display(&[0x0f, 0x16, 0xc0], "movlhps xmm0, xmm0");
-    test_invalid(&[0x0f, 0x17, 0xc0]);
-    test_display(&[0x0f, 0x17, 0x00], "movhps qword [rax], xmm0");
-    test_display(&[0x0f, 0x18, 0xc0], "nop eax"); // capstone says invalid, xed says nop
-    test_display(&[0x0f, 0x18, 0x00], "prefetchnta zmmword [rax]");
-    test_display(&[0x0f, 0x18, 0x08], "prefetch0 zmmword [rax]");
-    test_display(&[0x0f, 0x18, 0x10], "prefetch1 zmmword [rax]");
-    test_display(&[0x0f, 0x18, 0x18], "prefetch2 zmmword [rax]");
-    test_display(&[0x0f, 0x18, 0x20], "nop zmmword [rax]");
-    test_display(&[0x4f, 0x0f, 0x18, 0x20], "nop zmmword [r8]");
-    test_display(&[0x0f, 0x18, 0xcc], "nop esp");
-    test_display(&[0x0f, 0x19, 0x20], "nop dword [rax]");
-    test_display(&[0x0f, 0x1a, 0x20], "nop dword [rax]");
-    test_display(&[0x0f, 0x1b, 0x20], "nop dword [rax]");
-    test_display(&[0x0f, 0x1c, 0x20], "nop dword [rax]");
-    test_display(&[0x0f, 0x1d, 0x20], "nop dword [rax]");
-    test_display(&[0x0f, 0x1e, 0x20], "nop dword [rax]");
-    test_display(&[0x0f, 0x1f, 0x20], "nop dword [rax]");
-    test_invalid(&[0x45, 0x0f, 0x20, 0xc8]);
-    test_display(&[0x45, 0x0f, 0x20, 0xc0], "mov r8, cr8");
-    test_invalid(&[0x0f, 0x20, 0xc8]);
-    test_invalid(&[0x45, 0x0f, 0x21, 0xc8]);
-    test_display(&[0x0f, 0x21, 0xc8], "mov rax, dr1");
-    test_invalid(&[0x45, 0x0f, 0x22, 0xc8]);
-    test_display(&[0x45, 0x0f, 0x22, 0xc0], "mov cr8, r8");
-    test_invalid(&[0x40, 0x0f, 0x22, 0xc8]);
-    test_invalid(&[0x0f, 0x22, 0xc8]);
-    test_display(&[0x0f, 0x22, 0xc0], "mov cr0, rax");
-    test_invalid(&[0x44, 0x0f, 0x22, 0xcf]);
-    test_display(&[0x0f, 0x22, 0xc7], "mov cr0, rdi");
-    test_invalid(&[0x0f, 0x22, 0xcf]);
-    test_invalid(&[0x45, 0x0f, 0x23, 0xc8]);
-    test_display(&[0x40, 0x0f, 0x23, 0xc8], "mov dr1, rax");
-    test_display(&[0x0f, 0x23, 0xc8], "mov dr1, rax");
-    test_invalid(&[0x44, 0x0f, 0x23, 0xcf]);
-    test_display(&[0x0f, 0x23, 0xcf], "mov dr1, rdi");
-    test_display(&[0x0f, 0x30], "wrmsr");
-    test_display(&[0x0f, 0x31], "rdtsc");
-    test_display(&[0x0f, 0x32], "rdmsr");
-    test_display(&[0x0f, 0x33], "rdpmc");
-    test_display(&[0x0f, 0x34], "sysenter");
-    test_display(&[0x0f, 0x35], "sysexit");
-    test_invalid(&[0x0f, 0x36]);
-    test_display(&[0x0f, 0x37], "getsec");
-    test_invalid(&[0x66, 0x0f, 0x37]);
-    test_invalid(&[0xf2, 0x0f, 0x37]);
-    test_invalid(&[0xf3, 0x0f, 0x37]);
-    test_display(&[0x0f, 0x60, 0x00], "punpcklbw mm0, dword [rax]");
-    test_display(&[0x0f, 0x60, 0xc2], "punpcklbw mm0, mm2");
-    test_display(&[0x0f, 0x61, 0x00], "punpcklwd mm0, dword [rax]");
-    test_display(&[0x0f, 0x61, 0xc2], "punpcklwd mm0, mm2");
-    test_display(&[0x0f, 0x62, 0x00], "punpckldq mm0, dword [rax]");
-    test_display(&[0x0f, 0x62, 0xc2], "punpckldq mm0, mm2");
-    test_display(&[0x0f, 0x63, 0x00], "packsswb mm0, qword [rax]");
-    test_display(&[0x0f, 0x63, 0xc2], "packsswb mm0, mm2");
-    test_display(&[0x0f, 0x64, 0x00], "pcmpgtb mm0, qword [rax]");
-    test_display(&[0x0f, 0x64, 0xc2], "pcmpgtb mm0, mm2");
-    test_display(&[0x0f, 0x65, 0x00], "pcmpgtw mm0, qword [rax]");
-    test_display(&[0x0f, 0x65, 0xc2], "pcmpgtw mm0, mm2");
-    test_display(&[0x0f, 0x66, 0x00], "pcmpgtd mm0, qword [rax]");
-    test_display(&[0x0f, 0x66, 0xc2], "pcmpgtd mm0, mm2");
-    test_display(&[0x0f, 0x67, 0x00], "packuswb mm0, qword [rax]");
-    test_display(&[0x0f, 0x67, 0xc2], "packuswb mm0, mm2");
-    test_display(&[0x0f, 0x68, 0x00], "punpckhbw mm0, qword [rax]");
-    test_display(&[0x0f, 0x68, 0xc2], "punpckhbw mm0, mm2");
-    test_display(&[0x0f, 0x69, 0x00], "punpckhwd mm0, qword [rax]");
-    test_display(&[0x0f, 0x69, 0xc2], "punpckhwd mm0, mm2");
-    test_display(&[0x0f, 0x6a, 0x00], "punpckhdq mm0, qword [rax]");
-    test_display(&[0x0f, 0x6a, 0xc2], "punpckhdq mm0, mm2");
-    test_display(&[0x0f, 0x6b, 0x00], "packssdw mm0, qword [rax]");
-    test_display(&[0x0f, 0x6b, 0xc2], "packssdw mm0, mm2");
-    test_invalid(&[0x0f, 0x6c]);
-    test_invalid(&[0x0f, 0x6d]);
-    test_display(&[0x0f, 0x6e, 0x00], "movd mm0, dword [rax]");
-    test_display(&[0x0f, 0x6e, 0xc2], "movd mm0, edx");
-    test_display(&[0x0f, 0x6f, 0x00], "movq mm0, qword [rax]");
-    test_display(&[0x0f, 0x6f, 0xc2], "movq mm0, mm2");
-    test_display(&[0x0f, 0x6f, 0xfb], "movq mm7, mm3");
-    test_display(&[0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [rax], 0x7f");
-    test_display(&[0x4f, 0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [r8], 0x7f");
-    test_invalid(&[0x0f, 0x71, 0x00, 0x7f]);
-    test_invalid(&[0x0f, 0x71, 0xc0, 0x7f]);
-    test_display(&[0x0f, 0x71, 0xd0, 0x7f], "psrlw mm0, 0x7f");
-    test_display(&[0x0f, 0x71, 0xe0, 0x7f], "psraw mm0, 0x7f");
-    test_display(&[0x0f, 0x71, 0xf0, 0x7f], "psllw mm0, 0x7f");
-    test_invalid(&[0x0f, 0x72, 0x00, 0x7f]);
-    test_invalid(&[0x0f, 0x72, 0xc0, 0x7f]);
-    test_display(&[0x0f, 0x72, 0xd0, 0x7f], "psrld mm0, 0x7f");
-    test_display(&[0x0f, 0x72, 0xe0, 0x7f], "psrad mm0, 0x7f");
-    test_display(&[0x0f, 0x72, 0xf0, 0x7f], "pslld mm0, 0x7f");
-    test_invalid(&[0x0f, 0x73, 0x00, 0x7f]);
-    test_invalid(&[0x0f, 0x73, 0xc0, 0x7f]);
-    test_display(&[0x0f, 0x73, 0xd0, 0x7f], "psrlq mm0, 0x7f");
-    test_invalid(&[0x0f, 0x73, 0xe0, 0x7f]);
-    test_display(&[0x0f, 0x73, 0xf0, 0x7f], "psllq mm0, 0x7f");
-    test_display(&[0x0f, 0xa0], "push fs");
-    test_display(&[0x0f, 0xa1], "pop fs");
-    test_display(&[0x0f, 0xa2], "cpuid");
-    test_display(&[0x0f, 0xa4, 0xc0, 0x11], "shld eax, eax, 0x11");
-    test_display(&[0x66, 0x0f, 0xa4, 0xcf, 0x11], "shld di, cx, 0x11");
-    test_display(&[0x66, 0x45, 0x0f, 0xa4, 0xcf, 0x11], "shld r15w, r9w, 0x11");
-    test_display(&[0x0f, 0xa5, 0xc0], "shld eax, eax, cl");
-    test_display(&[0x0f, 0xa5, 0xc9], "shld ecx, ecx, cl");
-    test_display(&[0x0f, 0xac, 0xc0, 0x11], "shrd eax, eax, 0x11");
-    test_display(&[0x66, 0x0f, 0xac, 0xcf, 0x11], "shrd di, cx, 0x11");
-    test_display(&[0x66, 0x45, 0x0f, 0xac, 0xcf, 0x11], "shrd r15w, r9w, 0x11");
-    test_display(&[0x0f, 0xad, 0xc9], "shrd ecx, ecx, cl");
+mod prefixed_0f {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0x02, 0x01], "lar eax, word [rcx]"),
+        testcase!(&[0x0f, 0x02, 0xc1], "lar eax, ecx"),
+        testcase!(&[0x4f, 0x0f, 0x02, 0x01], "lar r8, word [r9]"),
+        testcase!(&[0x4f, 0x0f, 0x02, 0xc1], "lar r8, r9"),
+        testcase!(&[0x66, 0x0f, 0x02, 0x01], "lar ax, word [rcx]"),
+        testcase!(&[0x66, 0x0f, 0x02, 0xc1], "lar ax, cx"),
+        testcase!(&[0x0f, 0x03, 0x01], "lsl eax, word [rcx]"),
+        testcase!(&[0x0f, 0x03, 0xc1], "lsl eax, ecx"),
+        testcase!(&[0x48, 0x0f, 0x03, 0x01], "lsl rax, word [rcx]"),
+        // capstone says `lsl rax, rcx`, but xed says `rax, ecx`. intel docs also say second reg should
+        // be dword.
+        testcase!(&[0x48, 0x0f, 0x03, 0xc1], "lsl rax, ecx"),
+        testcase!(&[0x66, 0x0f, 0x03, 0x01], "lsl ax, word [rcx]"),
+        testcase!(&[0x66, 0x0f, 0x03, 0xc1], "lsl ax, cx"),
+        testcase!(&[0x0f, 0x05], "syscall"),
+        testcase!(&[0x48, 0x0f, 0x05], "syscall"),
+        testcase!(&[0x66, 0x0f, 0x05], "syscall"),
+        testcase!(&[0x0f, 0x06], "clts"),
+        testcase!(&[0xf2, 0x0f, 0x06], "clts"),
+        testcase!(&[0x0f, 0x07], "sysret"),
+        testcase!(&[0xf2, 0x0f, 0x07], "sysret"),
+        testcase!(&[0x0f, 0x12, 0x0f], "movlps xmm1, qword [rdi]"),
+        testcase!(&[0x0f, 0x12, 0xcf], "movhlps xmm1, xmm7"),
+        testcase!(&[0x0f, 0x16, 0x0f], "movhps xmm1, qword [rdi]"),
+        testcase!(&[0x0f, 0x16, 0xcf], "movlhps xmm1, xmm7"),
+        testcase!(&[0x0f, 0x12, 0xc0], "movhlps xmm0, xmm0"),
+        testcase!(invalid: &[0x0f, 0x13, 0xc0]),
+        testcase!(&[0x0f, 0x13, 0x00], "movlps qword [rax], xmm0"),
+        testcase!(&[0x0f, 0x14, 0x08], "unpcklps xmm1, xmmword [rax]"),
+        testcase!(&[0x0f, 0x15, 0x08], "unpckhps xmm1, xmmword [rax]"),
+        testcase!(&[0x0f, 0x16, 0x0f], "movhps xmm1, qword [rdi]"),
+        testcase!(&[0x0f, 0x16, 0xc0], "movlhps xmm0, xmm0"),
+        testcase!(invalid: &[0x0f, 0x17, 0xc0]),
+        testcase!(&[0x0f, 0x17, 0x00], "movhps qword [rax], xmm0"),
+        testcase!(&[0x0f, 0x18, 0xc0], "nop eax"), // capstone says invalid, xed says nop
+        testcase!(&[0x0f, 0x18, 0x00], "prefetchnta zmmword [rax]"),
+        testcase!(&[0x0f, 0x18, 0x08], "prefetch0 zmmword [rax]"),
+        testcase!(&[0x0f, 0x18, 0x10], "prefetch1 zmmword [rax]"),
+        testcase!(&[0x0f, 0x18, 0x18], "prefetch2 zmmword [rax]"),
+        testcase!(&[0x0f, 0x18, 0x20], "nop zmmword [rax]"),
+        testcase!(&[0x4f, 0x0f, 0x18, 0x20], "nop zmmword [r8]"),
+        testcase!(&[0x0f, 0x18, 0xcc], "nop esp"),
+        testcase!(&[0x0f, 0x19, 0x20], "nop dword [rax]"),
+        testcase!(&[0x0f, 0x1a, 0x20], "nop dword [rax]"),
+        testcase!(&[0x0f, 0x1b, 0x20], "nop dword [rax]"),
+        testcase!(&[0x0f, 0x1c, 0x20], "nop dword [rax]"),
+        testcase!(&[0x0f, 0x1d, 0x20], "nop dword [rax]"),
+        testcase!(&[0x0f, 0x1e, 0x20], "nop dword [rax]"),
+        testcase!(&[0x0f, 0x1f, 0x20], "nop dword [rax]"),
+        testcase!(invalid: &[0x45, 0x0f, 0x20, 0xc8]),
+        testcase!(&[0x45, 0x0f, 0x20, 0xc0], "mov r8, cr8"),
+        testcase!(invalid: &[0x0f, 0x20, 0xc8]),
+        testcase!(invalid: &[0x45, 0x0f, 0x21, 0xc8]),
+        testcase!(&[0x0f, 0x21, 0xc8], "mov rax, dr1"),
+        testcase!(invalid: &[0x45, 0x0f, 0x22, 0xc8]),
+        testcase!(&[0x45, 0x0f, 0x22, 0xc0], "mov cr8, r8"),
+        testcase!(invalid: &[0x40, 0x0f, 0x22, 0xc8]),
+        testcase!(invalid: &[0x0f, 0x22, 0xc8]),
+        testcase!(&[0x0f, 0x22, 0xc0], "mov cr0, rax"),
+        testcase!(invalid: &[0x44, 0x0f, 0x22, 0xcf]),
+        testcase!(&[0x0f, 0x22, 0xc7], "mov cr0, rdi"),
+        testcase!(invalid: &[0x0f, 0x22, 0xcf]),
+        testcase!(invalid: &[0x45, 0x0f, 0x23, 0xc8]),
+        testcase!(&[0x40, 0x0f, 0x23, 0xc8], "mov dr1, rax"),
+        testcase!(&[0x0f, 0x23, 0xc8], "mov dr1, rax"),
+        testcase!(invalid: &[0x44, 0x0f, 0x23, 0xcf]),
+        testcase!(&[0x0f, 0x23, 0xcf], "mov dr1, rdi"),
+        testcase!(&[0x0f, 0x30], "wrmsr"),
+        testcase!(&[0x0f, 0x31], "rdtsc"),
+        testcase!(&[0x0f, 0x32], "rdmsr"),
+        testcase!(&[0x0f, 0x33], "rdpmc"),
+        testcase!(&[0x0f, 0x34], "sysenter"),
+        testcase!(&[0x0f, 0x35], "sysexit"),
+        testcase!(invalid: &[0x0f, 0x36]),
+        testcase!(&[0x0f, 0x37], "getsec"),
+        testcase!(invalid: &[0x66, 0x0f, 0x37]),
+        testcase!(invalid: &[0xf2, 0x0f, 0x37]),
+        testcase!(invalid: &[0xf3, 0x0f, 0x37]),
+        testcase!(&[0x0f, 0x60, 0x00], "punpcklbw mm0, dword [rax]"),
+        testcase!(&[0x0f, 0x60, 0xc2], "punpcklbw mm0, mm2"),
+        testcase!(&[0x0f, 0x61, 0x00], "punpcklwd mm0, dword [rax]"),
+        testcase!(&[0x0f, 0x61, 0xc2], "punpcklwd mm0, mm2"),
+        testcase!(&[0x0f, 0x62, 0x00], "punpckldq mm0, dword [rax]"),
+        testcase!(&[0x0f, 0x62, 0xc2], "punpckldq mm0, mm2"),
+        testcase!(&[0x0f, 0x63, 0x00], "packsswb mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x63, 0xc2], "packsswb mm0, mm2"),
+        testcase!(&[0x0f, 0x64, 0x00], "pcmpgtb mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x64, 0xc2], "pcmpgtb mm0, mm2"),
+        testcase!(&[0x0f, 0x65, 0x00], "pcmpgtw mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x65, 0xc2], "pcmpgtw mm0, mm2"),
+        testcase!(&[0x0f, 0x66, 0x00], "pcmpgtd mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x66, 0xc2], "pcmpgtd mm0, mm2"),
+        testcase!(&[0x0f, 0x67, 0x00], "packuswb mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x67, 0xc2], "packuswb mm0, mm2"),
+        testcase!(&[0x0f, 0x68, 0x00], "punpckhbw mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x68, 0xc2], "punpckhbw mm0, mm2"),
