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Support x86 FMA4 and SSE4A features

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gadoofou87 2020-03-11 18:44:49 +05:00 committed by Mizux
parent eb168a2da2
commit 3262a55118
2 changed files with 16 additions and 0 deletions
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4
include/cpuinfo_x86.h
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@ -31,6 +31,7 @@ typedef struct {
int aes : 1;
int erms : 1;
int f16c : 1;
int fma4 : 1;
int fma3 : 1;
int vaes : 1;
int vpclmulqdq : 1;
@ -48,6 +49,7 @@ typedef struct {
int ssse3 : 1;
int sse4_1 : 1;
int sse4_2 : 1;
int sse4a : 1;
int avx : 1;
int avx2 : 1;
@ -149,6 +151,7 @@ typedef enum {
X86_AES,
X86_ERMS,
X86_F16C,
X86_FMA4,
X86_FMA3,
X86_VAES,
X86_VPCLMULQDQ,
@ -165,6 +168,7 @@ typedef enum {
X86_SSSE3,
X86_SSE4_1,
X86_SSE4_2,
X86_SSE4A,
X86_AVX,
X86_AVX2,
X86_AVX512F,

12
src/cpuinfo_x86.c
View File

@ -1043,6 +1043,8 @@ static void ParseLeaf4(const int max_cpuid_leaf, CacheInfo* info) {
static void ParseCpuId(const uint32_t max_cpuid_leaf, X86Info* info) {
const Leaf leaf_1 = SafeCpuId(max_cpuid_leaf, 1);
const Leaf leaf_7 = SafeCpuId(max_cpuid_leaf, 7);
const Leaf leaf_80000000 = CpuId(0x80000000);
const Leaf leaf_80000001 = SafeCpuId(leaf_80000000.eax, 0x80000001);
const bool have_xsave = IsBitSet(leaf_1.ecx, 26);
const bool have_osxsave = IsBitSet(leaf_1.ecx, 27);
@ -1097,9 +1099,11 @@ static void ParseCpuId(const uint32_t max_cpuid_leaf, X86Info* info) {
features->ssse3 = IsBitSet(leaf_1.ecx, 9);
features->sse4_1 = IsBitSet(leaf_1.ecx, 19);
features->sse4_2 = IsBitSet(leaf_1.ecx, 20);
features->sse4a = IsBitSet(leaf_80000001.ecx, 6);
}
if (have_avx_os_support) {
features->fma4 = IsBitSet(leaf_80000001.ecx, 16);
features->fma3 = IsBitSet(leaf_1.ecx, 12);
features->avx = IsBitSet(leaf_1.ecx, 28);
features->avx2 = IsBitSet(leaf_7.ebx, 5);
@ -1295,6 +1299,8 @@ int GetX86FeaturesEnumValue(const X86Features* features,
return features->erms;
case X86_F16C:
return features->f16c;
case X86_FMA4:
return features->fma4;
case X86_FMA3:
return features->fma3;
case X86_VAES:
@ -1327,6 +1333,8 @@ int GetX86FeaturesEnumValue(const X86Features* features,
return features->sse4_1;
case X86_SSE4_2:
return features->sse4_2;
case X86_SSE4A:
return features->sse4a;
case X86_AVX:
return features->avx;
case X86_AVX2:
@ -1405,6 +1413,8 @@ const char* GetX86FeaturesEnumName(X86FeaturesEnum value) {
return "erms";
case X86_F16C:
return "f16c";
case X86_FMA4:
return "fma4";
case X86_FMA3:
return "fma3";
case X86_VAES:
@ -1437,6 +1447,8 @@ const char* GetX86FeaturesEnumName(X86FeaturesEnum value) {
return "sse4_1";
case X86_SSE4_2:
return "sse4_2";
case X86_SSE4A:
return "sse4a";
case X86_AVX:
return "avx";
case X86_AVX2: