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--- fastops/core/avx_id.cpp.orig 2020-05-06 07:23:43 UTC
+++ fastops/core/avx_id.cpp
@@ -36,23 +36,23 @@ namespace NFastOps {
// This in EBX of cpuid(7)
static constexpr uint32_t AVX2_BIT = 0x00000020;
- static void CpuId(int32_t op, int32_t* res) noexcept {
+ static void CpuId(int32_t op, int32_t sub, int32_t* res) noexcept {
#if defined(_MSC_VER) && !defined(__clang__)
- __cpuid((int*)res, op);
+ __cpuidex((int*)res, op, sub);
#else
- __cpuid(op, res[EAX], res[EBX], res[ECX], res[EDX]);
+ __cpuid_count(op, sub, res[EAX], res[EBX], res[ECX], res[EDX]);
#endif
}
bool IsAVXEnabled() noexcept {
int32_t info[NREGS];
- CpuId(1, info);
+ CpuId(1, 0, info);
return (info[ECX] & OSXSAVE_BIT) && IsYMMSaveEnabled() && (info[ECX] & AVX_BIT);
}
bool IsAVX2Enabled() noexcept {
int32_t info[NREGS];
- CpuId(7, info);
+ CpuId(7, 0, info);
return info[EBX] & AVX2_BIT;
}
}