+        testcase!(&[0x0f, 0x69, 0x00], "punpckhwd mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x69, 0xc2], "punpckhwd mm0, mm2"),
+        testcase!(&[0x0f, 0x6a, 0x00], "punpckhdq mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x6a, 0xc2], "punpckhdq mm0, mm2"),
+        testcase!(&[0x0f, 0x6b, 0x00], "packssdw mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x6b, 0xc2], "packssdw mm0, mm2"),
+        testcase!(invalid: &[0x0f, 0x6c]),
+        testcase!(invalid: &[0x0f, 0x6d]),
+        testcase!(&[0x0f, 0x6e, 0x00], "movd mm0, dword [rax]"),
+        testcase!(&[0x0f, 0x6e, 0xc2], "movd mm0, edx"),
+        testcase!(&[0x0f, 0x6f, 0x00], "movq mm0, qword [rax]"),
+        testcase!(&[0x0f, 0x6f, 0xc2], "movq mm0, mm2"),
+        testcase!(&[0x0f, 0x6f, 0xfb], "movq mm7, mm3"),
+        testcase!(&[0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [rax], 0x7f"),
+        testcase!(&[0x4f, 0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [r8], 0x7f"),
+        testcase!(invalid: &[0x0f, 0x71, 0x00, 0x7f]),
+        testcase!(invalid: &[0x0f, 0x71, 0xc0, 0x7f]),
+        testcase!(&[0x0f, 0x71, 0xd0, 0x7f], "psrlw mm0, 0x7f"),
+        testcase!(&[0x0f, 0x71, 0xe0, 0x7f], "psraw mm0, 0x7f"),
+        testcase!(&[0x0f, 0x71, 0xf0, 0x7f], "psllw mm0, 0x7f"),
+        testcase!(invalid: &[0x0f, 0x72, 0x00, 0x7f]),
+        testcase!(invalid: &[0x0f, 0x72, 0xc0, 0x7f]),
+        testcase!(&[0x0f, 0x72, 0xd0, 0x7f], "psrld mm0, 0x7f"),
+        testcase!(&[0x0f, 0x72, 0xe0, 0x7f], "psrad mm0, 0x7f"),
+        testcase!(&[0x0f, 0x72, 0xf0, 0x7f], "pslld mm0, 0x7f"),
+        testcase!(invalid: &[0x0f, 0x73, 0x00, 0x7f]),
+        testcase!(invalid: &[0x0f, 0x73, 0xc0, 0x7f]),
+        testcase!(&[0x0f, 0x73, 0xd0, 0x7f], "psrlq mm0, 0x7f"),
+        testcase!(invalid: &[0x0f, 0x73, 0xe0, 0x7f]),
+        testcase!(&[0x0f, 0x73, 0xf0, 0x7f], "psllq mm0, 0x7f"),
+        testcase!(&[0x0f, 0xa0], "push fs"),
+        testcase!(&[0x0f, 0xa1], "pop fs"),
+        testcase!(&[0x0f, 0xa2], "cpuid"),
+        testcase!(&[0x0f, 0xa4, 0xc0, 0x11], "shld eax, eax, 0x11"),
+        testcase!(&[0x66, 0x0f, 0xa4, 0xcf, 0x11], "shld di, cx, 0x11"),
+        testcase!(&[0x66, 0x45, 0x0f, 0xa4, 0xcf, 0x11], "shld r15w, r9w, 0x11"),
+        testcase!(&[0x0f, 0xa5, 0xc0], "shld eax, eax, cl"),
+        testcase!(&[0x0f, 0xa5, 0xc9], "shld ecx, ecx, cl"),
+        testcase!(&[0x0f, 0xac, 0xc0, 0x11], "shrd eax, eax, 0x11"),
+        testcase!(&[0x66, 0x0f, 0xac, 0xcf, 0x11], "shrd di, cx, 0x11"),
+        testcase!(&[0x66, 0x45, 0x0f, 0xac, 0xcf, 0x11], "shrd r15w, r9w, 0x11"),
+        testcase!(&[0x0f, 0xad, 0xc9], "shrd ecx, ecx, cl"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn prefixed_660f() {
-    test_display(&[0x66, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm0");
-    test_display(&[0x66, 0x48, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm0");
-    test_display(&[0x66, 0x4a, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm0");
-    test_display(&[0x66, 0x4b, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm8");
-    test_display(&[0x66, 0x4c, 0x0f, 0x10, 0xc0], "movupd xmm8, xmm0");
-    test_display(&[0x66, 0x4d, 0x0f, 0x10, 0xc0], "movupd xmm8, xmm8");
-    test_display(&[0xf2, 0x66, 0x66, 0x4d, 0x0f, 0x10, 0xc0], "movsd xmm8, xmm8");
+mod prefixed_660f {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x66, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm0"),
+        testcase!(&[0x66, 0x48, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm0"),
+        testcase!(&[0x66, 0x4a, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm0"),
+        testcase!(&[0x66, 0x4b, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm8"),
+        testcase!(&[0x66, 0x4c, 0x0f, 0x10, 0xc0], "movupd xmm8, xmm0"),
+        testcase!(&[0x66, 0x4d, 0x0f, 0x10, 0xc0], "movupd xmm8, xmm8"),
+        testcase!(&[0xf2, 0x66, 0x66, 0x4d, 0x0f, 0x10, 0xc0], "movsd xmm8, xmm8"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn prefixed_f20f() {
-    test_invalid(&[0xf2, 0x0f, 0x16, 0xcf]);
-    test_invalid(&[0xf2, 0x4d, 0x0f, 0x16, 0xcf]);
-    test_invalid(&[0x40, 0x66, 0xf2, 0x66, 0x4d, 0x0f, 0x16, 0xcf]);
+mod prefixed_f20f {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(invalid: &[0xf2, 0x0f, 0x16, 0xcf]),
+        testcase!(invalid: &[0xf2, 0x4d, 0x0f, 0x16, 0xcf]),
+        testcase!(invalid: &[0x40, 0x66, 0xf2, 0x66, 0x4d, 0x0f, 0x16, 0xcf]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn prefixed_f30f() {
-    test_display(&[0xf3, 0x0f, 0x16, 0xcf], "movshdup xmm1, xmm7");
-    test_display(&[0xf3, 0x4d, 0x0f, 0x16, 0xcf], "movshdup xmm9, xmm15");
-    test_display(&[0xf3, 0x0f, 0x1e, 0xfa], "endbr64");
-    test_display(&[0xf3, 0x0f, 0x1e, 0xfb], "endbr32");
-    test_display(&[0xf3, 0x0f, 0x1e, 0xfc], "nop esp, edi");
+mod prefixed_f30f {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x0f, 0x16, 0xcf], "movshdup xmm1, xmm7"),
+        testcase!(&[0xf3, 0x4d, 0x0f, 0x16, 0xcf], "movshdup xmm9, xmm15"),
+        testcase!(&[0xf3, 0x0f, 0x1e, 0xfa], "endbr64"),
+        testcase!(&[0xf3, 0x0f, 0x1e, 0xfb], "endbr32"),
+        testcase!(&[0xf3, 0x0f, 0x1e, 0xfc], "nop esp, edi"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn only_64bit() {
-    test_display(&[0xae], "scas byte es:[rdi], al");
-    test_display(&[0xaf], "scas dword es:[rdi], eax");
-    test_display(&[0x67, 0xaf], "scas dword es:[edi], eax");
-    test_display(&[0x67, 0xac], "lods al, byte [esi]");
-    test_display(&[0x67, 0xaa], "stos byte es:[edi], al");
-    // note that rax.b does *not* change the register
-    test_display(&[0x4f, 0xa0, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov al, byte [0x3412341234123412]");
-    test_display(&[0x4f, 0xa1, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov rax, qword [0x3412341234123412]");
-    test_display(&[0x4f, 0xa2, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov byte [0x3412341234123412], al");
-    test_display(&[0x4f, 0xa3, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov qword [0x3412341234123412], rax");
+mod only_64bit {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xae], "scas byte es:[rdi], al"),
+        testcase!(&[0xaf], "scas dword es:[rdi], eax"),
+        testcase!(&[0x67, 0xaf], "scas dword es:[edi], eax"),
+        testcase!(&[0x67, 0xac], "lods al, byte [esi]"),
+        testcase!(&[0x67, 0xaa], "stos byte es:[edi], al"),
+        // note that rax.b does *not* change the register
+        testcase!(&[0x4f, 0xa0, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov al, byte [0x3412341234123412]"),
+        testcase!(&[0x4f, 0xa1, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov rax, qword [0x3412341234123412]"),
+        testcase!(&[0x4f, 0xa2, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov byte [0x3412341234123412], al"),
+        testcase!(&[0x4f, 0xa3, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34], "mov qword [0x3412341234123412], rax"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_adx() {
-    test_display(&[0x66, 0x0f, 0x38, 0xf6, 0xc1], "adcx eax, ecx");
-    test_display(&[0x66, 0x0f, 0x38, 0xf6, 0x01], "adcx eax, dword [rcx]");
-    test_display(&[0x66, 0x4f, 0x0f, 0x38, 0xf6, 0x01], "adcx r8, qword [r9]");
-    test_display(&[0xf3, 0x0f, 0x38, 0xf6, 0xc1], "adox eax, ecx");
-    test_display(&[0xf3, 0x0f, 0x38, 0xf6, 0x01], "adox eax, dword [rcx]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0x38, 0xf6, 0x01], "adox r8, qword [r9]");
+mod adx {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x66, 0x0f, 0x38, 0xf6, 0xc1], "adcx eax, ecx"),
+        testcase!(&[0x66, 0x0f, 0x38, 0xf6, 0x01], "adcx eax, dword [rcx]"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0x38, 0xf6, 0x01], "adcx r8, qword [r9]"),
+        testcase!(&[0xf3, 0x0f, 0x38, 0xf6, 0xc1], "adox eax, ecx"),
+        testcase!(&[0xf3, 0x0f, 0x38, 0xf6, 0x01], "adox eax, dword [rcx]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0x38, 0xf6, 0x01], "adox r8, qword [r9]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_prefetchw() {
-    test_display(&[0x0f, 0x0d, 0x08], "prefetchw zmmword [rax]");
-    test_display(&[0x0f, 0x0d, 0x00], "nop zmmword [rax]");
-    test_invalid(&[0x0f, 0x0d, 0xc0]);
+mod prefetchw {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0x0d, 0x08], "prefetchw zmmword [rax]"),
+        testcase!(&[0x0f, 0x0d, 0x00], "nop zmmword [rax]"),
+        testcase!(invalid: &[0x0f, 0x0d, 0xc0]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_lzcnt() {
-    test_display(&[0x66, 0xf3, 0x0f, 0xbd, 0xc1], "lzcnt ax, cx");
-    test_display(&[0xf3, 0x0f, 0xbd, 0xc1], "lzcnt eax, ecx");
-    test_display(&[0xf3, 0x48, 0x0f, 0xbd, 0xc1], "lzcnt rax, rcx");
+mod lzcnt {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x66, 0xf3, 0x0f, 0xbd, 0xc1], "lzcnt ax, cx"),
+        testcase!(&[0xf3, 0x0f, 0xbd, 0xc1], "lzcnt eax, ecx"),
+        testcase!(&[0xf3, 0x48, 0x0f, 0xbd, 0xc1], "lzcnt rax, rcx"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_svm() {
-    test_display(&[0x0f, 0x01, 0xdf], "invlpga rax, ecx");
-    test_display(&[0x0f, 0x01, 0xde], "skinit eax");
-    test_display(&[0x0f, 0x01, 0xdd], "clgi");
-    test_display(&[0x0f, 0x01, 0xdc], "stgi");
-    test_display(&[0x0f, 0x01, 0xdb], "vmsave rax");
-    test_display(&[0x0f, 0x01, 0xda], "vmload rax");
-    test_display(&[0x0f, 0x01, 0xd9], "vmmcall");
-    test_display(&[0x0f, 0x01, 0xd8], "vmrun rax");
-    test_display(&[0x0f, 0x78, 0xc4], "vmread rsp, rax");
-    test_display(&[0x0f, 0x79, 0xc5], "vmwrite rax, rbp");
-    test_display(&[0x0f, 0x78, 0x0b], "vmread qword [rbx], rcx");
-    test_invalid(&[0x66, 0x0f, 0x78, 0x03]);
-    test_display(&[0x0f, 0x79, 0x0b], "vmwrite rcx, qword [rbx]");
-    test_invalid(&[0x66, 0x0f, 0x79, 0x03]);
+mod svm {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0x01, 0xdf], "invlpga rax, ecx"),
+        testcase!(&[0x0f, 0x01, 0xde], "skinit eax"),
+        testcase!(&[0x0f, 0x01, 0xdd], "clgi"),
+        testcase!(&[0x0f, 0x01, 0xdc], "stgi"),
+        testcase!(&[0x0f, 0x01, 0xdb], "vmsave rax"),
+        testcase!(&[0x0f, 0x01, 0xda], "vmload rax"),
+        testcase!(&[0x0f, 0x01, 0xd9], "vmmcall"),
+        testcase!(&[0x0f, 0x01, 0xd8], "vmrun rax"),
+        testcase!(&[0x0f, 0x78, 0xc4], "vmread rsp, rax"),
+        testcase!(&[0x0f, 0x79, 0xc5], "vmwrite rax, rbp"),
+        testcase!(&[0x0f, 0x78, 0x0b], "vmread qword [rbx], rcx"),
+        testcase!(invalid: &[0x66, 0x0f, 0x78, 0x03]),
+        testcase!(&[0x0f, 0x79, 0x0b], "vmwrite rcx, qword [rbx]"),
+        testcase!(invalid: &[0x66, 0x0f, 0x79, 0x03]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_movbe() {
-    test_display(&[0x0f, 0x38, 0xf0, 0x06], "movbe eax, dword [rsi]");
-    test_display(&[0x4f, 0x0f, 0x38, 0xf0, 0x06], "movbe r8, qword [r14]");
-    test_invalid(&[0x4f, 0x0f, 0x38, 0xf0, 0xc6]);
-    test_display(&[0x0f, 0x38, 0xf1, 0x06], "movbe dword [rsi], eax");
-    test_display(&[0x4f, 0x0f, 0x38, 0xf1, 0x06], "movbe qword [r14], r8");
-    test_display(&[0x66, 0x0f, 0x38, 0xf1, 0x06], "movbe word [rsi], ax");
-    test_invalid(&[0x66, 0x0f, 0x38, 0xf1, 0xc6]);
+mod movbe {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0x38, 0xf0, 0x06], "movbe eax, dword [rsi]"),
+        testcase!(&[0x4f, 0x0f, 0x38, 0xf0, 0x06], "movbe r8, qword [r14]"),
+        testcase!(invalid: &[0x4f, 0x0f, 0x38, 0xf0, 0xc6]),
+        testcase!(&[0x0f, 0x38, 0xf1, 0x06], "movbe dword [rsi], eax"),
+        testcase!(&[0x4f, 0x0f, 0x38, 0xf1, 0x06], "movbe qword [r14], r8"),
+        testcase!(&[0x66, 0x0f, 0x38, 0xf1, 0x06], "movbe word [rsi], ax"),
+        testcase!(invalid: &[0x66, 0x0f, 0x38, 0xf1, 0xc6]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_tsx() {
-    test_display(&[0xc6, 0xf8, 0x10], "xabort 0x10");
