diff options
Diffstat (limited to 'clang/lib/Basic')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 16c678e9588..e496a1f6cd7 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -2215,6 +2215,7 @@ public: Names = AddlRegNames; NumNames = llvm::array_lengthof(AddlRegNames); } + bool validateCpuSupports(StringRef Name) const override; bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &info) const override; @@ -3338,6 +3339,33 @@ bool X86TargetInfo::hasFeature(StringRef Feature) const { .Default(false); } +// We can't use a generic validation scheme for the features accepted here +// versus subtarget features accepted in the target attribute because the +// bitfield structure that's initialized in the runtime only supports the +// below currently rather than the full range of subtarget features. (See +// X86TargetInfo::hasFeature for a somewhat comprehensive list). +bool X86TargetInfo::validateCpuSupports(StringRef FeatureStr) const { + return llvm::StringSwitch<bool>(FeatureStr) + .Case("cmov", true) + .Case("mmx", true) + .Case("popcnt", true) + .Case("sse", true) + .Case("sse2", true) + .Case("sse3", true) + .Case("sse4.1", true) + .Case("sse4.2", true) + .Case("avx", true) + .Case("avx2", true) + .Case("sse4a", true) + .Case("fma4", true) + .Case("xop", true) + .Case("fma", true) + .Case("avx512f", true) + .Case("bmi", true) + .Case("bmi2", true) + .Default(false); +} + bool X86TargetInfo::validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &Info) const { |
