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| author | Bernard Ogden <bogden@arm.com> | 2013-10-29 09:47:51 +0000 |
|---|---|---|
| committer | Bernard Ogden <bogden@arm.com> | 2013-10-29 09:47:51 +0000 |
| commit | 18b5701a6853f6b4a5b3a05ba5c79105a805b61b (patch) | |
| tree | c574929b1a37e96e04213e2977c478c65f0b0761 /clang/lib/Driver/Tools.cpp | |
| parent | ee87e85505bb2b9b5057187785e82715ecbf71f2 (diff) | |
| download | bcm5719-llvm-18b5701a6853f6b4a5b3a05ba5c79105a805b61b.tar.gz bcm5719-llvm-18b5701a6853f6b4a5b3a05ba5c79105a805b61b.zip | |
ARM: Add -m[no-]crc to dis/enable CRC subtargetfeature from clang
Allow users to disable or enable CRC subtarget feature.
Differential Revision: http://llvm-reviews.chandlerc.com/D2037
llvm-svn: 193600
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 397f641f1b6..ffaac21b4ed 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -773,6 +773,15 @@ static void getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple, // implementation, although the same isn't true of VFP or VFP3. if (FloatABI == "soft") Features.push_back("-neon"); + + // En/disable crc + if (Arg *A = Args.getLastArg(options::OPT_mcrc, + options::OPT_mnocrc)) { + if (A->getOption().matches(options::OPT_mcrc)) + Features.push_back("+crc"); + else + Features.push_back("-crc"); + } } void Clang::AddARMTargetArgs(const ArgList &Args, |