-    test_display(&[0xc7, 0xf8, 0x10, 0x12, 0x34, 0x56], "xbegin $+0x56341210");
-    test_display(&[0x66, 0xc7, 0xf8, 0x10, 0x12], "xbegin $+0x1210");
-    test_display(&[0x0f, 0x01, 0xd5], "xend");
-    test_display(&[0x0f, 0x01, 0xd6], "xtest");
+mod tsx {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xc6, 0xf8, 0x10], "xabort 0x10"),
+        testcase!(&[0xc7, 0xf8, 0x10, 0x12, 0x34, 0x56], "xbegin $+0x56341210"),
+        testcase!(&[0x66, 0xc7, 0xf8, 0x10, 0x12], "xbegin $+0x1210"),
+        testcase!(&[0x0f, 0x01, 0xd5], "xend"),
+        testcase!(&[0x0f, 0x01, 0xd6], "xtest"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_rand() {
-    test_display(&[0x0f, 0xc7, 0xfd], "rdseed ebp");
-    test_display(&[0x66, 0x0f, 0xc7, 0xfd], "rdseed bp");
-    test_display(&[0x48, 0x0f, 0xc7, 0xfd], "rdseed rbp");
-    test_display(&[0x0f, 0xc7, 0xf5], "rdrand ebp");
-    test_display(&[0x66, 0x0f, 0xc7, 0xf5], "rdrand bp");
-    test_display(&[0x48, 0x0f, 0xc7, 0xf5], "rdrand rbp");
+mod x86_rand {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0xc7, 0xfd], "rdseed ebp"),
+        testcase!(&[0x66, 0x0f, 0xc7, 0xfd], "rdseed bp"),
+        testcase!(&[0x48, 0x0f, 0xc7, 0xfd], "rdseed rbp"),
+        testcase!(&[0x0f, 0xc7, 0xf5], "rdrand ebp"),
+        testcase!(&[0x66, 0x0f, 0xc7, 0xf5], "rdrand bp"),
+        testcase!(&[0x48, 0x0f, 0xc7, 0xf5], "rdrand rbp"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_sha() {
-    test_display(&[0x0f, 0x3a, 0xcc, 0x12, 0x40], "sha1rnds4 xmm2, xmmword [rdx], 0x40");
-    test_display(&[0x0f, 0x3a, 0xcc, 0x12, 0xff], "sha1rnds4 xmm2, xmmword [rdx], 0xff");
-    test_display(&[0x0f, 0x38, 0xc8, 0x12], "sha1nexte xmm2, xmmword [rdx]");
-    test_display(&[0x0f, 0x38, 0xc9, 0x12], "sha1msg1 xmm2, xmmword [rdx]");
-    test_display(&[0x0f, 0x38, 0xca, 0x12], "sha1msg2 xmm2, xmmword [rdx]");
-    test_display(&[0x0f, 0x38, 0xcb, 0x12], "sha256rnds2 xmm2, xmmword [rdx]");
-    test_display(&[0x0f, 0x38, 0xcc, 0x12], "sha256msg1 xmm2, xmmword [rdx]");
-    test_display(&[0x0f, 0x38, 0xcd, 0x12], "sha256msg2 xmm2, xmmword [rdx]");
+mod sha {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0x3a, 0xcc, 0x12, 0x40], "sha1rnds4 xmm2, xmmword [rdx], 0x40"),
+        testcase!(&[0x0f, 0x3a, 0xcc, 0x12, 0xff], "sha1rnds4 xmm2, xmmword [rdx], 0xff"),
+        testcase!(&[0x0f, 0x38, 0xc8, 0x12], "sha1nexte xmm2, xmmword [rdx]"),
+        testcase!(&[0x0f, 0x38, 0xc9, 0x12], "sha1msg1 xmm2, xmmword [rdx]"),
+        testcase!(&[0x0f, 0x38, 0xca, 0x12], "sha1msg2 xmm2, xmmword [rdx]"),
+        testcase!(&[0x0f, 0x38, 0xcb, 0x12], "sha256rnds2 xmm2, xmmword [rdx]"),
+        testcase!(&[0x0f, 0x38, 0xcc, 0x12], "sha256msg1 xmm2, xmmword [rdx]"),
+        testcase!(&[0x0f, 0x38, 0xcd, 0x12], "sha256msg2 xmm2, xmmword [rdx]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_vmx() {
-    fn test_display_vmx(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_vmx(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
+mod vmx {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0xc7, 0x3f], "vmptrst qword [rdi]"),
+        testcase!(&[0x0f, 0xc7, 0x37], "vmptrld qword [rdi]"),
+        testcase!(&[0xf3, 0x0f, 0xc7, 0x37], "vmxon qword [rdi]"),
+        testcase!(&[0x66, 0x0f, 0xc7, 0xf7], "rdrand di"),
+        testcase!(&[0x66, 0x0f, 0xc7, 0x37], "vmclear qword [rdi]"),
+
+        // this is actually vmx
+        // testcase!(invalid: &[0x66, 0x0f, 0xc7, 0x03]),
+        testcase!(&[0x66, 0x4f, 0x0f, 0xc7, 0x33], "vmclear qword [r11]"),
+        testcase!(&[0x66, 0x0f, 0xc7, 0x33], "vmclear qword [rbx]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xc7, 0x33], "vmxon qword [r11]"),
+        testcase!(&[0xf3, 0x0f, 0xc7, 0x33], "vmxon qword [rbx]"),
+
+        // these need vmx and invept features
+        testcase!(features { VMX: true } &[0x66, 0x0f, 0x38, 0x80, 0x01], "invept rax, xmmword [rcx]"),
+        testcase!(features { VMX: true } &[0x66, 0x0f, 0x38, 0x81, 0x01], "invvpid rax, xmmword [rcx]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
     }
+}
 
-    test_display(&[0x0f, 0xc7, 0x3f], "vmptrst qword [rdi]");
-    test_display(&[0x0f, 0xc7, 0x37], "vmptrld qword [rdi]");
-    test_display(&[0xf3, 0x0f, 0xc7, 0x37], "vmxon qword [rdi]");
-    test_display(&[0x66, 0x0f, 0xc7, 0xf7], "rdrand di");
-    test_display(&[0x66, 0x0f, 0xc7, 0x37], "vmclear qword [rdi]");
+mod rdpid {
+    use crate::long_mode::{TestCase, run_test};
 
-    // this is actually vmx
-    // test_invalid(&[0x66, 0x0f, 0xc7, 0x03]);
-    test_display(&[0x66, 0x4f, 0x0f, 0xc7, 0x33], "vmclear qword [r11]");
-    test_display(&[0x66, 0x0f, 0xc7, 0x33], "vmclear qword [rbx]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xc7, 0x33], "vmxon qword [r11]");
-    test_display(&[0xf3, 0x0f, 0xc7, 0x33], "vmxon qword [rbx]");
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x0f, 0xc7, 0xfd], "rdpid ebp"),
+    ];
 
-    // these need vmx and invept features
-    test_display_vmx(&[0x66, 0x0f, 0x38, 0x80, 0x01], "invept rax, xmmword [rcx]");
-    test_display_vmx(&[0x66, 0x0f, 0x38, 0x81, 0x01], "invvpid rax, xmmword [rcx]");
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_rdpid() {
-    test_display(&[0xf3, 0x0f, 0xc7, 0xfd], "rdpid ebp");
-}
+mod cmpxchg8b {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]"),
+        testcase!(&[0xf2, 0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]"),
+        testcase!(&[0xf3, 0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]"),
+        testcase!(&[0x66, 0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]"),
+        testcase!(&[0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]"),
+        testcase!(&[0xf2, 0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]"),
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]"),
+        testcase!(&[0x66, 0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]"),
+    ];
 
-#[test]
-fn test_cmpxchg8b() {
-    test_display(&[0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]");
-    test_display(&[0xf2, 0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]");
-    test_display(&[0xf3, 0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]");
-    test_display(&[0x66, 0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]");
-    test_display(&[0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]");
-    test_display(&[0xf2, 0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]");
-    test_display(&[0xf3, 0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]");
-    test_display(&[0x66, 0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]");
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_x87() {
-//    test_display(&[0xd8, 0x03], "fadd st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x03], "fadd st(0), dword [rbx]");
-//    test_display(&[0xd8, 0x0b], "fmul st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x0b], "fmul st(0), dword [rbx]");
-//    test_display(&[0xd8, 0x13], "fcom st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x13], "fcom st(0), dword [rbx]");
-//    test_display(&[0xd8, 0x1b], "fcomp st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x1b], "fcomp st(0), dword [rbx]");
-//    test_display(&[0xd8, 0x23], "fsub st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x23], "fsub st(0), dword [rbx]");
-//    test_display(&[0xd8, 0x2b], "fsubr st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x2b], "fsubr st(0), dword [rbx]");
-//    test_display(&[0xd8, 0x33], "fdiv st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x33], "fdiv st(0), dword [rbx]");
-//    test_display(&[0xd8, 0x3b], "fdivr st, dword ptr [rbx]");
-    test_display(&[0xd8, 0x3b], "fdivr st(0), dword [rbx]");
-//    test_display(&[0xd8, 0xc3], "fadd st, st(3)");
-    test_display(&[0xd8, 0xc3], "fadd st(0), st(3)");
-//    test_display(&[0xd8, 0xcb], "fmul st, st(3)");
-    test_display(&[0xd8, 0xcb], "fmul st(0), st(3)");
-//    test_display(&[0xd8, 0xd3], "fcom st, st(3)");
-    test_display(&[0xd8, 0xd3], "fcom st(0), st(3)");
-//    test_display(&[0xd8, 0xdb], "fcomp st, st(3)");
-    test_display(&[0xd8, 0xdb], "fcomp st(0), st(3)");
-//    test_display(&[0xd8, 0xe3], "fsub st, st(3)");
-    test_display(&[0xd8, 0xe3], "fsub st(0), st(3)");
-//    test_display(&[0xd8, 0xeb], "fsubr st, st(3)");
-    test_display(&[0xd8, 0xeb], "fsubr st(0), st(3)");
-//    test_display(&[0xd8, 0xf3], "fdiv st, st(3)");
-    test_display(&[0xd8, 0xf3], "fdiv st(0), st(3)");
-//    test_display(&[0xd8, 0xfb], "fdivr st, st(3)");
-    test_display(&[0xd8, 0xfb], "fdivr st(0), st(3)");
-//    test_display(&[0xd9, 0x03], "fld st, dword ptr [rbx]");
-    test_display(&[0xd9, 0x03], "fld st(0), dword [rbx]");
-    test_invalid(&[0xd9, 0x08]);
-    test_invalid(&[0xd9, 0x09]);
-    test_invalid(&[0xd9, 0x0a]);
-    test_invalid(&[0xd9, 0x0b]);
-    test_invalid(&[0xd9, 0x0c]);
-    test_invalid(&[0xd9, 0x0d]);
-    test_invalid(&[0xd9, 0x0e]);
-    test_invalid(&[0xd9, 0x0f]);
-//    test_display(&[0xd9, 0x13], "fst dword ptr [rbx], st");
-    test_display(&[0xd9, 0x13], "fst dword [rbx], st(0)");
-//    test_display(&[0xd9, 0x1b], "fstp dword ptr [rbx], st");
-    test_display(&[0xd9, 0x1b], "fstp dword [rbx], st(0)");
-//    test_display(&[0xd9, 0x23], "fldenv ptr [rbx]");
-    test_display(&[0xd9, 0x23], "fldenv ptr [rbx]");
-//    test_display(&[0xd9, 0x2b], "fldcw word ptr [rbx]");
-    test_display(&[0xd9, 0x2b], "fldcw word [rbx]");
-//    test_display(&[0xd9, 0x33], "fnstenv ptr [rbx]");
-    test_display(&[0xd9, 0x33], "fnstenv ptr [rbx]");
-//    test_display(&[0xd9, 0x3b], "fnstcw word ptr [rbx]");
-    test_display(&[0xd9, 0x3b], "fnstcw word [rbx]");
-//    test_display(&[0xd9, 0xc3], "fld st, st(3)");
-    test_display(&[0xd9, 0xc3], "fld st(0), st(3)");
-//    test_display(&[0xd9, 0xcb], "fxch st, st(3)");
-    test_display(&[0xd9, 0xcb], "fxch st(0), st(3)");
-    test_display(&[0xd9, 0xd0], "fnop");
-    test_invalid(&[0xd9, 0xd1]);
-    test_invalid(&[0xd9, 0xd2]);
-    test_invalid(&[0xd9, 0xd3]);
-    test_invalid(&[0xd9, 0xd4]);
-    test_invalid(&[0xd9, 0xd5]);
-    test_invalid(&[0xd9, 0xd6]);
-    test_invalid(&[0xd9, 0xd7]);
-    // undocumented save for intel xed
-//    test_display(&[0xd9, 0xdb], "fstpnce st(3), st");
-    test_display(&[0xd9, 0xdb], "fstpnce st(3), st(0)");
-    test_display(&[0xd9, 0xe0], "fchs");
-    test_display(&[0xd9, 0xe1], "fabs");
-    test_invalid(&[0xd9, 0xe2]);
-    test_invalid(&[0xd9, 0xe3]);
-    test_display(&[0xd9, 0xe4], "ftst");
-    test_display(&[0xd9, 0xe5], "fxam");
-    test_invalid(&[0xd9, 0xe6]);
-    test_invalid(&[0xd9, 0xe7]);
-    test_display(&[0xd9, 0xe8], "fld1");
-    test_display(&[0xd9, 0xe9], "fldl2t");
-    test_display(&[0xd9, 0xea], "fldl2e");
-    test_display(&[0xd9, 0xeb], "fldpi");
-    test_display(&[0xd9, 0xec], "fldlg2");
-    test_display(&[0xd9, 0xed], "fldln2");
-    test_display(&[0xd9, 0xee], "fldz");
-    test_invalid(&[0xd9, 0xef]);
-    test_display(&[0xd9, 0xf0], "f2xm1");
-    test_display(&[0xd9, 0xf1], "fyl2x");
-    test_display(&[0xd9, 0xf2], "fptan");
-    test_display(&[0xd9, 0xf3], "fpatan");
-    test_display(&[0xd9, 0xf4], "fxtract");
-    test_display(&[0xd9, 0xf5], "fprem1");
-    test_display(&[0xd9, 0xf6], "fdecstp");
-    test_display(&[0xd9, 0xf7], "fincstp");
-    test_display(&[0xd9, 0xf8], "fprem");
-    test_display(&[0xd9, 0xf9], "fyl2xp1");
-    test_display(&[0xd9, 0xfa], "fsqrt");
-    test_display(&[0xd9, 0xfb], "fsincos");
-    test_display(&[0xd9, 0xfc], "frndint");
-    test_display(&[0xd9, 0xfd], "fscale");
-    test_display(&[0xd9, 0xfe], "fsin");
-    test_display(&[0xd9, 0xff], "fcos");
-//    test_display(&[0xda, 0x03], "fiadd st, dword ptr [rbx]");
-    test_display(&[0xda, 0x03], "fiadd st(0), dword [rbx]");
-//    test_display(&[0xda, 0x0b], "fimul st, dword ptr [rbx]");
-    test_display(&[0xda, 0x0b], "fimul st(0), dword [rbx]");
