diff options
Diffstat (limited to 'lib/Target/X86/X86.td')
| -rw-r--r-- | lib/Target/X86/X86.td | 56 |
1 files changed, 47 insertions, 9 deletions
diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td index 3112f00c91f2..d8631aca2734 100644 --- a/lib/Target/X86/X86.td +++ b/lib/Target/X86/X86.td @@ -95,7 +95,8 @@ def Feature3DNowA : SubtargetFeature<"3dnowa", "X863DNowLevel", "ThreeDNowA", def Feature64Bit : SubtargetFeature<"64bit", "HasX86_64", "true", "Support 64-bit instructions">; def FeatureCMPXCHG16B : SubtargetFeature<"cx16", "HasCmpxchg16b", "true", - "64-bit with cmpxchg16b">; + "64-bit with cmpxchg16b", + [FeatureCMPXCHG8B]>; def FeatureSlowSHLD : SubtargetFeature<"slow-shld", "IsSHLDSlow", "true", "SHLD instruction is slow">; def FeatureSlowPMULLD : SubtargetFeature<"slow-pmulld", "IsPMULLDSlow", "true", @@ -240,8 +241,11 @@ def FeatureCLDEMOTE : SubtargetFeature<"cldemote", "HasCLDEMOTE", "true", "Enable Cache Demote">; def FeaturePTWRITE : SubtargetFeature<"ptwrite", "HasPTWRITE", "true", "Support ptwrite instruction">; -def FeatureMPX : SubtargetFeature<"mpx", "HasMPX", "true", - "Support MPX instructions">; +// FIXME: This feature is deprecated in 10.0 and should not be used for +// anything, but removing it would break IR files that may contain it in a +// target-feature attribute. +def FeatureDeprecatedMPX : SubtargetFeature<"mpx", "DeprecatedHasMPX", "false", + "Deprecated. Support MPX instructions">; def FeatureLEAForSP : SubtargetFeature<"lea-sp", "UseLeaForSP", "true", "Use LEA for adjusting the stack pointer">; def FeatureSlowDivide32 : SubtargetFeature<"idivl-to-divb", @@ -374,6 +378,10 @@ def FeatureHasFastGather : SubtargetFeature<"fast-gather", "HasFastGather", "true", "Indicates if gather is reasonably fast">; +def FeaturePrefer128Bit + : SubtargetFeature<"prefer-128-bit", "Prefer128Bit", "true", + "Prefer 128-bit AVX instructions">; + def FeaturePrefer256Bit : SubtargetFeature<"prefer-256-bit", "Prefer256Bit", "true", "Prefer 256-bit AVX instructions">; @@ -449,6 +457,10 @@ def FeatureMergeToThreeWayBranch : SubtargetFeature<"merge-to-threeway-branch", "Merge branches to a three-way " "conditional branch">; +// Enable use of alias analysis during code generation. +def FeatureUseAA : SubtargetFeature<"use-aa", "UseAA", "true", + "Use alias analysis during codegen">; + // Bonnell def ProcIntelAtom : SubtargetFeature<"", "X86ProcFamily", "IntelAtom", "">; // Silvermont @@ -579,7 +591,6 @@ def ProcessorFeatures { // Skylake list<SubtargetFeature> SKLAdditionalFeatures = [FeatureAES, - FeatureMPX, FeatureXSAVEC, FeatureXSAVES, FeatureCLFLUSHOPT, @@ -594,6 +605,7 @@ def ProcessorFeatures { // Skylake-AVX512 list<SubtargetFeature> SKXAdditionalFeatures = [FeatureAVX512, + FeaturePrefer256Bit, FeatureCDI, FeatureDQI, FeatureBWI, @@ -627,6 +639,7 @@ def ProcessorFeatures { // Cannonlake list<SubtargetFeature> CNLAdditionalFeatures = [FeatureAVX512, + FeaturePrefer256Bit, FeatureCDI, FeatureDQI, FeatureBWI, @@ -665,6 +678,17 @@ def ProcessorFeatures { list<SubtargetFeature> ICXFeatures = !listconcat(ICLInheritableFeatures, ICXSpecificFeatures); + //Tigerlake + list<SubtargetFeature> TGLAdditionalFeatures = [FeatureVP2INTERSECT, + FeatureMOVDIRI, + FeatureMOVDIR64B, + FeatureSHSTK]; + list<SubtargetFeature> TGLSpecificFeatures = [FeatureHasFastGather]; + list<SubtargetFeature> TGLInheritableFeatures = + !listconcat(TGLAdditionalFeatures ,TGLSpecificFeatures); + list<SubtargetFeature> TGLFeatures = + !listconcat(ICLFeatures, TGLInheritableFeatures ); + // Atom list<SubtargetFeature> AtomInheritableFeatures = [FeatureX87, FeatureCMPXCHG8B, @@ -707,7 +731,6 @@ def ProcessorFeatures { // Goldmont list<SubtargetFeature> GLMAdditionalFeatures = [FeatureAES, - FeatureMPX, FeatureSHA, FeatureRDSEED, FeatureXSAVE, @@ -786,6 +809,22 @@ def ProcessorFeatures { list<SubtargetFeature> KNMFeatures = !listconcat(KNLFeatures, [FeatureVPOPCNTDQ]); + // Barcelona + list<SubtargetFeature> BarcelonaInheritableFeatures = [FeatureX87, + FeatureCMPXCHG8B, + FeatureSSE4A, + Feature3DNowA, + FeatureFXSR, + FeatureNOPL, + FeatureCMPXCHG16B, + FeatureLZCNT, + FeaturePOPCNT, + FeatureSlowSHLD, + FeatureLAHFSAHF, + FeatureCMOV, + Feature64Bit, + FeatureFastScalarShiftMasks]; + list<SubtargetFeature> BarcelonaFeatures = BarcelonaInheritableFeatures; // Bobcat list<SubtargetFeature> BtVer1InheritableFeatures = [FeatureX87, @@ -1093,6 +1132,8 @@ def : ProcessorModel<"icelake-client", SkylakeServerModel, ProcessorFeatures.ICLFeatures>; def : ProcessorModel<"icelake-server", SkylakeServerModel, ProcessorFeatures.ICXFeatures>; +def : ProcessorModel<"tigerlake", SkylakeServerModel, + ProcessorFeatures.TGLFeatures>; // AMD CPUs. @@ -1129,10 +1170,7 @@ foreach P = ["k8-sse3", "opteron-sse3", "athlon64-sse3"] in { } foreach P = ["amdfam10", "barcelona"] in { - def : Proc<P, [FeatureX87, FeatureCMPXCHG8B, FeatureSSE4A, Feature3DNowA, - FeatureFXSR, FeatureNOPL, FeatureCMPXCHG16B, FeatureLZCNT, - FeaturePOPCNT, FeatureSlowSHLD, FeatureLAHFSAHF, FeatureCMOV, - Feature64Bit, FeatureFastScalarShiftMasks]>; + def : Proc<P, ProcessorFeatures.BarcelonaFeatures>; } // Bobcat |