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| author | Tim Northover <tnorthover@apple.com> | 2013-06-13 15:02:46 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2013-06-13 15:02:46 +0000 |
| commit | 92509c1c0c8c9b3ad17aa265c2426a69ff0d0997 (patch) | |
| tree | e956930deaf3d05e930b6ad0b3afbcfa1459956e /clang/lib/Driver/ToolChain.cpp | |
| parent | 54e9bd2239d65fc520751c6e9699c69b67976eaf (diff) | |
| download | bcm5719-llvm-92509c1c0c8c9b3ad17aa265c2426a69ff0d0997.tar.gz bcm5719-llvm-92509c1c0c8c9b3ad17aa265c2426a69ff0d0997.zip | |
Teach clang about the armv4/armv4t distinction
When choosing a default CPU, clang used to pick ARM7TDMI (which has Thumb) even
when the more restrictive armv4 triple was specified. This should fix that.
Patch by Jeroen Hofstee.
llvm-svn: 183905
Diffstat (limited to 'clang/lib/Driver/ToolChain.cpp')
| -rw-r--r-- | clang/lib/Driver/ToolChain.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp index 71f53933e2a..824db2ae217 100644 --- a/clang/lib/Driver/ToolChain.cpp +++ b/clang/lib/Driver/ToolChain.cpp @@ -177,7 +177,8 @@ static const char *getARMTargetCPU(const ArgList &Args, .Cases("armv2", "armv2a","arm2") .Case("armv3", "arm6") .Case("armv3m", "arm7m") - .Cases("armv4", "armv4t", "arm7tdmi") + .Case("armv4", "strongarm") + .Case("armv4t", "arm7tdmi") .Cases("armv5", "armv5t", "arm10tdmi") .Cases("armv5e", "armv5te", "arm1026ejs") .Case("armv5tej", "arm926ej-s") @@ -196,7 +197,8 @@ static const char *getARMTargetCPU(const ArgList &Args, .Case("ep9312", "ep9312") .Case("iwmmxt", "iwmmxt") .Case("xscale", "xscale") - // If all else failed, return the most base CPU LLVM supports. + // If all else failed, return the most base CPU with thumb interworking + // supported by LLVM. .Default("arm7tdmi"); } @@ -207,6 +209,7 @@ static const char *getARMTargetCPU(const ArgList &Args, // FIXME: tblgen this, or kill it! static const char *getLLVMArchSuffixForARM(StringRef CPU) { return llvm::StringSwitch<const char *>(CPU) + .Case("strongarm", "v4") .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t") .Cases("arm720t", "arm9", "arm9tdmi", "v4t") .Cases("arm920", "arm920t", "arm922t", "v4t") |