-//    test_display(&[0xda, 0x13], "ficom st, dword ptr [rbx]");
-    test_display(&[0xda, 0x13], "ficom st(0), dword [rbx]");
-//    test_display(&[0xda, 0x1b], "ficomp st, dword ptr [rbx]");
-    test_display(&[0xda, 0x1b], "ficomp st(0), dword [rbx]");
-//    test_display(&[0xda, 0x23], "fisub st, dword ptr [rbx]");
-    test_display(&[0xda, 0x23], "fisub st(0), dword [rbx]");
-//    test_display(&[0xda, 0x2b], "fisubr st, dword ptr [rbx]");
-    test_display(&[0xda, 0x2b], "fisubr st(0), dword [rbx]");
-//    test_display(&[0xda, 0x33], "fidiv st, dword ptr [rbx]");
-    test_display(&[0xda, 0x33], "fidiv st(0), dword [rbx]");
-//    test_display(&[0xda, 0x3b], "fidivr st, dword ptr [rbx]");
-    test_display(&[0xda, 0x3b], "fidivr st(0), dword [rbx]");
-//    test_display(&[0xda, 0xc3], "fcmovb st, st(3)");
-    test_display(&[0xda, 0xc3], "fcmovb st(0), st(3)");
-//    test_display(&[0xda, 0xcb], "fcmove st, st(3)");
-    test_display(&[0xda, 0xcb], "fcmove st(0), st(3)");
-//    test_display(&[0xda, 0xd3], "fcmovbe st, st(3)");
-    test_display(&[0xda, 0xd3], "fcmovbe st(0), st(3)");
-//    test_display(&[0xda, 0xdb], "fcmovu st, st(3)");
-    test_display(&[0xda, 0xdb], "fcmovu st(0), st(3)");
-    test_invalid(&[0xda, 0xe0]);
-    test_invalid(&[0xda, 0xe1]);
-    test_invalid(&[0xda, 0xe2]);
-    test_invalid(&[0xda, 0xe3]);
-    test_invalid(&[0xda, 0xe4]);
-    test_invalid(&[0xda, 0xe5]);
-    test_invalid(&[0xda, 0xe6]);
-    test_invalid(&[0xda, 0xe7]);
-    test_invalid(&[0xda, 0xe8]);
-    test_display(&[0xda, 0xe9], "fucompp");
-    test_invalid(&[0xda, 0xea]);
-    test_invalid(&[0xda, 0xeb]);
-    test_invalid(&[0xda, 0xec]);
-    test_invalid(&[0xda, 0xed]);
-    test_invalid(&[0xda, 0xee]);
-    test_invalid(&[0xda, 0xef]);
-    test_invalid(&[0xda, 0xf0]);
-    test_invalid(&[0xda, 0xf1]);
-    test_invalid(&[0xda, 0xf2]);
-    test_invalid(&[0xda, 0xf3]);
-    test_invalid(&[0xda, 0xf4]);
-    test_invalid(&[0xda, 0xf5]);
-    test_invalid(&[0xda, 0xf6]);
-    test_invalid(&[0xda, 0xf7]);
-    test_invalid(&[0xda, 0xf8]);
-    test_invalid(&[0xda, 0xf9]);
-    test_invalid(&[0xda, 0xfa]);
-    test_invalid(&[0xda, 0xfb]);
-    test_invalid(&[0xda, 0xfc]);
-    test_invalid(&[0xda, 0xfd]);
-    test_invalid(&[0xda, 0xfe]);
-    test_invalid(&[0xda, 0xff]);
-//    test_display(&[0xdb, 0x03], "fild st, dword ptr [rbx]");
-    test_display(&[0xdb, 0x03], "fild st(0), dword [rbx]");
-//    test_display(&[0xdb, 0x0b], "fisttp dword ptr [rbx], st");
-    test_display(&[0xdb, 0x0b], "fisttp dword [rbx], st(0)");
-//    test_display(&[0xdb, 0x13], "fist dword ptr [rbx], st");
-    test_display(&[0xdb, 0x13], "fist dword [rbx], st(0)");
-//    test_display(&[0xdb, 0x1b], "fistp dword ptr [rbx], st");
-    test_display(&[0xdb, 0x1b], "fistp dword [rbx], st(0)");
-    test_invalid(&[0xdb, 0x20]);
-    test_invalid(&[0xdb, 0x21]);
-    test_invalid(&[0xdb, 0x22]);
-    test_invalid(&[0xdb, 0x23]);
-    test_invalid(&[0xdb, 0x24]);
-    test_invalid(&[0xdb, 0x25]);
-    test_invalid(&[0xdb, 0x26]);
-    test_invalid(&[0xdb, 0x27]);
-//    test_display(&[0xdb, 0x2b], "fld st, ptr [rbx]");
-    test_display(&[0xdb, 0x2b], "fld st(0), mword [rbx]");
-    test_invalid(&[0xdb, 0x30]);
-    test_invalid(&[0xdb, 0x31]);
-    test_invalid(&[0xdb, 0x32]);
-    test_invalid(&[0xdb, 0x33]);
-    test_invalid(&[0xdb, 0x34]);
-    test_invalid(&[0xdb, 0x35]);
-    test_invalid(&[0xdb, 0x36]);
-    test_invalid(&[0xdb, 0x37]);
-//    test_display(&[0xdb, 0x3b], "fstp ptr [rbx], st");
-    test_display(&[0xdb, 0x3b], "fstp mword [rbx], st(0)");
-//    test_display(&[0xdb, 0xc3], "fcmovnb st, st(3)");
-    test_display(&[0xdb, 0xc3], "fcmovnb st(0), st(3)");
-//    test_display(&[0xdb, 0xcb], "fcmovne st, st(3)");
-    test_display(&[0xdb, 0xcb], "fcmovne st(0), st(3)");
-//    test_display(&[0xdb, 0xd3], "fcmovnbe st, st(3)");
-    test_display(&[0xdb, 0xd3], "fcmovnbe st(0), st(3)");
-//    test_display(&[0xdb, 0xdb], "fcmovnu st, st(3)");
-    test_display(&[0xdb, 0xdb], "fcmovnu st(0), st(3)");
-    test_display(&[0xdb, 0xe0], "feni8087_nop");
-    test_display(&[0xdb, 0xe1], "fdisi8087_nop");
-    test_display(&[0xdb, 0xe2], "fnclex");
-    test_display(&[0xdb, 0xe3], "fninit");
-    test_display(&[0xdb, 0xe4], "fsetpm287_nop");
-    test_invalid(&[0xdb, 0xe5]);
-    test_invalid(&[0xdb, 0xe6]);
-    test_invalid(&[0xdb, 0xe7]);
-//    test_display(&[0xdb, 0xeb], "fucomi st, st(3)");
-    test_display(&[0xdb, 0xeb], "fucomi st(0), st(3)");
-//    test_display(&[0xdb, 0xf3], "fcomi st, st(3)");
-    test_display(&[0xdb, 0xf3], "fcomi st(0), st(3)");
-    test_invalid(&[0xdb, 0xf8]);
-    test_invalid(&[0xdb, 0xf9]);
-    test_invalid(&[0xdb, 0xfa]);
-    test_invalid(&[0xdb, 0xfb]);
-    test_invalid(&[0xdb, 0xfc]);
-    test_invalid(&[0xdb, 0xfd]);
-    test_invalid(&[0xdb, 0xfe]);
-    test_invalid(&[0xdb, 0xff]);
-//    test_display(&[0xdc, 0x03], "fadd st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x03], "fadd st(0), qword [rbx]");
-//    test_display(&[0xdc, 0x0b], "fmul st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x0b], "fmul st(0), qword [rbx]");
-//    test_display(&[0xdc, 0x13], "fcom st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x13], "fcom st(0), qword [rbx]");
-//    test_display(&[0xdc, 0x1b], "fcomp st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x1b], "fcomp st(0), qword [rbx]");
-//    test_display(&[0xdc, 0x23], "fsub st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x23], "fsub st(0), qword [rbx]");
-//    test_display(&[0xdc, 0x2b], "fsubr st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x2b], "fsubr st(0), qword [rbx]");
-//    test_display(&[0xdc, 0x33], "fdiv st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x33], "fdiv st(0), qword [rbx]");
-//    test_display(&[0xdc, 0x3b], "fdivr st, qword ptr [rbx]");
-    test_display(&[0xdc, 0x3b], "fdivr st(0), qword [rbx]");
-//    test_display(&[0xdc, 0xc3], "fadd st(3), st");
-    test_display(&[0xdc, 0xc3], "fadd st(3), st(0)");
-//    test_display(&[0xdc, 0xcb], "fmul st(3), st");
-    test_display(&[0xdc, 0xcb], "fmul st(3), st(0)");
-//    test_display(&[0xdc, 0xd3], "fcom st, st(3)");
-    test_display(&[0xdc, 0xd3], "fcom st(0), st(3)");
-//    test_display(&[0xdc, 0xdb], "fcomp st, st(3)");
-    test_display(&[0xdc, 0xdb], "fcomp st(0), st(3)");
-//    test_display(&[0xdc, 0xe3], "fsubr st(3), st");
-    test_display(&[0xdc, 0xe3], "fsubr st(3), st(0)");
-//    test_display(&[0xdc, 0xeb], "fsub st(3), st");
-    test_display(&[0xdc, 0xeb], "fsub st(3), st(0)");
-//    test_display(&[0xdc, 0xf3], "fdivr st(3), st");
-    test_display(&[0xdc, 0xf3], "fdivr st(3), st(0)");
-//    test_display(&[0xdc, 0xfb], "fdiv st(3), st");
-    test_display(&[0xdc, 0xfb], "fdiv st(3), st(0)");
-//    test_display(&[0xdd, 0x03], "fld st, qword ptr [rbx]");
-    test_display(&[0xdd, 0x03], "fld st(0), qword [rbx]");
-//    test_display(&[0xdd, 0x0b], "fisttp qword ptr [rbx], st");
-    test_display(&[0xdd, 0x0b], "fisttp qword [rbx], st(0)");
-//    test_display(&[0xdd, 0x13], "fst qword ptr [rbx], st");
-    test_display(&[0xdd, 0x13], "fst qword [rbx], st(0)");
-//    test_display(&[0xdd, 0x1b], "fstp qword ptr [rbx], st");
-    test_display(&[0xdd, 0x1b], "fstp qword [rbx], st(0)");
-//    test_display(&[0xdd, 0x23], "frstor ptr [rbx]");
-    test_display(&[0xdd, 0x23], "frstor ptr [rbx]");
-    test_invalid(&[0xdd, 0x28]);
-    test_invalid(&[0xdd, 0x29]);
-    test_invalid(&[0xdd, 0x2a]);
-    test_invalid(&[0xdd, 0x2b]);
-    test_invalid(&[0xdd, 0x2c]);
-    test_invalid(&[0xdd, 0x2d]);
-    test_invalid(&[0xdd, 0x2e]);
-    test_invalid(&[0xdd, 0x2f]);
-//    test_display(&[0xdd, 0x33], "fnsave ptr [rbx]");
-    test_display(&[0xdd, 0x33], "fnsave ptr [rbx]");
-//    test_display(&[0xdd, 0x3b], "fnstsw word ptr [rbx]");
-    test_display(&[0xdd, 0x3b], "fnstsw word [rbx]");
-    test_display(&[0xdd, 0xc3], "ffree st(3)");
-//    test_display(&[0xdd, 0xcb], "fxch st, st(3)");
-    test_display(&[0xdd, 0xcb], "fxch st(0), st(3)");
-//    test_display(&[0xdd, 0xd3], "fst st(3), st");
-    test_display(&[0xdd, 0xd3], "fst st(3), st(0)");
-//    test_display(&[0xdd, 0xdb], "fstp st(3), st");
-    test_display(&[0xdd, 0xdb], "fstp st(3), st(0)");
-//    test_display(&[0xdd, 0xe3], "fucom st, st(3)");
-    test_display(&[0xdd, 0xe3], "fucom st(0), st(3)");
-//    test_display(&[0xdd, 0xeb], "fucomp st, st(3)");
-    test_display(&[0xdd, 0xeb], "fucomp st(0), st(3)");
-    test_invalid(&[0xdd, 0xf0]);
-    test_invalid(&[0xdd, 0xf1]);
-    test_invalid(&[0xdd, 0xf2]);
-    test_invalid(&[0xdd, 0xf3]);
-    test_invalid(&[0xdd, 0xf4]);
-    test_invalid(&[0xdd, 0xf5]);
-    test_invalid(&[0xdd, 0xf6]);
-    test_invalid(&[0xdd, 0xf7]);
-    test_invalid(&[0xdd, 0xf8]);
-    test_invalid(&[0xdd, 0xf9]);
-    test_invalid(&[0xdd, 0xfa]);
-    test_invalid(&[0xdd, 0xfb]);
-    test_invalid(&[0xdd, 0xfc]);
-    test_invalid(&[0xdd, 0xfd]);
-    test_invalid(&[0xdd, 0xfe]);
-    test_invalid(&[0xdd, 0xff]);
-//    test_display(&[0xde, 0x03], "fiadd st, word ptr [rbx]");
-    test_display(&[0xde, 0x03], "fiadd st(0), word [rbx]");
-//    test_display(&[0xde, 0x0b], "fimul st, word ptr [rbx]");
-    test_display(&[0xde, 0x0b], "fimul st(0), word [rbx]");
-//    test_display(&[0xde, 0x13], "ficom st, word ptr [rbx]");
-    test_display(&[0xde, 0x13], "ficom st(0), word [rbx]");
-//    test_display(&[0xde, 0x1b], "ficomp st, word ptr [rbx]");
-    test_display(&[0xde, 0x1b], "ficomp st(0), word [rbx]");
-//    test_display(&[0xde, 0x23], "fisub st, word ptr [rbx]");
-    test_display(&[0xde, 0x23], "fisub st(0), word [rbx]");
-//    test_display(&[0xde, 0x2b], "fisubr st, word ptr [rbx]");
-    test_display(&[0xde, 0x2b], "fisubr st(0), word [rbx]");
-//    test_display(&[0xde, 0x33], "fidiv st, word ptr [rbx]");
-    test_display(&[0xde, 0x33], "fidiv st(0), word [rbx]");
-//    test_display(&[0xde, 0x3b], "fidivr st, word ptr [rbx]");
-    test_display(&[0xde, 0x3b], "fidivr st(0), word [rbx]");
-//    test_display(&[0xde, 0xc3], "faddp st(3), st");
-    test_display(&[0xde, 0xc3], "faddp st(3), st(0)");
-//    test_display(&[0xde, 0xcb], "fmulp st(3), st");
-    test_display(&[0xde, 0xcb], "fmulp st(3), st(0)");
-//    test_display(&[0xde, 0xd3], "fcomp st, st(3)");
-    test_display(&[0xde, 0xd3], "fcomp st(0), st(3)");
-    test_invalid(&[0xde, 0xd8]);
-    test_display(&[0xde, 0xd9], "fcompp");
-    test_invalid(&[0xde, 0xda]);
-    test_invalid(&[0xde, 0xdb]);
-    test_invalid(&[0xde, 0xdc]);
-    test_invalid(&[0xde, 0xdd]);
-    test_invalid(&[0xde, 0xde]);
-    test_invalid(&[0xde, 0xdf]);
-//    test_display(&[0xde, 0xe3], "fsubrp st(3), st");
-    test_display(&[0xde, 0xe3], "fsubrp st(3), st(0)");
-//    test_display(&[0xde, 0xeb], "fsubp st(3), st");
-    test_display(&[0xde, 0xeb], "fsubp st(3), st(0)");
-//    test_display(&[0xde, 0xf3], "fdivrp st(3), st");
-    test_display(&[0xde, 0xf3], "fdivrp st(3), st(0)");
-//    test_display(&[0xde, 0xfb], "fdivp st(3), st");
-    test_display(&[0xde, 0xfb], "fdivp st(3), st(0)");
-//    test_display(&[0xdf, 0x03], "fild st, word ptr [rbx]");
-    test_display(&[0xdf, 0x03], "fild st(0), word [rbx]");
-//    test_display(&[0xdf, 0x0b], "fisttp word ptr [rbx], st");
-    test_display(&[0xdf, 0x0b], "fisttp word [rbx], st(0)");
-//    test_display(&[0xdf, 0x13], "fist word ptr [rbx], st");
-    test_display(&[0xdf, 0x13], "fist word [rbx], st(0)");
-//    test_display(&[0xdf, 0x1b], "fistp word ptr [rbx], st");
-    test_display(&[0xdf, 0x1b], "fistp word [rbx], st(0)");
-//    test_display(&[0xdf, 0x23], "fbld st, ptr [rbx]");
-    test_display(&[0xdf, 0x23], "fbld st(0), mword [rbx]");
-//    test_display(&[0xdf, 0x2b], "fild st, qword ptr [rbx]");
-    test_display(&[0xdf, 0x2b], "fild st(0), qword [rbx]");
-//    test_display(&[0xdf, 0x33], "fbstp ptr [rbx], st");
