From 2eebbc76c7185a21bc22e7b78db0e6cbc4bd3de2 Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Thu, 30 Jul 2020 03:15:55 -0700
Subject: sse4.2 tests and missing instructions

---
 test/long_mode/mod.rs | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'test')

diff --git a/test/long_mode/mod.rs b/test/long_mode/mod.rs
index 9ce4019..a9a894a 100644
--- a/test/long_mode/mod.rs
+++ b/test/long_mode/mod.rs
@@ -586,6 +586,41 @@ fn test_sse3() {
 }
 
 #[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);
+    }
+
+    #[allow(unused)]
+    fn test_instr_invalid(bytes: &[u8]) {
+        test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes);
+        test_invalid_under(&InstDecoder::default(), bytes);
+    }
+
+    test_instr(&[0x66, 0x0f, 0x38, 0x37, 0x03], "pcmpgtq xmm0, [rbx]");
+    test_instr(&[0x66, 0x0f, 0x38, 0x37, 0xc3], "pcmpgtq xmm0, xmm3");
+
+    test_instr(&[0xf2, 0x0f, 0x38, 0xf0, 0x06], "crc32 eax, [rsi]");
+    test_instr(&[0xf2, 0x0f, 0x38, 0xf0, 0xc6], "crc32 eax, dh");
+    test_instr(&[0xf2, 0x0f, 0x38, 0xf1, 0x06], "crc32 eax, [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");
+
+    test_instr(&[0x66, 0x0f, 0x3a, 0x60, 0xc6, 0x54], "pcmpestrm xmm0, xmm6, 0x54");
+    test_instr(&[0x66, 0x0f, 0x3a, 0x60, 0x06, 0x54], "pcmpestrm xmm0, [rsi], 0x54");
+    test_instr(&[0x66, 0x0f, 0x3a, 0x61, 0xc6, 0x54], "pcmpestri xmm0, xmm6, 0x54");
+    test_instr(&[0x66, 0x0f, 0x3a, 0x61, 0x06, 0x54], "pcmpestri xmm0, [rsi], 0x54");
+    test_instr(&[0x66, 0x0f, 0x3a, 0x62, 0xc6, 0x54], "pcmpistrm xmm0, xmm6, 0x54");
+    test_instr(&[0x66, 0x0f, 0x3a, 0x62, 0x06, 0x54], "pcmpistrm xmm0, [rsi], 0x54");
+    test_instr(&[0x66, 0x0f, 0x3a, 0x63, 0xc6, 0x54], "pcmpistri xmm0, xmm6, 0x54");
+    test_instr(&[0x66, 0x0f, 0x3a, 0x63, 0x06, 0x54], "pcmpistri xmm0, [rsi], 0x54");
+}
+
+#[test]
 fn test_sse4_1() {
     fn test_instr(bytes: &[u8], text: &'static str) {
         test_display_under(&InstDecoder::minimal().with_sse4_1(), bytes, text);
@@ -690,6 +725,8 @@ fn test_sse4_1() {
 
     test_instr(&[0x66, 0x0f, 0x3a, 0x14, 0x06, 0x31], "pextrb xmm0, [rsi], 0x31");
     test_invalid(&[0x0f, 0x3a, 0x14, 0x06]);
+    test_instr(&[0x66, 0x0f, 0x3a, 0x15, 0x06, 0x31], "pextrw xmm0, [rsi], 0x31");
+    test_invalid(&[0x0f, 0x3a, 0x15, 0x06]);
     test_instr(&[0x66, 0x0f, 0x3a, 0x16, 0x06, 0x31], "pextrd xmm0, [rsi], 0x31");
     test_invalid(&[0x0f, 0x3a, 0x16, 0x06]);
     test_instr(&[0x66, 0x48, 0x0f, 0x3a, 0x16, 0x06, 0x31], "pextrq xmm0, [rsi], 0x31");
-- 
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