diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td index d8631aca273..e7611616d10 100644 --- a/llvm/lib/Target/X86/X86.td +++ b/llvm/lib/Target/X86/X86.td @@ -386,6 +386,10 @@ def FeaturePrefer256Bit : SubtargetFeature<"prefer-256-bit", "Prefer256Bit", "true", "Prefer 256-bit AVX instructions">; +def FeaturePreferMaskRegisters + : SubtargetFeature<"prefer-mask-registers", "PreferMaskRegisters", "true", + "Prefer AVX512 mask registers over PTEST/MOVMSK">; + // Lower indirect calls using a special construct called a `retpoline` to // mitigate potential Spectre v2 attacks against them. def FeatureRetpolineIndirectCalls @@ -801,6 +805,7 @@ def ProcessorFeatures { FeatureBMI2, FeatureFMA, FeaturePRFCHW, + FeaturePreferMaskRegisters, FeatureSlowTwoMemOps, FeatureFastPartialYMMorZMMWrite, FeatureHasFastGather, |
