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-enable-unsafe-fp-math implies -enable-finite-only-fp-math

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28437 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2006-05-23 18:18:46 +00:00
parent 1fd8a4f65d
commit 80235d508e
3 changed files with 17 additions and 9 deletions
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11
include/llvm/Target/TargetOptions.h
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@@ -39,14 +39,15 @@ namespace llvm {
/// this flag is off (the default), the code generator is not allowed to
/// produce results that are "less precise" than IEEE allows. This includes
/// use of X86 instructions like FSIN and FCOS instead of libcalls.
/// UnsafeFPMath implies FiniteOnlyFPMath.
extern bool UnsafeFPMath;
/// FiniteOnlyFPMath - This is enabled when the -enable-finite-only-fp-math
/// flag is specified on the command line. When this flag is off (default),
/// FiniteOnlyFPMath - This returns true when the -enable-finite-only-fp-math
/// option is specified on the command line. If this returns false (default),
/// the code generator is not allowed to assume that FP arithmetic arguments
/// and results are never NaNs or +-Infs. This includes ignoring parity flag
/// (PF) when checking for FP equality.
extern bool FiniteOnlyFPMath;
/// and results are never NaNs or +-Infs.
extern bool FiniteOnlyFPMathOption;
extern bool FiniteOnlyFPMath();
} // End llvm namespace
#endif