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[X86] Use ADD/SUB instead of INC/DEC for Haswell and Broadwell CPUs

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Differential Revision: http://reviews.llvm.org/D5934



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Volkov
2014-11-17 16:17:51 +00:00
parent ae3738f4a7
commit 19e8fe05dc
3 changed files with 91 additions and 10 deletions
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5
lib/Target/X86/X86.td
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@@ -280,7 +280,7 @@ def : ProcessorModel<"core-avx2", HaswellModel,
FeaturePOPCNT, FeatureAES, FeaturePCLMUL, FeatureRDRAND,
FeatureF16C, FeatureFSGSBase, FeatureMOVBE, FeatureLZCNT,
FeatureBMI, FeatureBMI2, FeatureFMA, FeatureRTM,
FeatureHLE]>;
FeatureHLE, FeatureSlowIncDec]>;
// Broadwell
def : ProcessorModel<"broadwell", HaswellModel,
@@ -288,7 +288,8 @@ def : ProcessorModel<"broadwell", HaswellModel,
FeaturePOPCNT, FeatureAES, FeaturePCLMUL, FeatureRDRAND,
FeatureF16C, FeatureFSGSBase, FeatureMOVBE, FeatureLZCNT,
FeatureBMI, FeatureBMI2, FeatureFMA, FeatureRTM,
FeatureHLE, FeatureADX, FeatureRDSEED, FeatureSMAP]>;
FeatureHLE, FeatureADX, FeatureRDSEED, FeatureSMAP,
FeatureSlowIncDec]>;
// KNL
// FIXME: define KNL model
def : ProcessorModel<"knl", HaswellModel,