Tweak x86 -mcpu defaults.
- Default to yonah on Darwin (to get SSE3).
- Default to Pentium4 (32-bit) and x86-64 (64-bit) on
non-Darwin. Welcome to the 21st century.
llvm-svn: 71069
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index a52498d..ad4db49 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -341,6 +341,11 @@
if (getToolChain().getArchName() == "x86_64")
CmdArgs.push_back("--mcpu=core2");
else if (getToolChain().getArchName() == "i386")
+ CmdArgs.push_back("--mcpu=yonah");
+ } else {
+ if (getToolChain().getArchName() == "x86_64")
+ CmdArgs.push_back("--mcpu=x86-64");
+ else if (getToolChain().getArchName() == "i386")
CmdArgs.push_back("--mcpu=pentium4");
}
}