Displaying 2 results from an estimated 2 matches for "x86avx".
2009 Apr 30
2
[LLVMdev] RFC: AVX Feature Specification
..."Enable VEX prefix">;
def FeatureFMA : SubtargetFeature<"fma", "X86FMA", "true", // Cray
"Enable fused multiply-add">;
def FeatureAVX : SubtargetFeature<"avx", "X86AVX", "true", // Cray
"Enable AVX instructions",
[FeatureSSE42, FeatureYMM, FeatureVEX]>;
YMM, VEX and FMA are all separate features detectable through CPUID.
The key question here is whether makin...
2009 Apr 30
0
[LLVMdev] RFC: AVX Feature Specification
..."Enable VEX prefix">;
> def FeatureFMA : SubtargetFeature<"fma", "X86FMA", "true", // Cray
> "Enable fused multiply-add">;
> def FeatureAVX : SubtargetFeature<"avx", "X86AVX", "true", // Cray
> "Enable AVX instructions",
> [FeatureSSE42, FeatureYMM,
> FeatureVEX]>;
>
> YMM, VEX and FMA are all separate features detectable through CPUID.
>
> The k...