-    test_display(&[0xdf, 0x33], "fbstp mword [rbx], st(0)");
-//    test_display(&[0xdf, 0x3b], "fistp qword ptr [rbx], st");
-    test_display(&[0xdf, 0x3b], "fistp qword [rbx], st(0)");
-//    test_display(&[0xdf, 0xc3], "ffreep st(3)");
-    test_display(&[0xdf, 0xc3], "ffreep st(3)");
-//    test_display(&[0xdf, 0xcb], "fxch st, st(3)");
-    test_display(&[0xdf, 0xcb], "fxch st(0), st(3)");
-//    test_display(&[0xdf, 0xd3], "fstp st(3), st");
-    test_display(&[0xdf, 0xd3], "fstp st(3), st(0)");
-//    test_display(&[0xdf, 0xdb], "fstp st(3), st");
-    test_display(&[0xdf, 0xdb], "fstp st(3), st(0)");
-    test_display(&[0xdf, 0xe0], "fnstsw ax");
-    test_invalid(&[0xdf, 0xe1]);
-    test_invalid(&[0xdf, 0xe2]);
-    test_invalid(&[0xdf, 0xe3]);
-    test_invalid(&[0xdf, 0xe4]);
-    test_invalid(&[0xdf, 0xe5]);
-    test_invalid(&[0xdf, 0xe6]);
-    test_invalid(&[0xdf, 0xe7]);
-//    test_display(&[0xdf, 0xeb], "fucomip st, st(3)");
-    test_display(&[0xdf, 0xeb], "fucomip st(0), st(3)");
-//    test_display(&[0xdf, 0xf3], "fcomip st, st(3)");
-    test_display(&[0xdf, 0xf3], "fcomip st(0), st(3)");
-    test_invalid(&[0xdf, 0xf8]);
-    test_invalid(&[0xdf, 0xf9]);
-    test_invalid(&[0xdf, 0xfa]);
-    test_invalid(&[0xdf, 0xfb]);
-    test_invalid(&[0xdf, 0xfc]);
-    test_invalid(&[0xdf, 0xfd]);
-    test_invalid(&[0xdf, 0xfe]);
-    test_invalid(&[0xdf, 0xff]);
+mod x87 {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+    //    testcase!(&[0xd8, 0x03], "fadd st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x03], "fadd st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0x0b], "fmul st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x0b], "fmul st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0x13], "fcom st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x13], "fcom st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0x1b], "fcomp st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x1b], "fcomp st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0x23], "fsub st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x23], "fsub st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0x2b], "fsubr st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x2b], "fsubr st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0x33], "fdiv st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x33], "fdiv st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0x3b], "fdivr st, dword ptr [rbx]"),
+        testcase!(&[0xd8, 0x3b], "fdivr st(0), dword [rbx]"),
+    //    testcase!(&[0xd8, 0xc3], "fadd st, st(3)"),
+        testcase!(&[0xd8, 0xc3], "fadd st(0), st(3)"),
+    //    testcase!(&[0xd8, 0xcb], "fmul st, st(3)"),
+        testcase!(&[0xd8, 0xcb], "fmul st(0), st(3)"),
+    //    testcase!(&[0xd8, 0xd3], "fcom st, st(3)"),
+        testcase!(&[0xd8, 0xd3], "fcom st(0), st(3)"),
+    //    testcase!(&[0xd8, 0xdb], "fcomp st, st(3)"),
+        testcase!(&[0xd8, 0xdb], "fcomp st(0), st(3)"),
+    //    testcase!(&[0xd8, 0xe3], "fsub st, st(3)"),
+        testcase!(&[0xd8, 0xe3], "fsub st(0), st(3)"),
+    //    testcase!(&[0xd8, 0xeb], "fsubr st, st(3)"),
+        testcase!(&[0xd8, 0xeb], "fsubr st(0), st(3)"),
+    //    testcase!(&[0xd8, 0xf3], "fdiv st, st(3)"),
+        testcase!(&[0xd8, 0xf3], "fdiv st(0), st(3)"),
+    //    testcase!(&[0xd8, 0xfb], "fdivr st, st(3)"),
+        testcase!(&[0xd8, 0xfb], "fdivr st(0), st(3)"),
+    //    testcase!(&[0xd9, 0x03], "fld st, dword ptr [rbx]"),
+        testcase!(&[0xd9, 0x03], "fld st(0), dword [rbx]"),
+        testcase!(invalid: &[0xd9, 0x08]),
+        testcase!(invalid: &[0xd9, 0x09]),
+        testcase!(invalid: &[0xd9, 0x0a]),
+        testcase!(invalid: &[0xd9, 0x0b]),
+        testcase!(invalid: &[0xd9, 0x0c]),
+        testcase!(invalid: &[0xd9, 0x0d]),
+        testcase!(invalid: &[0xd9, 0x0e]),
+        testcase!(invalid: &[0xd9, 0x0f]),
+    //    testcase!(&[0xd9, 0x13], "fst dword ptr [rbx], st"),
+        testcase!(&[0xd9, 0x13], "fst dword [rbx], st(0)"),
+    //    testcase!(&[0xd9, 0x1b], "fstp dword ptr [rbx], st"),
+        testcase!(&[0xd9, 0x1b], "fstp dword [rbx], st(0)"),
+    //    testcase!(&[0xd9, 0x23], "fldenv ptr [rbx]"),
+        testcase!(&[0xd9, 0x23], "fldenv ptr [rbx]"),
+    //    testcase!(&[0xd9, 0x2b], "fldcw word ptr [rbx]"),
+        testcase!(&[0xd9, 0x2b], "fldcw word [rbx]"),
+    //    testcase!(&[0xd9, 0x33], "fnstenv ptr [rbx]"),
+        testcase!(&[0xd9, 0x33], "fnstenv ptr [rbx]"),
+    //    testcase!(&[0xd9, 0x3b], "fnstcw word ptr [rbx]"),
+        testcase!(&[0xd9, 0x3b], "fnstcw word [rbx]"),
+    //    testcase!(&[0xd9, 0xc3], "fld st, st(3)"),
+        testcase!(&[0xd9, 0xc3], "fld st(0), st(3)"),
+    //    testcase!(&[0xd9, 0xcb], "fxch st, st(3)"),
+        testcase!(&[0xd9, 0xcb], "fxch st(0), st(3)"),
+        testcase!(&[0xd9, 0xd0], "fnop"),
+        testcase!(invalid: &[0xd9, 0xd1]),
+        testcase!(invalid: &[0xd9, 0xd2]),
+        testcase!(invalid: &[0xd9, 0xd3]),
+        testcase!(invalid: &[0xd9, 0xd4]),
+        testcase!(invalid: &[0xd9, 0xd5]),
+        testcase!(invalid: &[0xd9, 0xd6]),
+        testcase!(invalid: &[0xd9, 0xd7]),
+        // undocumented save for intel xed
+    //    testcase!(&[0xd9, 0xdb], "fstpnce st(3), st"),
+        testcase!(&[0xd9, 0xdb], "fstpnce st(3), st(0)"),
+        testcase!(&[0xd9, 0xe0], "fchs"),
+        testcase!(&[0xd9, 0xe1], "fabs"),
+        testcase!(invalid: &[0xd9, 0xe2]),
+        testcase!(invalid: &[0xd9, 0xe3]),
+        testcase!(&[0xd9, 0xe4], "ftst"),
+        testcase!(&[0xd9, 0xe5], "fxam"),
+        testcase!(invalid: &[0xd9, 0xe6]),
+        testcase!(invalid: &[0xd9, 0xe7]),
+        testcase!(&[0xd9, 0xe8], "fld1"),
+        testcase!(&[0xd9, 0xe9], "fldl2t"),
+        testcase!(&[0xd9, 0xea], "fldl2e"),
+        testcase!(&[0xd9, 0xeb], "fldpi"),
+        testcase!(&[0xd9, 0xec], "fldlg2"),
+        testcase!(&[0xd9, 0xed], "fldln2"),
+        testcase!(&[0xd9, 0xee], "fldz"),
+        testcase!(invalid: &[0xd9, 0xef]),
+        testcase!(&[0xd9, 0xf0], "f2xm1"),
+        testcase!(&[0xd9, 0xf1], "fyl2x"),
+        testcase!(&[0xd9, 0xf2], "fptan"),
+        testcase!(&[0xd9, 0xf3], "fpatan"),
+        testcase!(&[0xd9, 0xf4], "fxtract"),
+        testcase!(&[0xd9, 0xf5], "fprem1"),
+        testcase!(&[0xd9, 0xf6], "fdecstp"),
+        testcase!(&[0xd9, 0xf7], "fincstp"),
+        testcase!(&[0xd9, 0xf8], "fprem"),
+        testcase!(&[0xd9, 0xf9], "fyl2xp1"),
+        testcase!(&[0xd9, 0xfa], "fsqrt"),
+        testcase!(&[0xd9, 0xfb], "fsincos"),
+        testcase!(&[0xd9, 0xfc], "frndint"),
+        testcase!(&[0xd9, 0xfd], "fscale"),
+        testcase!(&[0xd9, 0xfe], "fsin"),
+        testcase!(&[0xd9, 0xff], "fcos"),
+    //    testcase!(&[0xda, 0x03], "fiadd st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x03], "fiadd st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0x0b], "fimul st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x0b], "fimul st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0x13], "ficom st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x13], "ficom st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0x1b], "ficomp st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x1b], "ficomp st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0x23], "fisub st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x23], "fisub st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0x2b], "fisubr st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x2b], "fisubr st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0x33], "fidiv st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x33], "fidiv st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0x3b], "fidivr st, dword ptr [rbx]"),
+        testcase!(&[0xda, 0x3b], "fidivr st(0), dword [rbx]"),
+    //    testcase!(&[0xda, 0xc3], "fcmovb st, st(3)"),
+        testcase!(&[0xda, 0xc3], "fcmovb st(0), st(3)"),
+    //    testcase!(&[0xda, 0xcb], "fcmove st, st(3)"),
+        testcase!(&[0xda, 0xcb], "fcmove st(0), st(3)"),
+    //    testcase!(&[0xda, 0xd3], "fcmovbe st, st(3)"),
+        testcase!(&[0xda, 0xd3], "fcmovbe st(0), st(3)"),
+    //    testcase!(&[0xda, 0xdb], "fcmovu st, st(3)"),
+        testcase!(&[0xda, 0xdb], "fcmovu st(0), st(3)"),
+        testcase!(invalid: &[0xda, 0xe0]),
+        testcase!(invalid: &[0xda, 0xe1]),
+        testcase!(invalid: &[0xda, 0xe2]),
+        testcase!(invalid: &[0xda, 0xe3]),
+        testcase!(invalid: &[0xda, 0xe4]),
+        testcase!(invalid: &[0xda, 0xe5]),
+        testcase!(invalid: &[0xda, 0xe6]),
+        testcase!(invalid: &[0xda, 0xe7]),
+        testcase!(invalid: &[0xda, 0xe8]),
+        testcase!(&[0xda, 0xe9], "fucompp"),
+        testcase!(invalid: &[0xda, 0xea]),
+        testcase!(invalid: &[0xda, 0xeb]),
+        testcase!(invalid: &[0xda, 0xec]),
+        testcase!(invalid: &[0xda, 0xed]),
+        testcase!(invalid: &[0xda, 0xee]),
+        testcase!(invalid: &[0xda, 0xef]),
+        testcase!(invalid: &[0xda, 0xf0]),
+        testcase!(invalid: &[0xda, 0xf1]),
+        testcase!(invalid: &[0xda, 0xf2]),
+        testcase!(invalid: &[0xda, 0xf3]),
+        testcase!(invalid: &[0xda, 0xf4]),
+        testcase!(invalid: &[0xda, 0xf5]),
+        testcase!(invalid: &[0xda, 0xf6]),
+        testcase!(invalid: &[0xda, 0xf7]),
+        testcase!(invalid: &[0xda, 0xf8]),
+        testcase!(invalid: &[0xda, 0xf9]),
+        testcase!(invalid: &[0xda, 0xfa]),
+        testcase!(invalid: &[0xda, 0xfb]),
+        testcase!(invalid: &[0xda, 0xfc]),
+        testcase!(invalid: &[0xda, 0xfd]),
+        testcase!(invalid: &[0xda, 0xfe]),
+        testcase!(invalid: &[0xda, 0xff]),
+    //    testcase!(&[0xdb, 0x03], "fild st, dword ptr [rbx]"),
+        testcase!(&[0xdb, 0x03], "fild st(0), dword [rbx]"),
+    //    testcase!(&[0xdb, 0x0b], "fisttp dword ptr [rbx], st"),
+        testcase!(&[0xdb, 0x0b], "fisttp dword [rbx], st(0)"),
+    //    testcase!(&[0xdb, 0x13], "fist dword ptr [rbx], st"),
+        testcase!(&[0xdb, 0x13], "fist dword [rbx], st(0)"),
+    //    testcase!(&[0xdb, 0x1b], "fistp dword ptr [rbx], st"),
+        testcase!(&[0xdb, 0x1b], "fistp dword [rbx], st(0)"),
+        testcase!(invalid: &[0xdb, 0x20]),
+        testcase!(invalid: &[0xdb, 0x21]),
+        testcase!(invalid: &[0xdb, 0x22]),
+        testcase!(invalid: &[0xdb, 0x23]),
+        testcase!(invalid: &[0xdb, 0x24]),
+        testcase!(invalid: &[0xdb, 0x25]),
+        testcase!(invalid: &[0xdb, 0x26]),
+        testcase!(invalid: &[0xdb, 0x27]),
+    //    testcase!(&[0xdb, 0x2b], "fld st, ptr [rbx]"),
+        testcase!(&[0xdb, 0x2b], "fld st(0), mword [rbx]"),
+        testcase!(invalid: &[0xdb, 0x30]),
+        testcase!(invalid: &[0xdb, 0x31]),
+        testcase!(invalid: &[0xdb, 0x32]),
+        testcase!(invalid: &[0xdb, 0x33]),
+        testcase!(invalid: &[0xdb, 0x34]),
+        testcase!(invalid: &[0xdb, 0x35]),
+        testcase!(invalid: &[0xdb, 0x36]),
+        testcase!(invalid: &[0xdb, 0x37]),
+    //    testcase!(&[0xdb, 0x3b], "fstp ptr [rbx], st"),
+        testcase!(&[0xdb, 0x3b], "fstp mword [rbx], st(0)"),
+    //    testcase!(&[0xdb, 0xc3], "fcmovnb st, st(3)"),
+        testcase!(&[0xdb, 0xc3], "fcmovnb st(0), st(3)"),
+    //    testcase!(&[0xdb, 0xcb], "fcmovne st, st(3)"),
+        testcase!(&[0xdb, 0xcb], "fcmovne st(0), st(3)"),
+    //    testcase!(&[0xdb, 0xd3], "fcmovnbe st, st(3)"),
+        testcase!(&[0xdb, 0xd3], "fcmovnbe st(0), st(3)"),
+    //    testcase!(&[0xdb, 0xdb], "fcmovnu st, st(3)"),
+        testcase!(&[0xdb, 0xdb], "fcmovnu st(0), st(3)"),
+        testcase!(&[0xdb, 0xe0], "feni8087_nop"),
+        testcase!(&[0xdb, 0xe1], "fdisi8087_nop"),
+        testcase!(&[0xdb, 0xe2], "fnclex"),
+        testcase!(&[0xdb, 0xe3], "fninit"),
+        testcase!(&[0xdb, 0xe4], "fsetpm287_nop"),
+        testcase!(invalid: &[0xdb, 0xe5]),
