Introduce a helper function to take care of instruction CPUID checks.
Signed-off-by: Jan Bobek <jan.bo...@gmail.com>
---
target/i386/translate.c | 62 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/target/i386/translate.c b/target/i386/translate.c
index 467ecf15ba..3e54443d99 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -4516,6 +4516,68 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b)
#define gen_gvec_cmp(dofs, aofs, bofs, oprsz, maxsz, vece, cond) \
tcg_gen_gvec_cmp(cond, vece, dofs, aofs, bofs, oprsz, maxsz)
+typedef enum {
+ CHECK_CPUID_MMX = 1,
+ CHECK_CPUID_3DNOW,
+ CHECK_CPUID_SSE,
+ CHECK_CPUID_SSE2,
+ CHECK_CPUID_CLFLUSH,
+ CHECK_CPUID_SSE3,
+ CHECK_CPUID_SSSE3,
+ CHECK_CPUID_SSE4_1,
+ CHECK_CPUID_SSE4_2,
+ CHECK_CPUID_SSE4A,
+ CHECK_CPUID_AES,
+ CHECK_CPUID_PCLMULQDQ,
+ CHECK_CPUID_AVX,
+ CHECK_CPUID_AES_AVX,
+ CHECK_CPUID_PCLMULQDQ_AVX,
+ CHECK_CPUID_AVX2,
+} CheckCpuidFeat;
+
+static bool check_cpuid(CPUX86State *env, DisasContext *s, CheckCpuidFeat feat)
+{
+ switch (feat) {
+ case CHECK_CPUID_MMX:
+ return (s->cpuid_features & CPUID_MMX)
+ && (s->cpuid_ext2_features & CPUID_EXT2_MMX);
+ case CHECK_CPUID_3DNOW:
+ return s->cpuid_ext2_features & CPUID_EXT2_3DNOW;
+ case CHECK_CPUID_SSE:
+ return s->cpuid_features & CPUID_SSE;
+ case CHECK_CPUID_SSE2:
+ return s->cpuid_features & CPUID_SSE2;
+ case CHECK_CPUID_CLFLUSH:
+ return s->cpuid_features & CPUID_CLFLUSH;
+ case CHECK_CPUID_SSE3:
+ return s->cpuid_ext_features & CPUID_EXT_SSE3;
+ case CHECK_CPUID_SSSE3:
+ return s->cpuid_ext_features & CPUID_EXT_SSSE3;
+ case CHECK_CPUID_SSE4_1:
+ return s->cpuid_ext_features & CPUID_EXT_SSE41;
+ case CHECK_CPUID_SSE4_2:
+ return s->cpuid_ext_features & CPUID_EXT_SSE42;
+ case CHECK_CPUID_SSE4A:
+ return s->cpuid_ext3_features & CPUID_EXT3_SSE4A;
+ case CHECK_CPUID_AES:
+ return s->cpuid_ext_features & CPUID_EXT_AES;
+ case CHECK_CPUID_PCLMULQDQ:
+ return s->cpuid_ext_features & CPUID_EXT_PCLMULQDQ;
+ case CHECK_CPUID_AVX:
+ return s->cpuid_ext_features & CPUID_EXT_AVX;
+ case CHECK_CPUID_AES_AVX:
+ return (s->cpuid_ext_features & CPUID_EXT_AES)
+ && (s->cpuid_ext_features & CPUID_EXT_AVX);
+ case CHECK_CPUID_PCLMULQDQ_AVX:
+ return (s->cpuid_ext_features & CPUID_EXT_PCLMULQDQ)
+ && (s->cpuid_ext_features & CPUID_EXT_AVX);
+ case CHECK_CPUID_AVX2:
+ return s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_AVX2;
+ default:
+ g_assert_not_reached();
+ }
+}
+
static void gen_sse_ng(CPUX86State *env, DisasContext *s, int b)
{
enum {
--
2.20.1
