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| author | Craig Topper <craig.topper@intel.com> | 2018-01-20 18:36:52 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2018-01-20 18:36:52 +0000 |
| commit | 8cdb94901dc7a9c1fcb7732a80883c1f1876e58a (patch) | |
| tree | 0c54a990e1629fc0be8fdff7a04f699fda57feb2 /clang/lib/Basic | |
| parent | 035bf77426056665a17c1024560fbeb8d541cd73 (diff) | |
| download | bcm5719-llvm-8cdb94901dc7a9c1fcb7732a80883c1f1876e58a.tar.gz bcm5719-llvm-8cdb94901dc7a9c1fcb7732a80883c1f1876e58a.zip | |
[X86] Add rdpid command line option and intrinsics.
Summary: This patch adds -mrdpid/-mno-rdpid and the rdpid intrinsic. The corresponding LLVM commit has already been made.
Reviewers: RKSimon, spatel, zvi, AndreiGrischenko
Reviewed By: RKSimon
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D42272
llvm-svn: 323047
Diffstat (limited to 'clang/lib/Basic')
| -rw-r--r-- | clang/lib/Basic/Targets/X86.cpp | 7 | ||||
| -rw-r--r-- | clang/lib/Basic/Targets/X86.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp index ca4a6b97b3a..ddc02322305 100644 --- a/clang/lib/Basic/Targets/X86.cpp +++ b/clang/lib/Basic/Targets/X86.cpp @@ -160,6 +160,7 @@ bool X86TargetInfo::initFeatureMap( setFeatureEnabledImpl(Features, "avx512vnni", true); setFeatureEnabledImpl(Features, "avx512vbmi2", true); setFeatureEnabledImpl(Features, "avx512vpopcntdq", true); + setFeatureEnabledImpl(Features, "rdpid", true); LLVM_FALLTHROUGH; case CK_Cannonlake: setFeatureEnabledImpl(Features, "avx512ifma", true); @@ -784,6 +785,8 @@ bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features, HasPREFETCHWT1 = true; } else if (Feature == "+clzero") { HasCLZERO = true; + } else if (Feature == "+rdpid") { + HasRDPID = true; } X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature) @@ -1123,6 +1126,8 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts, Builder.defineMacro("__PREFETCHWT1__"); if (HasCLZERO) Builder.defineMacro("__CLZERO__"); + if (HasRDPID) + Builder.defineMacro("__RDPID__"); // Each case falls through to the previous one here. switch (SSELevel) { @@ -1253,6 +1258,7 @@ bool X86TargetInfo::isValidFeatureName(StringRef Name) const { .Case("popcnt", true) .Case("prefetchwt1", true) .Case("prfchw", true) + .Case("rdpid", true) .Case("rdrnd", true) .Case("rdseed", true) .Case("rtm", true) @@ -1324,6 +1330,7 @@ bool X86TargetInfo::hasFeature(StringRef Feature) const { .Case("popcnt", HasPOPCNT) .Case("prefetchwt1", HasPREFETCHWT1) .Case("prfchw", HasPRFCHW) + .Case("rdpid", HasRDPID) .Case("rdrnd", HasRDRND) .Case("rdseed", HasRDSEED) .Case("rtm", HasRTM) diff --git a/clang/lib/Basic/Targets/X86.h b/clang/lib/Basic/Targets/X86.h index 290d3db3504..db98619cdb9 100644 --- a/clang/lib/Basic/Targets/X86.h +++ b/clang/lib/Basic/Targets/X86.h @@ -96,6 +96,7 @@ class LLVM_LIBRARY_VISIBILITY X86TargetInfo : public TargetInfo { bool HasCLWB = false; bool HasMOVBE = false; bool HasPREFETCHWT1 = false; + bool HasRDPID = false; /// \brief Enumeration of all of the X86 CPUs supported by Clang. /// |
