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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-05-08 12:09:45 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-05-08 12:09:45 +0000 |
| commit | 3511348dbbcccbebe64d77488cc4d3689a2bdce9 (patch) | |
| tree | ee0eec248d965f9512536a78cee625824dc7b5cc /clang/lib/Basic/Targets.cpp | |
| parent | f5ca255d18359bb9fc3c2ddd54b0ed2ee2bdc0a6 (diff) | |
| download | bcm5719-llvm-3511348dbbcccbebe64d77488cc4d3689a2bdce9.tar.gz bcm5719-llvm-3511348dbbcccbebe64d77488cc4d3689a2bdce9.zip | |
[X86][LWP] Add clang support for LWP instructions.
This patch adds support for the the LightWeight Profiling (LWP) instructions which are available on all AMD Bulldozer class CPUs (bdver1 to bdver4).
Differential Revision: https://reviews.llvm.org/D32770
llvm-svn: 302418
Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 16aa82f1385..33eb0b05ddc 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -2591,6 +2591,7 @@ class X86TargetInfo : public TargetInfo { bool HasRDSEED = false; bool HasADX = false; bool HasTBM = false; + bool HasLWP = false; bool HasFMA = false; bool HasF16C = false; bool HasAVX512CD = false; @@ -3363,6 +3364,7 @@ bool X86TargetInfo::initFeatureMap( case CK_BDVER1: // xop implies avx, sse4a and fma4. setFeatureEnabledImpl(Features, "xop", true); + setFeatureEnabledImpl(Features, "lwp", true); setFeatureEnabledImpl(Features, "lzcnt", true); setFeatureEnabledImpl(Features, "aes", true); setFeatureEnabledImpl(Features, "pclmul", true); @@ -3634,6 +3636,8 @@ bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features, HasADX = true; } else if (Feature == "+tbm") { HasTBM = true; + } else if (Feature == "+lwp") { + HasLWP = true; } else if (Feature == "+fma") { HasFMA = true; } else if (Feature == "+f16c") { @@ -3949,6 +3953,9 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts, if (HasTBM) Builder.defineMacro("__TBM__"); + if (HasLWP) + Builder.defineMacro("__LWP__"); + if (HasMWAITX) Builder.defineMacro("__MWAITX__"); @@ -4132,6 +4139,7 @@ bool X86TargetInfo::hasFeature(StringRef Feature) const { .Case("sse4.2", SSELevel >= SSE42) .Case("sse4a", XOPLevel >= SSE4A) .Case("tbm", HasTBM) + .Case("lwp", HasLWP) .Case("x86", true) .Case("x86_32", getTriple().getArch() == llvm::Triple::x86) .Case("x86_64", getTriple().getArch() == llvm::Triple::x86_64) |