+        testcase!(invalid: &[0xdb, 0xe6]),
+        testcase!(invalid: &[0xdb, 0xe7]),
+    //    testcase!(&[0xdb, 0xeb], "fucomi st, st(3)"),
+        testcase!(&[0xdb, 0xeb], "fucomi st(0), st(3)"),
+    //    testcase!(&[0xdb, 0xf3], "fcomi st, st(3)"),
+        testcase!(&[0xdb, 0xf3], "fcomi st(0), st(3)"),
+        testcase!(invalid: &[0xdb, 0xf8]),
+        testcase!(invalid: &[0xdb, 0xf9]),
+        testcase!(invalid: &[0xdb, 0xfa]),
+        testcase!(invalid: &[0xdb, 0xfb]),
+        testcase!(invalid: &[0xdb, 0xfc]),
+        testcase!(invalid: &[0xdb, 0xfd]),
+        testcase!(invalid: &[0xdb, 0xfe]),
+        testcase!(invalid: &[0xdb, 0xff]),
+    //    testcase!(&[0xdc, 0x03], "fadd st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x03], "fadd st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0x0b], "fmul st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x0b], "fmul st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0x13], "fcom st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x13], "fcom st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0x1b], "fcomp st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x1b], "fcomp st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0x23], "fsub st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x23], "fsub st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0x2b], "fsubr st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x2b], "fsubr st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0x33], "fdiv st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x33], "fdiv st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0x3b], "fdivr st, qword ptr [rbx]"),
+        testcase!(&[0xdc, 0x3b], "fdivr st(0), qword [rbx]"),
+    //    testcase!(&[0xdc, 0xc3], "fadd st(3), st"),
+        testcase!(&[0xdc, 0xc3], "fadd st(3), st(0)"),
+    //    testcase!(&[0xdc, 0xcb], "fmul st(3), st"),
+        testcase!(&[0xdc, 0xcb], "fmul st(3), st(0)"),
+    //    testcase!(&[0xdc, 0xd3], "fcom st, st(3)"),
+        testcase!(&[0xdc, 0xd3], "fcom st(0), st(3)"),
+    //    testcase!(&[0xdc, 0xdb], "fcomp st, st(3)"),
+        testcase!(&[0xdc, 0xdb], "fcomp st(0), st(3)"),
+    //    testcase!(&[0xdc, 0xe3], "fsubr st(3), st"),
+        testcase!(&[0xdc, 0xe3], "fsubr st(3), st(0)"),
+    //    testcase!(&[0xdc, 0xeb], "fsub st(3), st"),
+        testcase!(&[0xdc, 0xeb], "fsub st(3), st(0)"),
+    //    testcase!(&[0xdc, 0xf3], "fdivr st(3), st"),
+        testcase!(&[0xdc, 0xf3], "fdivr st(3), st(0)"),
+    //    testcase!(&[0xdc, 0xfb], "fdiv st(3), st"),
+        testcase!(&[0xdc, 0xfb], "fdiv st(3), st(0)"),
+    //    testcase!(&[0xdd, 0x03], "fld st, qword ptr [rbx]"),
+        testcase!(&[0xdd, 0x03], "fld st(0), qword [rbx]"),
+    //    testcase!(&[0xdd, 0x0b], "fisttp qword ptr [rbx], st"),
+        testcase!(&[0xdd, 0x0b], "fisttp qword [rbx], st(0)"),
+    //    testcase!(&[0xdd, 0x13], "fst qword ptr [rbx], st"),
+        testcase!(&[0xdd, 0x13], "fst qword [rbx], st(0)"),
+    //    testcase!(&[0xdd, 0x1b], "fstp qword ptr [rbx], st"),
+        testcase!(&[0xdd, 0x1b], "fstp qword [rbx], st(0)"),
+    //    testcase!(&[0xdd, 0x23], "frstor ptr [rbx]"),
+        testcase!(&[0xdd, 0x23], "frstor ptr [rbx]"),
+        testcase!(invalid: &[0xdd, 0x28]),
+        testcase!(invalid: &[0xdd, 0x29]),
+        testcase!(invalid: &[0xdd, 0x2a]),
+        testcase!(invalid: &[0xdd, 0x2b]),
+        testcase!(invalid: &[0xdd, 0x2c]),
+        testcase!(invalid: &[0xdd, 0x2d]),
+        testcase!(invalid: &[0xdd, 0x2e]),
+        testcase!(invalid: &[0xdd, 0x2f]),
+    //    testcase!(&[0xdd, 0x33], "fnsave ptr [rbx]"),
+        testcase!(&[0xdd, 0x33], "fnsave ptr [rbx]"),
+    //    testcase!(&[0xdd, 0x3b], "fnstsw word ptr [rbx]"),
+        testcase!(&[0xdd, 0x3b], "fnstsw word [rbx]"),
+        testcase!(&[0xdd, 0xc3], "ffree st(3)"),
+    //    testcase!(&[0xdd, 0xcb], "fxch st, st(3)"),
+        testcase!(&[0xdd, 0xcb], "fxch st(0), st(3)"),
+    //    testcase!(&[0xdd, 0xd3], "fst st(3), st"),
+        testcase!(&[0xdd, 0xd3], "fst st(3), st(0)"),
+    //    testcase!(&[0xdd, 0xdb], "fstp st(3), st"),
+        testcase!(&[0xdd, 0xdb], "fstp st(3), st(0)"),
+    //    testcase!(&[0xdd, 0xe3], "fucom st, st(3)"),
+        testcase!(&[0xdd, 0xe3], "fucom st(0), st(3)"),
+    //    testcase!(&[0xdd, 0xeb], "fucomp st, st(3)"),
+        testcase!(&[0xdd, 0xeb], "fucomp st(0), st(3)"),
+        testcase!(invalid: &[0xdd, 0xf0]),
+        testcase!(invalid: &[0xdd, 0xf1]),
+        testcase!(invalid: &[0xdd, 0xf2]),
+        testcase!(invalid: &[0xdd, 0xf3]),
+        testcase!(invalid: &[0xdd, 0xf4]),
+        testcase!(invalid: &[0xdd, 0xf5]),
+        testcase!(invalid: &[0xdd, 0xf6]),
+        testcase!(invalid: &[0xdd, 0xf7]),
+        testcase!(invalid: &[0xdd, 0xf8]),
+        testcase!(invalid: &[0xdd, 0xf9]),
+        testcase!(invalid: &[0xdd, 0xfa]),
+        testcase!(invalid: &[0xdd, 0xfb]),
+        testcase!(invalid: &[0xdd, 0xfc]),
+        testcase!(invalid: &[0xdd, 0xfd]),
+        testcase!(invalid: &[0xdd, 0xfe]),
+        testcase!(invalid: &[0xdd, 0xff]),
+    //    testcase!(&[0xde, 0x03], "fiadd st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x03], "fiadd st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0x0b], "fimul st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x0b], "fimul st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0x13], "ficom st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x13], "ficom st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0x1b], "ficomp st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x1b], "ficomp st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0x23], "fisub st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x23], "fisub st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0x2b], "fisubr st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x2b], "fisubr st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0x33], "fidiv st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x33], "fidiv st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0x3b], "fidivr st, word ptr [rbx]"),
+        testcase!(&[0xde, 0x3b], "fidivr st(0), word [rbx]"),
+    //    testcase!(&[0xde, 0xc3], "faddp st(3), st"),
+        testcase!(&[0xde, 0xc3], "faddp st(3), st(0)"),
+    //    testcase!(&[0xde, 0xcb], "fmulp st(3), st"),
+        testcase!(&[0xde, 0xcb], "fmulp st(3), st(0)"),
+    //    testcase!(&[0xde, 0xd3], "fcomp st, st(3)"),
+        testcase!(&[0xde, 0xd3], "fcomp st(0), st(3)"),
+        testcase!(invalid: &[0xde, 0xd8]),
+        testcase!(&[0xde, 0xd9], "fcompp"),
+        testcase!(invalid: &[0xde, 0xda]),
+        testcase!(invalid: &[0xde, 0xdb]),
+        testcase!(invalid: &[0xde, 0xdc]),
+        testcase!(invalid: &[0xde, 0xdd]),
+        testcase!(invalid: &[0xde, 0xde]),
+        testcase!(invalid: &[0xde, 0xdf]),
+    //    testcase!(&[0xde, 0xe3], "fsubrp st(3), st"),
+        testcase!(&[0xde, 0xe3], "fsubrp st(3), st(0)"),
+    //    testcase!(&[0xde, 0xeb], "fsubp st(3), st"),
+        testcase!(&[0xde, 0xeb], "fsubp st(3), st(0)"),
+    //    testcase!(&[0xde, 0xf3], "fdivrp st(3), st"),
+        testcase!(&[0xde, 0xf3], "fdivrp st(3), st(0)"),
+    //    testcase!(&[0xde, 0xfb], "fdivp st(3), st"),
+        testcase!(&[0xde, 0xfb], "fdivp st(3), st(0)"),
+    //    testcase!(&[0xdf, 0x03], "fild st, word ptr [rbx]"),
+        testcase!(&[0xdf, 0x03], "fild st(0), word [rbx]"),
+    //    testcase!(&[0xdf, 0x0b], "fisttp word ptr [rbx], st"),
+        testcase!(&[0xdf, 0x0b], "fisttp word [rbx], st(0)"),
+    //    testcase!(&[0xdf, 0x13], "fist word ptr [rbx], st"),
+        testcase!(&[0xdf, 0x13], "fist word [rbx], st(0)"),
+    //    testcase!(&[0xdf, 0x1b], "fistp word ptr [rbx], st"),
+        testcase!(&[0xdf, 0x1b], "fistp word [rbx], st(0)"),
+    //    testcase!(&[0xdf, 0x23], "fbld st, ptr [rbx]"),
+        testcase!(&[0xdf, 0x23], "fbld st(0), mword [rbx]"),
+    //    testcase!(&[0xdf, 0x2b], "fild st, qword ptr [rbx]"),
+        testcase!(&[0xdf, 0x2b], "fild st(0), qword [rbx]"),
+    //    testcase!(&[0xdf, 0x33], "fbstp ptr [rbx], st"),
+        testcase!(&[0xdf, 0x33], "fbstp mword [rbx], st(0)"),
+    //    testcase!(&[0xdf, 0x3b], "fistp qword ptr [rbx], st"),
+        testcase!(&[0xdf, 0x3b], "fistp qword [rbx], st(0)"),
+    //    testcase!(&[0xdf, 0xc3], "ffreep st(3)"),
+        testcase!(&[0xdf, 0xc3], "ffreep st(3)"),
+    //    testcase!(&[0xdf, 0xcb], "fxch st, st(3)"),
+        testcase!(&[0xdf, 0xcb], "fxch st(0), st(3)"),
+    //    testcase!(&[0xdf, 0xd3], "fstp st(3), st"),
+        testcase!(&[0xdf, 0xd3], "fstp st(3), st(0)"),
+    //    testcase!(&[0xdf, 0xdb], "fstp st(3), st"),
+        testcase!(&[0xdf, 0xdb], "fstp st(3), st(0)"),
+        testcase!(&[0xdf, 0xe0], "fnstsw ax"),
+        testcase!(invalid: &[0xdf, 0xe1]),
+        testcase!(invalid: &[0xdf, 0xe2]),
+        testcase!(invalid: &[0xdf, 0xe3]),
+        testcase!(invalid: &[0xdf, 0xe4]),
+        testcase!(invalid: &[0xdf, 0xe5]),
+        testcase!(invalid: &[0xdf, 0xe6]),
+        testcase!(invalid: &[0xdf, 0xe7]),
+    //    testcase!(&[0xdf, 0xeb], "fucomip st, st(3)"),
+        testcase!(&[0xdf, 0xeb], "fucomip st(0), st(3)"),
+    //    testcase!(&[0xdf, 0xf3], "fcomip st, st(3)"),
+        testcase!(&[0xdf, 0xf3], "fcomip st(0), st(3)"),
+        testcase!(invalid: &[0xdf, 0xf8]),
+        testcase!(invalid: &[0xdf, 0xf9]),
+        testcase!(invalid: &[0xdf, 0xfa]),
+        testcase!(invalid: &[0xdf, 0xfb]),
+        testcase!(invalid: &[0xdf, 0xfc]),
+        testcase!(invalid: &[0xdf, 0xfd]),
+        testcase!(invalid: &[0xdf, 0xfe]),
+        testcase!(invalid: &[0xdf, 0xff]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_mishegos_finds() {
-    test_invalid(&[0xc5, 0x8c, 0x77]);
-    test_display(&[0x0f, 0xfc, 0xaf, 0x40, 0x38, 0x25, 0xbf], "paddb mm5, qword [rdi - 0x40dac7c0]");
-    test_invalid(&[0xc5, 0x4d, 0x16, 0x0f]);
-    test_invalid(&[0xf3, 0x67, 0x0f, 0x3a, 0xf0, 0xfb, 0xb4]);
-// XOP is still not supported
-//    test_display(&[0xc4, 0x63, 0x91, 0x7f, 0x2f, 0x2e], "vfnmsubsd xmm13, xmm13, xmm2, qword ptr [rdi]");
-    test_invalid(&[0x62, 0xf1, 0x56, 0xfe, 0x58, 0x04, 0xca]);
-    test_invalid(&[0x66, 0xf3, 0x36, 0x65, 0x0f, 0x3a, 0xf0, 0xee, 0x7a]);
-    test_display(&[0x62, 0x42, 0xd5, 0x9d, 0x97, 0xf6], "vfmsubadd132pd zmm30{k5}{z}{rne-sae}, zmm5, zmm14");
-    test_invalid(&[0x67, 0x66, 0x42, 0x0f, 0x01, 0xfe]);
-    test_display(&[0x62, 0x52, 0x05, 0xff, 0xad, 0xfd], "vfnmadd213ss xmm15{k7}{z}{rz-sae}, xmm15, xmm13");
-    test_invalid(&[0xf2, 0x67, 0x4a, 0x0f, 0x01, 0xd6]);
-    test_invalid(&[0x36, 0x64, 0x62, 0x33, 0x39, 0xef, 0x55, 0xc2, 0x68]);
-    test_invalid(&[0x36, 0x66, 0x67, 0xf3, 0x0f, 0x01, 0xce]);
-    test_invalid(&[0x62, 0x0f, 0xc1, 0x35, 0x38, 0xf8, 0xc8]);
-    test_invalid(&[0x66, 0x2e, 0x64, 0x26, 0x0f, 0x01, 0xc1]);
-    test_invalid(&[0x2e, 0x2e, 0xf2, 0x36, 0x40, 0x0e, 0xb2, 0xdb, 0x42, 0xd6, 0xa3, 0x16]);
-    test_invalid(&[0x2e, 0xf2, 0x36, 0x40, 0x0f, 0xb2, 0xdb, 0x42, 0xd6, 0xa3, 0x16]);
-    test_invalid(&[0x3e, 0x3e, 0x3e, 0x66, 0x4b, 0x35, 0x58, 0x3e]);
-    test_display(&[0xf2, 0xf3, 0x66, 0x65, 0x4f, 0x25, 0x9b, 0x5e, 0xda, 0x44], "and rax, 0x44da5e9b");
-    test_display(&[0x65, 0x67, 0x65, 0x65, 0x0f, 0x0e], "femms");
-    test_display(&[0x26, 0x66, 0x67, 0x41, 0x0f, 0x38, 0xdf, 0xe4], "aesdeclast xmm4, xmm12");
-    test_display(&[0x65, 0x66, 0x66, 0x64, 0x48, 0x0f, 0x38, 0xdb, 0x0f], "aesimc xmm1, xmmword fs:[rdi]");
-    test_invalid(&[0xf3, 0xf2, 0x41, 0x0f, 0xae, 0x8f, 0x54, 0x3c, 0x58, 0xb7]);
-    /*
-    test_display(&[652e662e0f3814ff], "blendvps");
-    test_display(&[66666565450f3acf2b4b], "gf2 ");
-    */
-
-    // might just be yax trying to do a f20f decode when it should not be f2
-    // impossible instruction if operands could be read: lock is illegal here.
