diff options
Diffstat (limited to 'lib/Driver')
| -rw-r--r-- | lib/Driver/Tools.cpp | 71 | ||||
| -rw-r--r-- | lib/Driver/Tools.h | 1 |
2 files changed, 72 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 9a157efce7..e84c72fe1c 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -902,6 +902,72 @@ void Clang::AddMIPSTargetArgs(const ArgList &Args, } } +/// getPPCTargetCPU - Get the (LLVM) name of the PowerPC cpu we are targeting. +static std::string getPPCTargetCPU(const ArgList &Args) { + if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { + StringRef CPUName = A->getValue(Args); + + if (CPUName == "native") { + std::string CPU = llvm::sys::getHostCPUName(); + if (!CPU.empty() && CPU != "generic") + return CPU; + else + return ""; + } + + return llvm::StringSwitch<const char *>(CPUName) + .Case("common", "generic") + .Case("440", "440") + .Case("440fp", "440") + .Case("450", "450") + .Case("601", "601") + .Case("602", "602") + .Case("603", "603") + .Case("603e", "603e") + .Case("603ev", "603ev") + .Case("604", "604") + .Case("604e", "604e") + .Case("620", "620") + .Case("G3", "g3") + .Case("7400", "7400") + .Case("G4", "g4") + .Case("7450", "7450") + .Case("G4+", "g4+") + .Case("750", "750") + .Case("970", "970") + .Case("G5", "g5") + .Case("a2", "a2") + .Case("power6", "pwr6") + .Case("power7", "pwr7") + .Case("powerpc", "ppc") + .Case("powerpc64", "ppc64") + .Default(""); + } + + return ""; +} + +void Clang::AddPPCTargetArgs(const ArgList &Args, + ArgStringList &CmdArgs) const { + std::string TargetCPUName = getPPCTargetCPU(Args); + + // LLVM may default to generating code for the native CPU, + // but, like gcc, we default to a more generic option for + // each architecture. (except on Darwin) + llvm::Triple Triple = getToolChain().getTriple(); + if (TargetCPUName.empty() && !Triple.isOSDarwin()) { + if (Triple.getArch() == llvm::Triple::ppc64) + TargetCPUName = "ppc64"; + else + TargetCPUName = "ppc"; + } + + if (!TargetCPUName.empty()) { + CmdArgs.push_back("-target-cpu"); + CmdArgs.push_back(Args.MakeArgString(TargetCPUName.c_str())); + } +} + void Clang::AddSparcTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const { const Driver &D = getToolChain().getDriver(); @@ -1778,6 +1844,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, AddMIPSTargetArgs(Args, CmdArgs); break; + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + AddPPCTargetArgs(Args, CmdArgs); + break; + case llvm::Triple::sparc: AddSparcTargetArgs(Args, CmdArgs); break; diff --git a/lib/Driver/Tools.h b/lib/Driver/Tools.h index 651a8f2963..aa15f3551c 100644 --- a/lib/Driver/Tools.h +++ b/lib/Driver/Tools.h @@ -39,6 +39,7 @@ namespace tools { void AddARMTargetArgs(const ArgList &Args, ArgStringList &CmdArgs, bool KernelOrKext) const; void AddMIPSTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const; + void AddPPCTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const; void AddSparcTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const; void AddX86TargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const; void AddHexagonTargetArgs (const ArgList &Args, ArgStringList &CmdArgs) const; |