diff options
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index d635d38dd03..bb56c659e89 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1386,6 +1386,28 @@ static const char *getX86TargetCPU(const ArgList &Args, return Args.MakeArgString(CPU); } + if (const Arg *A = Args.getLastArg(options::OPT__SLASH_arch)) { + // Mapping built by referring to X86TargetInfo::getDefaultFeatures(). + StringRef Arch = A->getValue(); + const char *CPU; + if (Triple.getArch() == llvm::Triple::x86) { + CPU = llvm::StringSwitch<const char *>(Arch) + .Case("IA32", "i386") + .Case("SSE", "pentium3") + .Case("SSE2", "pentium4") + .Case("AVX", "sandybridge") + .Case("AVX2", "haswell") + .Default(nullptr); + } else { + CPU = llvm::StringSwitch<const char *>(Arch) + .Case("AVX", "sandybridge") + .Case("AVX2", "haswell") + .Default(nullptr); + } + if (CPU) + return CPU; + } + // Select the default CPU if none was given (or detection failed). if (Triple.getArch() != llvm::Triple::x86_64 && |