-    // test_display(&[f06565f2640f16], "???");
-//    test_display(&[0x0f, 0x38, 0xf6, 0x8c, 0x98, 0x4d, 0x33, 0xf5, 0xd3, ], "wrssd");
-    test_display(&[0x26, 0x36, 0x0f, 0x0f, 0x70, 0xfb, 0x0c], "pi2fw mm6, qword [rax - 0x5]");
-    test_display(&[0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]");
-    test_display(&[0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]");
-    test_display(&[0x66, 0x3e, 0x26, 0x2e, 0x2e, 0x0f, 0x38, 0x2a, 0x2b, ], "movntdqa xmm5, xmmword [rbx]");
-    test_display(&[0x66, 0x2e, 0x67, 0x0f, 0x3a, 0x0d, 0xb8, 0xf0, 0x2f, 0x7c, 0xf0, 0x63, ], "blendpd xmm7, xmmword [eax - 0xf83d010], 0x63");
-    test_display(&[0x66, 0x66, 0x64, 0x3e, 0x0f, 0x38, 0x23, 0x9d, 0x69, 0x0f, 0xa8, 0x2d, ], "pmovsxwd xmm3, qword fs:[rbp + 0x2da80f69]");
-    test_display(&[0x2e, 0x66, 0x26, 0x64, 0x49, 0x0f, 0x3a, 0x21, 0x0b, 0xb1, ], "insertps xmm1, dword fs:[r11], -0x4f");
-    test_display(&[0x66, 0x26, 0x45, 0x0f, 0x3a, 0x42, 0x96, 0x74, 0x29, 0x96, 0xf9, 0x6a], "mpsadbw xmm10, xmmword [r14 - 0x669d68c], 0x6a");
-    test_display(&[0x67, 0x26, 0x66, 0x65, 0x0f, 0x38, 0x3f, 0x9d, 0xcc, 0x03, 0xb3, 0xfa], "pmaxud xmm3, xmmword gs:[ebp - 0x54cfc34]");
-    test_display(&[0x36, 0x36, 0x2e, 0x0f, 0x38, 0xf9, 0x55, 0x3e, ], "movdiri dword [rbp + 0x3e], edx");
-    test_display(&[0x36, 0x26, 0x66, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b rbp, zmmword [rbp + 0x729080b]");
-    test_invalid(&[0x66, 0x2e, 0x64, 0x66, 0x46, 0x0f, 0x38, 0xf8, 0xe2]);
-    test_display(&[0x36, 0x26, 0x66, 0x67, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b ebp, zmmword [ebp + 0x729080b]");
-    test_display(&[0x67, 0x66, 0x65, 0x3e, 0x0f, 0x6d, 0xd1], "punpckhqdq xmm2, xmm1");
-    test_display(&[0x2e, 0x66, 0x40, 0x0f, 0x3a, 0x0d, 0x40, 0x2d, 0x57], "blendpd xmm0, xmmword [rax + 0x2d], 0x57");
-    test_display(&[0xf2, 0x3e, 0x26, 0x67, 0x0f, 0xf0, 0xa0, 0x1b, 0x5f, 0xcd, 0xd7], "lddqu xmm4, xmmword [eax - 0x2832a0e5]");
-    test_display(&[0x2e, 0x3e, 0x66, 0x3e, 0x49, 0x0f, 0x3a, 0x41, 0x30, 0x48], "dppd xmm6, xmmword [r8], 0x48");
-
-    test_display(&[0x2e, 0x36, 0x47, 0x0f, 0x18, 0xe7], "nop r15d");
-    test_display(&[0x65, 0xf0, 0x87, 0x0f], "lock xchg dword gs:[rdi], ecx");
-    test_display(&[0x66, 0x4e, 0x0f, 0x3a, 0x44, 0x88, 0xb3, 0xad, 0x26, 0x35, 0x75], "pclmulqdq xmm9, xmmword [rax + 0x3526adb3], 0x75");
-    test_display(&[0x4c, 0x0f, 0xff, 0x6b, 0xac], "ud0 r13d, dword [rbx - 0x54]");
-
-    test_display(&[0xf2, 0xf2, 0x2e, 0x36, 0x47, 0x0f, 0x38, 0xf8, 0x83, 0x09, 0x1c, 0x9d, 0x3f], "enqcmd r8, zmmword [r11 + 0x3f9d1c09]");
-    test_display(&[0x3e, 0x64, 0xf3, 0x64, 0x0f, 0x38, 0xf8, 0x72, 0x54], "enqcmds rsi, zmmword fs:[rdx + 0x54]");
-    test_invalid(&[0xf3, 0x0f, 0x38, 0xf8, 0xf3]);
-
-    test_display(&[0xf3, 0x64, 0x2e, 0x65, 0x0f, 0x38, 0xdc, 0xe8], "loadiwkey xmm5, xmm0");
-
-    test_invalid(&[0xf3, 0x2e, 0x0f, 0x6a, 0x18]);
+mod mishegos_finds {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(invalid: &[0xc5, 0x8c, 0x77]),
+        testcase!(&[0x0f, 0xfc, 0xaf, 0x40, 0x38, 0x25, 0xbf], "paddb mm5, qword [rdi - 0x40dac7c0]"),
+        testcase!(invalid: &[0xc5, 0x4d, 0x16, 0x0f]),
+        testcase!(invalid: &[0xf3, 0x67, 0x0f, 0x3a, 0xf0, 0xfb, 0xb4]),
+    // XOP is still not supported
+    //    testcase!(&[0xc4, 0x63, 0x91, 0x7f, 0x2f, 0x2e], "vfnmsubsd xmm13, xmm13, xmm2, qword ptr [rdi]"),
+        testcase!(invalid: &[0x62, 0xf1, 0x56, 0xfe, 0x58, 0x04, 0xca]),
+        testcase!(invalid: &[0x66, 0xf3, 0x36, 0x65, 0x0f, 0x3a, 0xf0, 0xee, 0x7a]),
+        testcase!(&[0x62, 0x42, 0xd5, 0x9d, 0x97, 0xf6], "vfmsubadd132pd zmm30{k5}{z}{rne-sae}, zmm5, zmm14"),
+        testcase!(invalid: &[0x67, 0x66, 0x42, 0x0f, 0x01, 0xfe]),
+        testcase!(&[0x62, 0x52, 0x05, 0xff, 0xad, 0xfd], "vfnmadd213ss xmm15{k7}{z}{rz-sae}, xmm15, xmm13"),
+        testcase!(invalid: &[0xf2, 0x67, 0x4a, 0x0f, 0x01, 0xd6]),
+        testcase!(invalid: &[0x36, 0x64, 0x62, 0x33, 0x39, 0xef, 0x55, 0xc2, 0x68]),
+        testcase!(invalid: &[0x36, 0x66, 0x67, 0xf3, 0x0f, 0x01, 0xce]),
+        testcase!(invalid: &[0x62, 0x0f, 0xc1, 0x35, 0x38, 0xf8, 0xc8]),
+        testcase!(invalid: &[0x66, 0x2e, 0x64, 0x26, 0x0f, 0x01, 0xc1]),
+        testcase!(invalid: &[0x2e, 0x2e, 0xf2, 0x36, 0x40, 0x0e, 0xb2, 0xdb, 0x42, 0xd6, 0xa3, 0x16]),
+        testcase!(invalid: &[0x2e, 0xf2, 0x36, 0x40, 0x0f, 0xb2, 0xdb, 0x42, 0xd6, 0xa3, 0x16]),
+        testcase!(invalid: &[0x3e, 0x3e, 0x3e, 0x66, 0x4b, 0x35, 0x58, 0x3e]),
+        testcase!(&[0xf2, 0xf3, 0x66, 0x65, 0x4f, 0x25, 0x9b, 0x5e, 0xda, 0x44], "and rax, 0x44da5e9b"),
+        testcase!(&[0x65, 0x67, 0x65, 0x65, 0x0f, 0x0e], "femms"),
+        testcase!(&[0x26, 0x66, 0x67, 0x41, 0x0f, 0x38, 0xdf, 0xe4], "aesdeclast xmm4, xmm12"),
+        testcase!(&[0x65, 0x66, 0x66, 0x64, 0x48, 0x0f, 0x38, 0xdb, 0x0f], "aesimc xmm1, xmmword fs:[rdi]"),
+        testcase!(invalid: &[0xf3, 0xf2, 0x41, 0x0f, 0xae, 0x8f, 0x54, 0x3c, 0x58, 0xb7]),
+        /*
+        testcase!(&[652e662e0f3814ff], "blendvps"),
+        testcase!(&[66666565450f3acf2b4b], "gf2 "),
+        */
+
+        // might just be yax trying to do a f20f decode when it should not be f2
+        // impossible instruction if operands could be read: lock is illegal here.
+        // testcase!(&[f06565f2640f16], "???"),
+    //    testcase!(&[0x0f, 0x38, 0xf6, 0x8c, 0x98, 0x4d, 0x33, 0xf5, 0xd3, ], "wrssd"),
+        testcase!(&[0x26, 0x36, 0x0f, 0x0f, 0x70, 0xfb, 0x0c], "pi2fw mm6, qword [rax - 0x5]"),
+        testcase!(&[0x0f, 0xc7, 0x0f], "cmpxchg8b qword [rdi]"),
+        testcase!(&[0x4f, 0x0f, 0xc7, 0x0f], "cmpxchg16b xmmword [r15]"),
+        testcase!(&[0x66, 0x3e, 0x26, 0x2e, 0x2e, 0x0f, 0x38, 0x2a, 0x2b, ], "movntdqa xmm5, xmmword [rbx]"),
+        testcase!(&[0x66, 0x2e, 0x67, 0x0f, 0x3a, 0x0d, 0xb8, 0xf0, 0x2f, 0x7c, 0xf0, 0x63, ], "blendpd xmm7, xmmword [eax - 0xf83d010], 0x63"),
+        testcase!(&[0x66, 0x66, 0x64, 0x3e, 0x0f, 0x38, 0x23, 0x9d, 0x69, 0x0f, 0xa8, 0x2d, ], "pmovsxwd xmm3, qword fs:[rbp + 0x2da80f69]"),
+        testcase!(&[0x2e, 0x66, 0x26, 0x64, 0x49, 0x0f, 0x3a, 0x21, 0x0b, 0xb1, ], "insertps xmm1, dword fs:[r11], -0x4f"),
+        testcase!(&[0x66, 0x26, 0x45, 0x0f, 0x3a, 0x42, 0x96, 0x74, 0x29, 0x96, 0xf9, 0x6a], "mpsadbw xmm10, xmmword [r14 - 0x669d68c], 0x6a"),
+        testcase!(&[0x67, 0x26, 0x66, 0x65, 0x0f, 0x38, 0x3f, 0x9d, 0xcc, 0x03, 0xb3, 0xfa], "pmaxud xmm3, xmmword gs:[ebp - 0x54cfc34]"),
+        testcase!(&[0x36, 0x36, 0x2e, 0x0f, 0x38, 0xf9, 0x55, 0x3e, ], "movdiri dword [rbp + 0x3e], edx"),
+        testcase!(&[0x36, 0x26, 0x66, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b rbp, zmmword [rbp + 0x729080b]"),
+        testcase!(invalid: &[0x66, 0x2e, 0x64, 0x66, 0x46, 0x0f, 0x38, 0xf8, 0xe2]),
+        testcase!(&[0x36, 0x26, 0x66, 0x67, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b ebp, zmmword [ebp + 0x729080b]"),
+        testcase!(&[0x67, 0x66, 0x65, 0x3e, 0x0f, 0x6d, 0xd1], "punpckhqdq xmm2, xmm1"),
+        testcase!(&[0x2e, 0x66, 0x40, 0x0f, 0x3a, 0x0d, 0x40, 0x2d, 0x57], "blendpd xmm0, xmmword [rax + 0x2d], 0x57"),
+        testcase!(&[0xf2, 0x3e, 0x26, 0x67, 0x0f, 0xf0, 0xa0, 0x1b, 0x5f, 0xcd, 0xd7], "lddqu xmm4, xmmword [eax - 0x2832a0e5]"),
+        testcase!(&[0x2e, 0x3e, 0x66, 0x3e, 0x49, 0x0f, 0x3a, 0x41, 0x30, 0x48], "dppd xmm6, xmmword [r8], 0x48"),
+
+        testcase!(&[0x2e, 0x36, 0x47, 0x0f, 0x18, 0xe7], "nop r15d"),
+        testcase!(&[0x65, 0xf0, 0x87, 0x0f], "lock xchg dword gs:[rdi], ecx"),
+        testcase!(&[0x66, 0x4e, 0x0f, 0x3a, 0x44, 0x88, 0xb3, 0xad, 0x26, 0x35, 0x75], "pclmulqdq xmm9, xmmword [rax + 0x3526adb3], 0x75"),
+        testcase!(&[0x4c, 0x0f, 0xff, 0x6b, 0xac], "ud0 r13d, dword [rbx - 0x54]"),
+
+        testcase!(&[0xf2, 0xf2, 0x2e, 0x36, 0x47, 0x0f, 0x38, 0xf8, 0x83, 0x09, 0x1c, 0x9d, 0x3f], "enqcmd r8, zmmword [r11 + 0x3f9d1c09]"),
+        testcase!(&[0x3e, 0x64, 0xf3, 0x64, 0x0f, 0x38, 0xf8, 0x72, 0x54], "enqcmds rsi, zmmword fs:[rdx + 0x54]"),
+        testcase!(invalid: &[0xf3, 0x0f, 0x38, 0xf8, 0xf3]),
+
+        testcase!(&[0xf3, 0x64, 0x2e, 0x65, 0x0f, 0x38, 0xdc, 0xe8], "loadiwkey xmm5, xmm0"),
+
+        testcase!(invalid: &[0xf3, 0x2e, 0x0f, 0x6a, 0x18]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_cet() {
-    // see
-    // https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-enforcement-technology-preview.pdf
-    // includes encodings:
-    // wruss{d,q} 066 f 38 f5
-    // wrss{d,q} 0f 38 f6
-    // rstorssp f3 0f 01 /5
-    // saveprevssp f3 0f 01 ea
-    // rdssp{d,q} f3 0f 1e
-    // incssp{d,q} f3 0f ae /5
-    // test_display(&[0x0f, 0x38, 0xf6, 0x8c, 0x98, 0x4d, 0x33, 0xf5, 0xd3, ], "wrssd [rax + rbx * 4 - 0x2c0accb3], ecx");
-    // setssbsy f3 0f 01 e8
-    // clrssbsy f3 0f ae /6
-    // endbr64 f3 0f ae fa
-    // endbr32 f3 0f ae fb
-    test_display(&[0xf3, 0x4f, 0x0f, 0xae, 0xe9], "incssp r9");
-    test_display(&[0xf3, 0x0f, 0xae, 0xe9], "incssp ecx");
-    test_display(&[0x3e, 0x4f, 0x0f, 0x38, 0xf6, 0x23], "wrss qword [r11], r12");
-    test_display(&[0x66, 0x0f, 0x38, 0xf5, 0x47, 0xe9], "wruss dword [rdi - 0x17], eax");
-    test_invalid(&[0x0f, 0x38, 0xf5, 0x47, 0xe9]);
-    test_invalid(&[0x66, 0x3e, 0x65, 0x3e, 0x0f, 0x38, 0xf5, 0xf0]);
-    test_display(&[0xf3, 0x0f, 0x01, 0xe8], "setssbsy");
-    test_display(&[0xf3, 0x0f, 0x01, 0xea], "saveprevssp");
-    test_display(&[0x66, 0xf3, 0x0f, 0x01, 0xe8], "setssbsy");
-    test_display(&[0x66, 0xf3, 0x0f, 0x01, 0xea], "saveprevssp");
-    test_display(&[0xf3, 0x66, 0x0f, 0x01, 0xe8], "setssbsy");
-    test_display(&[0xf3, 0x66, 0x0f, 0x01, 0xea], "saveprevssp");
-    test_display(&[0xf3, 0x0f, 0x01, 0x29], "rstorssp qword [rcx]");
-    test_display(&[0xf3, 0x66, 0x0f, 0x01, 0x29], "rstorssp qword [rcx]");
-    test_display(&[0xf3, 0x0f, 0xae, 0x30], "clrssbsy qword [rax]");
+mod cet {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        // see
+        // https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-enforcement-technology-preview.pdf
+        // includes encodings:
+        // wruss{d,q} 066 f 38 f5
+        // wrss{d,q} 0f 38 f6
+        // rstorssp f3 0f 01 /5
+        // saveprevssp f3 0f 01 ea
+        // rdssp{d,q} f3 0f 1e
+        // incssp{d,q} f3 0f ae /5
+        // testcase!(&[0x0f, 0x38, 0xf6, 0x8c, 0x98, 0x4d, 0x33, 0xf5, 0xd3, ], "wrssd [rax + rbx * 4 - 0x2c0accb3], ecx"),
+        // setssbsy f3 0f 01 e8
+        // clrssbsy f3 0f ae /6
+        // endbr64 f3 0f ae fa
+        // endbr32 f3 0f ae fb
+        testcase!(&[0xf3, 0x4f, 0x0f, 0xae, 0xe9], "incssp r9"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0xe9], "incssp ecx"),
+        testcase!(&[0x3e, 0x4f, 0x0f, 0x38, 0xf6, 0x23], "wrss qword [r11], r12"),
+        testcase!(&[0x66, 0x0f, 0x38, 0xf5, 0x47, 0xe9], "wruss dword [rdi - 0x17], eax"),
+        testcase!(invalid: &[0x0f, 0x38, 0xf5, 0x47, 0xe9]),
+        testcase!(invalid: &[0x66, 0x3e, 0x65, 0x3e, 0x0f, 0x38, 0xf5, 0xf0]),
+        testcase!(&[0xf3, 0x0f, 0x01, 0xe8], "setssbsy"),
+        testcase!(&[0xf3, 0x0f, 0x01, 0xea], "saveprevssp"),
+        testcase!(&[0x66, 0xf3, 0x0f, 0x01, 0xe8], "setssbsy"),
+        testcase!(&[0x66, 0xf3, 0x0f, 0x01, 0xea], "saveprevssp"),
+        testcase!(&[0xf3, 0x66, 0x0f, 0x01, 0xe8], "setssbsy"),
+        testcase!(&[0xf3, 0x66, 0x0f, 0x01, 0xea], "saveprevssp"),
+        testcase!(&[0xf3, 0x0f, 0x01, 0x29], "rstorssp qword [rcx]"),
+        testcase!(&[0xf3, 0x66, 0x0f, 0x01, 0x29], "rstorssp qword [rcx]"),
+        testcase!(&[0xf3, 0x0f, 0xae, 0x30], "clrssbsy qword [rax]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_sse4a() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_sse4a(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-    }
-
-    test_instr(&[0xf2, 0x0f, 0x2b, 0x06], "movntsd qword [rsi], xmm0");
