diff options
Diffstat (limited to 'lib/Basic/Targets.cpp')
| -rw-r--r-- | lib/Basic/Targets.cpp | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index d9ae003689..4e9c3a57a9 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -532,14 +532,16 @@ public: } virtual void getTargetDefines(const LangOptions &Opts, std::vector<char> &Defines) const; - + virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, + const std::string &Name, + bool Enabled) const; virtual void getDefaultFeatures(const std::string &CPU, - llvm::StringMap<bool> &Features); + llvm::StringMap<bool> &Features) const; virtual void HandleTargetFeatures(const llvm::StringMap<bool> &Features); }; void X86TargetInfo::getDefaultFeatures(const std::string &CPU, - llvm::StringMap<bool> &Features) { + llvm::StringMap<bool> &Features) const { // FIXME: This should not be here. Features["3dnow"] = false; Features["3dnowa"] = false; @@ -572,6 +574,59 @@ void X86TargetInfo::getDefaultFeatures(const std::string &CPU, Features["sse2"] = Features["sse"] = Features["mmx"] = true; } +bool X86TargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features, + const std::string &Name, + bool Enabled) const { + // FIXME: This *really* should not be here. + if (!Features.count(Name) && Name != "sse4") + return false; + + if (Enabled) { + if (Name == "mmx") + Features["mmx"] = true; + else if (Name == "sse") + Features["mmx"] = Features["sse"] = true; + else if (Name == "sse2") + Features["mmx"] = Features["sse"] = Features["sse2"] = true; + else if (Name == "sse3") + Features["mmx"] = Features["sse"] = Features["sse2"] = + Features["sse3"] = true; + else if (Name == "ssse3") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = true; + else if (Name == "sse4") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = true; + else if (Name == "3dnow") + Features["3dnowa"] = true; + else if (Name == "3dnowa") + Features["3dnow"] = Features["3dnowa"] = true; + } else { + if (Name == "mmx") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = false; + else if (Name == "sse") + Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = false; + else if (Name == "sse2") + Features["sse2"] = Features["sse3"] = Features["ssse3"] = + Features["sse41"] = Features["sse42"] = false; + else if (Name == "sse3") + Features["sse3"] = Features["ssse3"] = Features["sse41"] = + Features["sse42"] = false; + else if (Name == "ssse3") + Features["ssse3"] = Features["sse41"] = Features["sse42"] = false; + else if (Name == "sse4") + Features["sse41"] = Features["sse42"] = false; + else if (Name == "3dnow") + Features["3dnow"] = Features["3dnowa"] = false; + else if (Name == "3dnowa") + Features["3dnowa"] = false; + } + + return true; +} + /// HandleTargetOptions - Perform initialization based on the user /// configured set of features. void X86TargetInfo::HandleTargetFeatures(const llvm::StringMap<bool>&Features) { @@ -603,7 +658,6 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts, Define(Defs, "__amd64"); Define(Defs, "__x86_64"); Define(Defs, "__x86_64__"); - Define(Defs, "__SSE3__"); } else { DefineStd(Defs, "i386", Opts); } |