"LEA instruction with certain arguments is slow">;
def FeatureSlowIncDec : SubtargetFeature<"slow-incdec", "SlowIncDec", "true",
"INC and DEC instructions are slower than ADD and SUB">;
-def FeatureUseSqrtEst : SubtargetFeature<"use-sqrt-est", "UseSqrtEst", "true",
- "Use RSQRT* to optimize square root calculations">;
-def FeatureUseRecipEst : SubtargetFeature<"use-recip-est", "UseReciprocalEst",
- "true", "Use RCP* to optimize division calculations">;
def FeatureSoftFloat
: SubtargetFeature<"soft-float", "UseSoftFloat", "true",
"Use software floating point features.">;
FeaturePRFCHW, FeatureAES, FeaturePCLMUL,
FeatureBMI, FeatureF16C, FeatureMOVBE,
FeatureLZCNT, FeaturePOPCNT, FeatureFastUAMem,
- FeatureSlowSHLD, FeatureUseSqrtEst, FeatureUseRecipEst]>;
+ FeatureSlowSHLD]>;
// TODO: We should probably add 'FeatureFastUAMem' to all of the AMD chips.