-    test_invalid(&[0xf2, 0x0f, 0x2b, 0xc6]);
-    test_instr(&[0xf3, 0x0f, 0x2b, 0x06], "movntss dword [rsi], xmm0");
-    test_invalid(&[0xf3, 0x0f, 0xba, 0xc6]);
-    test_instr(&[0x66, 0xf2, 0x0f, 0x79, 0xcf], "insertq xmm1, xmm7");
-    test_invalid(&[0x66, 0xf2, 0x0f, 0x79, 0x0f]);
-    test_instr(&[0xf2, 0x0f, 0x79, 0xcf], "insertq xmm1, xmm7");
-    test_instr(&[0xf2, 0x0f, 0x78, 0xf1, 0x4e, 0x76], "insertq xmm6, xmm1, 0x4e, 0x76");
-    test_invalid(&[0xf2, 0x0f, 0x79, 0x0f]);
-    test_instr(&[0x66, 0x0f, 0x79, 0xcf], "extrq xmm1, xmm7");
-    test_invalid(&[0x66, 0x0f, 0x79, 0x0f]);
-    test_instr(&[0x66, 0x0f, 0x78, 0xc1, 0x4e, 0x76], "extrq xmm1, 0x4e, 0x76");
-    test_invalid(&[0x66, 0x0f, 0x78, 0xc9, 0x4e, 0x76]);
+mod sse4a {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { SSE4a: true } &[0xf2, 0x0f, 0x2b, 0x06], "movntsd qword [rsi], xmm0"),
+        testcase!(invalid: &[0xf2, 0x0f, 0x2b, 0xc6]),
+        testcase!(features { SSE4a: true } &[0xf3, 0x0f, 0x2b, 0x06], "movntss dword [rsi], xmm0"),
+        testcase!(invalid: &[0xf3, 0x0f, 0xba, 0xc6]),
+        testcase!(features { SSE4a: true } &[0x66, 0xf2, 0x0f, 0x79, 0xcf], "insertq xmm1, xmm7"),
+        testcase!(invalid: &[0x66, 0xf2, 0x0f, 0x79, 0x0f]),
+        testcase!(features { SSE4a: true } &[0xf2, 0x0f, 0x79, 0xcf], "insertq xmm1, xmm7"),
+        testcase!(features { SSE4a: true } &[0xf2, 0x0f, 0x78, 0xf1, 0x4e, 0x76], "insertq xmm6, xmm1, 0x4e, 0x76"),
+        testcase!(invalid: &[0xf2, 0x0f, 0x79, 0x0f]),
+        testcase!(features { SSE4a: true } &[0x66, 0x0f, 0x79, 0xcf], "extrq xmm1, xmm7"),
+        testcase!(invalid: &[0x66, 0x0f, 0x79, 0x0f]),
+        testcase!(features { SSE4a: true } &[0x66, 0x0f, 0x78, 0xc1, 0x4e, 0x76], "extrq xmm1, 0x4e, 0x76"),
+        testcase!(invalid: &[0x66, 0x0f, 0x78, 0xc9, 0x4e, 0x76]),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_3dnow() {
-    fn test_instr(bytes: &[u8], text: &'static str) {
-        test_display_under(&InstDecoder::minimal().with_3dnow(), bytes, text);
-        test_display_under(&InstDecoder::default(), bytes, text);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-        test_invalid_under(&InstDecoder::minimal(), bytes);
-        test_display_under(&yaxpeax_x86::long_mode::uarch::amd::k8(), bytes, text);
-        test_invalid_under(&yaxpeax_x86::long_mode::uarch::amd::bulldozer(), bytes);
-        test_invalid_under(&yaxpeax_x86::long_mode::uarch::intel::netburst(), bytes);
-    }
-
-    test_instr(&[0x0f, 0x0f, 0xe0, 0x8a], "pfnacc mm4, mm0");
-    test_instr(&[0x0f, 0x0f, 0x38, 0x8e], "pfpnacc mm7, qword [rax]");
-    test_instr(&[0x65, 0x67, 0x65, 0x65, 0x0f, 0x0e], "femms");
-    test_instr(&[0x3e, 0xf3, 0x2e, 0xf2, 0x0f, 0x0f, 0x64, 0x93, 0x93, 0xa4], "pfmax mm4, qword [rbx + rdx * 4 - 0x6d]");
-    test_instr(&[0x26, 0x36, 0x0f, 0x0f, 0x70, 0xfb, 0x0c], "pi2fw mm6, qword [rax - 0x5]");
-    test_instr(&[0x66, 0x0f, 0x0f, 0xc6, 0xb7], "pmulhrw mm0, mm6");
-    test_instr(&[0x0f, 0x0f, 0xc6, 0xb7], "pmulhrw mm0, mm6");
-    test_instr(&[0x0f, 0x0e], "femms");
+mod _3dnow {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x0f, 0x0f, 0xe0, 0x8a], "pfnacc mm4, mm0"),
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x0f, 0x0f, 0x38, 0x8e], "pfpnacc mm7, qword [rax]"),
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x65, 0x67, 0x65, 0x65, 0x0f, 0x0e], "femms"),
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x3e, 0xf3, 0x2e, 0xf2, 0x0f, 0x0f, 0x64, 0x93, 0x93, 0xa4], "pfmax mm4, qword [rbx + rdx * 4 - 0x6d]"),
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x26, 0x36, 0x0f, 0x0f, 0x70, 0xfb, 0x0c], "pi2fw mm6, qword [rax - 0x5]"),
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x66, 0x0f, 0x0f, 0xc6, 0xb7], "pmulhrw mm0, mm6"),
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x0f, 0x0f, 0xc6, 0xb7], "pmulhrw mm0, mm6"),
+        testcase!(features { DecoderK8: true, DecoderBulldozer: false, DecoderNetburst: false } &[0x0f, 0x0e], "femms"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
 // first appeared in tremont
-#[test]
-fn test_direct_stores() {
-    test_display(&[0x36, 0x36, 0x2e, 0x0f, 0x38, 0xf9, 0x55, 0x3e, ], "movdiri dword [rbp + 0x3e], edx");
-    test_display(&[0x36, 0x26, 0x66, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b rbp, zmmword [rbp + 0x729080b]");
-    test_display(&[0x36, 0x26, 0x66, 0x67, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b ebp, zmmword [ebp + 0x729080b]");
+mod direct_stores {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x36, 0x36, 0x2e, 0x0f, 0x38, 0xf9, 0x55, 0x3e, ], "movdiri dword [rbp + 0x3e], edx"),
+        testcase!(&[0x36, 0x26, 0x66, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b rbp, zmmword [rbp + 0x729080b]"),
+        testcase!(&[0x36, 0x26, 0x66, 0x67, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07], "movdir64b ebp, zmmword [ebp + 0x729080b]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_key_locker() {
-    test_display(&[0xf3, 0x64, 0x2e, 0x65, 0x0f, 0x38, 0xdc, 0xe8], "loadiwkey xmm5, xmm0");
-    test_display(&[0xf3, 0x0f, 0x38, 0xfa, 0xde], "encodekey128 ebx, esi");
-    test_display(&[0xf3, 0x0f, 0x38, 0xfb, 0xde], "encodekey256 ebx, esi");
+mod key_locker {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x64, 0x2e, 0x65, 0x0f, 0x38, 0xdc, 0xe8], "loadiwkey xmm5, xmm0"),
+        testcase!(&[0xf3, 0x0f, 0x38, 0xfa, 0xde], "encodekey128 ebx, esi"),
+        testcase!(&[0xf3, 0x0f, 0x38, 0xfb, 0xde], "encodekey256 ebx, esi"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
 // these uinter test cases come from llvm:
 // https://reviews.llvm.org/differential/changeset/?ref=2226860
-#[test]
-fn test_uintr() {
-    test_display(&[0xf3, 0x0f, 0x01, 0xec], "uiret");
-    test_display(&[0xf3, 0x0f, 0x01, 0xed], "testui");
-    test_display(&[0xf3, 0x0f, 0x01, 0xee], "clui");
-    test_display(&[0xf3, 0x0f, 0x01, 0xef], "stui");
-    test_display(&[0xf3, 0x0f, 0xc7, 0xf0], "senduipi rax");
-    test_display(&[0xf3, 0x0f, 0xc7, 0xf2], "senduipi rdx");
-    test_display(&[0xf3, 0x41, 0x0f, 0xc7, 0xf0], "senduipi r8");
-    test_display(&[0xf3, 0x41, 0x0f, 0xc7, 0xf5], "senduipi r13");
+mod uintr {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x0f, 0x01, 0xec], "uiret"),
+        testcase!(&[0xf3, 0x0f, 0x01, 0xed], "testui"),
+        testcase!(&[0xf3, 0x0f, 0x01, 0xee], "clui"),
+        testcase!(&[0xf3, 0x0f, 0x01, 0xef], "stui"),
+        testcase!(&[0xf3, 0x0f, 0xc7, 0xf0], "senduipi rax"),
+        testcase!(&[0xf3, 0x0f, 0xc7, 0xf2], "senduipi rdx"),
+        testcase!(&[0xf3, 0x41, 0x0f, 0xc7, 0xf0], "senduipi r8"),
+        testcase!(&[0xf3, 0x41, 0x0f, 0xc7, 0xf5], "senduipi r13"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
 // started shipping in sapphire rapids
-#[test]
-fn test_enqcmd() {
-    test_display(&[0xf2, 0xf2, 0x2e, 0x36, 0x47, 0x0f, 0x38, 0xf8, 0x83, 0x09, 0x1c, 0x9d, 0x3f], "enqcmd r8, zmmword [r11 + 0x3f9d1c09]");
-    test_display(&[0x3e, 0x64, 0xf3, 0x64, 0x0f, 0x38, 0xf8, 0x72, 0x54], "enqcmds rsi, zmmword fs:[rdx + 0x54]");
+mod enqcmd {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf2, 0xf2, 0x2e, 0x36, 0x47, 0x0f, 0x38, 0xf8, 0x83, 0x09, 0x1c, 0x9d, 0x3f], "enqcmd r8, zmmword [r11 + 0x3f9d1c09]"),
+        testcase!(&[0x3e, 0x64, 0xf3, 0x64, 0x0f, 0x38, 0xf8, 0x72, 0x54], "enqcmds rsi, zmmword fs:[rdx + 0x54]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_gfni() {
-    test_display(&[0x3e, 0x64, 0x64, 0x66, 0x4e, 0x0f, 0x3a, 0xcf, 0xba, 0x13, 0x23, 0x04, 0xba, 0x6b], "gf2p8affineinvqb xmm15, xmmword fs:[rdx - 0x45fbdced], 0x6b");
-    test_display(&[0x66, 0x36, 0x0f, 0x3a, 0xce, 0x8c, 0x56, 0x9e, 0x82, 0xd1, 0xbe, 0xad], "gf2p8affineqb xmm1, xmmword [rsi + rdx * 2 - 0x412e7d62], 0xad");
-    test_display(&[0x66, 0x4e, 0x0f, 0x38, 0xcf, 0x1c, 0x54], "gf2p8mulb xmm11, xmmword [rsp + r10 * 2]");
+mod gfni {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x3e, 0x64, 0x64, 0x66, 0x4e, 0x0f, 0x3a, 0xcf, 0xba, 0x13, 0x23, 0x04, 0xba, 0x6b], "gf2p8affineinvqb xmm15, xmmword fs:[rdx - 0x45fbdced], 0x6b"),
+        testcase!(&[0x66, 0x36, 0x0f, 0x3a, 0xce, 0x8c, 0x56, 0x9e, 0x82, 0xd1, 0xbe, 0xad], "gf2p8affineqb xmm1, xmmword [rsi + rdx * 2 - 0x412e7d62], 0xad"),
+        testcase!(&[0x66, 0x4e, 0x0f, 0x38, 0xcf, 0x1c, 0x54], "gf2p8mulb xmm11, xmmword [rsp + r10 * 2]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_tdx() {
-    test_display(&[0x66, 0x0f, 0x01, 0xcc], "tdcall");
-    test_display(&[0x66, 0x0f, 0x01, 0xcd], "seamret");
-    test_display(&[0x66, 0x0f, 0x01, 0xce], "seamops");
-    test_display(&[0x66, 0x0f, 0x01, 0xcf], "seamcall");
+mod tdx {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0x66, 0x0f, 0x01, 0xcc], "tdcall"),
+        testcase!(&[0x66, 0x0f, 0x01, 0xcd], "seamret"),
+        testcase!(&[0x66, 0x0f, 0x01, 0xce], "seamops"),
+        testcase!(&[0x66, 0x0f, 0x01, 0xcf], "seamcall"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_tsxldtrk() {
-    test_display(&[0xf2, 0x0f, 0x01, 0xe8], "xsusldtrk");
-    test_display(&[0xf2, 0x0f, 0x01, 0xe9], "xresldtrk");
+mod tsxldtrk {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf2, 0x0f, 0x01, 0xe8], "xsusldtrk"),
+        testcase!(&[0xf2, 0x0f, 0x01, 0xe9], "xresldtrk"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_sevsnp() {
-    test_display(&[0xf3, 0x0f, 0x01, 0xff], "psmash");
-    test_display(&[0xf2, 0x0f, 0x01, 0xff], "pvalidate");
-    test_display(&[0xf3, 0x0f, 0x01, 0xfe], "rmpadjust");
-    test_display(&[0xf2, 0x0f, 0x01, 0xfe], "rmpupdate");
+mod sevsnp {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x0f, 0x01, 0xff], "psmash"),
+        testcase!(&[0xf2, 0x0f, 0x01, 0xff], "pvalidate"),
+        testcase!(&[0xf3, 0x0f, 0x01, 0xfe], "rmpadjust"),
+        testcase!(&[0xf2, 0x0f, 0x01, 0xfe], "rmpupdate"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn test_keylocker() {
-    test_display(&[0xf3, 0x0f, 0x38, 0xdd, 0x03], "aesdec128kl xmm0, m384b [rbx]");
+mod keylocker {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x0f, 0x38, 0xdd, 0x03], "aesdec128kl xmm0, m384b [rbx]"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
 // some test cases are best just lifted from llvm or gcc.
-#[test]
-fn from_llvm() {
-    test_display(&[0xf3, 0x0f, 0x3a, 0xf0, 0xc0, 0x01], "hreset 0x1");
-    let mut reader = yaxpeax_arch::U8Reader::new(&[0xf3, 0x0f, 0x3a, 0xf0, 0xc0, 0x01]);
-    let hreset = InstDecoder::default().decode(&mut reader).expect("can disassemble test instruction");
-    assert_eq!(hreset.operand_count(), 1);
+mod from_llvm {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        testcase!(&[0xf3, 0x0f, 0x3a, 0xf0, 0xc0, 0x01], "hreset 0x1"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
-#[test]
-fn from_reports() {
-    // negative compressed evex displacements should not overflow and panic
-    test_display(&[0x62, 0xf2, 0x6d, 0xac, 0x00, 0x59, 0xa7], "vpshufb ymm3{k4}{z}, ymm2, ymmword [rcx - 0xb20]");
-    test_display(&[0x62, 0xf2, 0xfd, 0x0f, 0x8a, 0x62, 0xf2], "vcompresspd xmmword [rdx - 0x70]{k7}, xmm4");
-    test_display(&[0xf3, 0x0f, 0x1e, 0x0f], "nop dword [rdi], ecx");
+mod from_reports {
+    use crate::long_mode::{TestCase, run_test};
+
+    const CASES: &'static [TestCase] = &[
+        // negative compressed evex displacements should not overflow and panic
+        testcase!(&[0x62, 0xf2, 0x6d, 0xac, 0x00, 0x59, 0xa7], "vpshufb ymm3{k4}{z}, ymm2, ymmword [rcx - 0xb20]"),
+        testcase!(&[0x62, 0xf2, 0xfd, 0x0f, 0x8a, 0x62, 0xf2], "vcompresspd xmmword [rdx - 0x70]{k7}, xmm4"),
+        testcase!(&[0xf3, 0x0f, 0x1e, 0x0f], "nop dword [rdi], ecx"),
+    ];
+
+    #[test]
+    fn test() {
+        run_test(&CASES);
+    }
 }
 
 /// the first four single byte registers (`al`, `cl`, `dl`, `bl`) can be described as either the