add failing decode test cases

2 files changed, 10 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index e95f4dd..95e727a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,6 +30,7 @@ pub struct RegSpec {
 // This is only to select alternate opcode maps for the 0f escape byte.
 // This often could be treated as a size prefix but in some cases selects
 // an entirely different operation.
+#[derive(Debug)]
 enum OpcodeMap {
     Map66,
     MapF2,
diff --git a/test/test.rs b/test/test.rs
index 85288a6..3a7aee9 100644
--- a/test/test.rs
+++ b/test/test.rs
@@ -57,6 +57,7 @@ fn test_system() {
 #[test]
 fn test_arithmetic() {
     test_display(&[0x81, 0xec, 0x10, 0x03, 0x00, 0x00], "sub esp, 0x310");
+    test_display(&[0x0f, 0xaf, 0xc2], "imul eax, edx");
 }
 
 #[test]
@@ -68,6 +69,8 @@ fn test_E_decode() {
 
 #[test]
 fn test_sse() {
+    test_display(&[0x0f, 0x28, 0xd0], "movaps xmm2, xmm0");
+    test_display(&[0x66, 0x0f, 0xef, 0xc0], "pxor xmm0, xmm0");
     test_display(&[0xf2, 0x0f, 0x10, 0x0c, 0xc6], "movsd xmm1, [rsi + rax * 8]");
     test_display(&[0xf3, 0x0f, 0x10, 0x04, 0x86], "movss xmm0, [rsi + rax * 4]");
     test_display(&[0xf2, 0x0f, 0x59, 0xc8], "mulsd xmm1, xmm0");
@@ -95,6 +98,7 @@ fn test_mov() {
     test_display(&[0x0f, 0xb7, 0x06], "movzx eax, word [rsi]");
     test_display(&[0x89, 0x55, 0x94], "mov [rbp - 0x6c], edx");
     test_display(&[0x65, 0x4c, 0x89, 0x04, 0x25, 0xa8, 0x01, 0x00, 0x00], "mov gs:[0x1a8], r8");
+    test_display(&[0x48, 0x63, 0x04, 0xba], "movsxd rax, [rdx + rdi * 4]");
 }
 
 #[test]
@@ -143,7 +147,9 @@ fn test_push_pop() {
 
 #[test]
 fn test_misc() {
+    test_display(&[0x48, 0x98], "cdqe");
     test_display(&[0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00], "nop cs:[rax + rax]");
+    test_display(&[0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00], "nop cs:[rax + rax]");
     test_display(&[0x48, 0x8d, 0xa4, 0xc7, 0x20, 0x00, 0x00, 0x12], "lea rsp, [rdi + rax * 8 + 0x12000020]");
     test_display(&[0x33, 0xc0], "xor eax, eax");
     test_display(&[0x48, 0x8d, 0x53, 0x08], "lea rdx, [rbx + 0x8]");
@@ -152,4 +158,7 @@ fn test_misc() {
     test_display(&[0x48, 0x03, 0x0b], "add rcx, [rbx]");
     test_display(&[0x48, 0x8d, 0x0c, 0x12], "lea rcx, [rdx + rdx]");
     test_display(&[0xf6, 0xc2, 0x18], "test dl, 0x18");
+    test_display(&[0xf3, 0x48, 0xab], "rep stosq");
+    test_display(&[0xf3, 0x48, 0xa5], "rep movsq");
+    test_display(&[0xf3, 0x45, 0x0f, 0xbc, 0xd7], "tzcnt r10d, r15d");
 }