Introduce a helper function to take care of instruction CPUID checks.
Signed-off-by: Jan Bobek <jan.bo...@gmail.com>
---
target/i386/translate.c | 45 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/target/i386/translate.c b/target/i386/translate.c
index 03b49411e5..508d584584 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -4500,6 +4500,51 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b)
#define tcg_gen_gvec_cmpgt(vece, dofs, aofs, bofs, oprsz, maxsz) \
tcg_gen_gvec_cmp(TCG_COND_GT, vece, dofs, aofs, bofs, oprsz, maxsz)
+enum {
+ CK_CPUID_MMX = 1,
+ CK_CPUID_3DNOW,
+ CK_CPUID_SSE,
+ CK_CPUID_SSE2,
+ CK_CPUID_SSE3,
+ CK_CPUID_SSSE3,
+ CK_CPUID_SSE4_1,
+ CK_CPUID_SSE4_2,
+ CK_CPUID_SSE4A,
+ CK_CPUID_AVX,
+ CK_CPUID_AVX2,
+};
+
+static int ck_cpuid(CPUX86State *env, DisasContext *s, int ck_cpuid_feat)
+{
+ switch (ck_cpuid_feat) {
+ case CK_CPUID_MMX:
+ return !(s->cpuid_features & CPUID_MMX)
+ || !(s->cpuid_ext2_features & CPUID_EXT2_MMX);
+ case CK_CPUID_3DNOW:
+ return !(s->cpuid_ext2_features & CPUID_EXT2_3DNOW);
+ case CK_CPUID_SSE:
+ return !(s->cpuid_features & CPUID_SSE);
+ case CK_CPUID_SSE2:
+ return !(s->cpuid_features & CPUID_SSE2);
+ case CK_CPUID_SSE3:
+ return !(s->cpuid_ext_features & CPUID_EXT_SSE3);
+ case CK_CPUID_SSSE3:
+ return !(s->cpuid_ext_features & CPUID_EXT_SSSE3);
+ case CK_CPUID_SSE4_1:
+ return !(s->cpuid_ext_features & CPUID_EXT_SSE41);
+ case CK_CPUID_SSE4_2:
+ return !(s->cpuid_ext_features & CPUID_EXT_SSE42);
+ case CK_CPUID_SSE4A:
+ return !(s->cpuid_ext3_features & CPUID_EXT3_SSE4A);
+ case CK_CPUID_AVX:
+ return !(s->cpuid_ext_features & CPUID_EXT_AVX);
+ case CK_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
