diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Basic/Targets.cpp | 31 | ||||
| -rw-r--r-- | lib/Driver/Tools.cpp | 6 |
2 files changed, 37 insertions, 0 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index 27984dfbf4..4d0a833d23 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -711,6 +711,12 @@ public: virtual void getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const; + virtual void getDefaultFeatures(llvm::StringMap<bool> &Features) const; + + virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const; + virtual bool hasFeature(StringRef Feature) const; virtual void getGCCRegNames(const char * const *&Names, @@ -907,7 +913,32 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts, if (defs & ArchDefinePwr6) { Builder.defineMacro("_ARCH_PWR5"); Builder.defineMacro("_ARCH_PWR6"); + } +} + +void PPCTargetInfo::getDefaultFeatures(llvm::StringMap<bool> &Features) const { + Features["altivec"] = llvm::StringSwitch<bool>(CPU) + .Case("7400", true) + .Case("g4", true) + .Case("7450", true) + .Case("g4+", true) + .Case("970", true) + .Case("g5", true) + .Case("pwr6", true) + .Case("pwr7", true) + .Case("ppc64", true) + .Default(false); +} + +bool PPCTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const { + if (Name == "altivec") { + Features[Name] = Enabled; + return true; } + + return false; } bool PPCTargetInfo::hasFeature(StringRef Feature) const { diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index cb7cc2381d..844367ee44 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -1084,6 +1084,12 @@ void Clang::AddPPCTargetArgs(const ArgList &Args, CmdArgs.push_back("-target-cpu"); CmdArgs.push_back(Args.MakeArgString(TargetCPUName.c_str())); } + + // Allow override of the Altivec feature. + if (Args.hasFlag(options::OPT_fno_altivec, options::OPT_faltivec, false)) { + CmdArgs.push_back("-target-feature"); + CmdArgs.push_back("-altivec"); + } } void Clang::AddSparcTargetArgs(const ArgList &Args, |