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| author | Craig Topper <craig.topper@gmail.com> | 2017-02-09 06:10:14 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-02-09 06:10:14 +0000 |
| commit | 4574226c3fb431865165a574d69fecd6f254d105 (patch) | |
| tree | 1b028ffc087914db815d52f9000559bc6ba6b5b1 /clang/lib/Basic/Targets.cpp | |
| parent | 50f3d1452c2adc16af219879fa1ff2ad8a514af0 (diff) | |
| download | bcm5719-llvm-4574226c3fb431865165a574d69fecd6f254d105.tar.gz bcm5719-llvm-4574226c3fb431865165a574d69fecd6f254d105.zip | |
[X86] Clzero flag addition and inclusion under znver1
1. Adds the command line flag for clzero.
2. Includes the clzero flag under znver1.
3. Defines the macro for clzero.
4. Adds a new file which has the intrinsic definition for clzero instruction.
Patch by Ganesh Gopalasubramanian with some additional tests from me.
Differential revision: https://reviews.llvm.org/D29386
llvm-svn: 294559
Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index bbc3d16493d..a288a35137b 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -2489,6 +2489,7 @@ class X86TargetInfo : public TargetInfo { bool HasXSAVEC = false; bool HasXSAVES = false; bool HasMWAITX = false; + bool HasCLZERO = false; bool HasPKU = false; bool HasCLFLUSHOPT = false; bool HasCLWB = false; @@ -3201,6 +3202,7 @@ bool X86TargetInfo::initFeatureMap( setFeatureEnabledImpl(Features, "bmi", true); setFeatureEnabledImpl(Features, "bmi2", true); setFeatureEnabledImpl(Features, "clflushopt", true); + setFeatureEnabledImpl(Features, "clzero", true); setFeatureEnabledImpl(Features, "cx16", true); setFeatureEnabledImpl(Features, "f16c", true); setFeatureEnabledImpl(Features, "fma", true); @@ -3560,6 +3562,8 @@ bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features, HasCLWB = true; } else if (Feature == "+prefetchwt1") { HasPREFETCHWT1 = true; + } else if (Feature == "+clzero") { + HasCLZERO = true; } X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature) @@ -3887,6 +3891,8 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts, Builder.defineMacro("__SGX__"); if (HasPREFETCHWT1) Builder.defineMacro("__PREFETCHWT1__"); + if (HasCLZERO) + Builder.defineMacro("__CLZERO__"); // Each case falls through to the previous one here. switch (SSELevel) { @@ -3973,6 +3979,7 @@ bool X86TargetInfo::hasFeature(StringRef Feature) const { .Case("bmi2", HasBMI2) .Case("clflushopt", HasCLFLUSHOPT) .Case("clwb", HasCLWB) + .Case("clzero", HasCLZERO) .Case("cx16", HasCX16) .Case("f16c", HasF16C) .Case("fma", HasFMA) |
