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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-12-28 15:47:06 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-12-28 15:47:06 +0000 |
| commit | cf5014771d0e33c984b4b6946d6b0f181c3108e5 (patch) | |
| tree | c77bf464a54148c1345706d8c571aaf22d78a682 /clang/lib/Frontend/InitPreprocessor.cpp | |
| parent | e5f554ac481492d15712cf9e0b2ea48daa43d768 (diff) | |
| download | bcm5719-llvm-cf5014771d0e33c984b4b6946d6b0f181c3108e5.tar.gz bcm5719-llvm-cf5014771d0e33c984b4b6946d6b0f181c3108e5.zip | |
Add a target hook for FLT_EVAL_METHOD and use it to set the value on x86 with sse disabled.
x87 math evaluates everything with 80 bits precision, so we have to set FLT_EVAL_METHOD
to "2".
llvm-svn: 147311
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index c67eba40b59..f601f3d73ab 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -513,7 +513,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI, } // Macros to control C99 numerics and <float.h> - Builder.defineMacro("__FLT_EVAL_METHOD__", "0"); + Builder.defineMacro("__FLT_EVAL_METHOD__", Twine(TI.getFloatEvalMethod())); Builder.defineMacro("__FLT_RADIX__", "2"); int Dig = PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36); Builder.defineMacro("__DECIMAL_DIG__", Twine(Dig)); |
