diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.cpp | 3 | ||||
| -rw-r--r-- | clang/lib/Driver/ToolChains/Clang.cpp | 3 | ||||
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index f9155b2ba32..9dbd7cc3fcb 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -103,6 +103,9 @@ CodeGenFunction::CodeGenFunction(CodeGenModule &cgm, bool suppressNewContext) if (CGM.getCodeGenOpts().ReciprocalMath) { FMF.setAllowReciprocal(); } + if (CGM.getCodeGenOpts().Reassociate) { + FMF.setAllowReassoc(); + } Builder.setFastMathFlags(FMF); } diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index 706ac5bee29..0a89ff96d3c 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -2170,6 +2170,9 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, if (!SignedZeros) CmdArgs.push_back("-fno-signed-zeros"); + if (AssociativeMath && !SignedZeros && !TrappingMath) + CmdArgs.push_back("-mreassociate"); + if (ReciprocalMath) CmdArgs.push_back("-freciprocal-math"); diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 9fabcdf05a8..2e8a737de4e 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -639,6 +639,7 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, Args.hasArg(OPT_cl_no_signed_zeros) || Args.hasArg(OPT_cl_unsafe_math_optimizations) || Args.hasArg(OPT_cl_fast_relaxed_math)); + Opts.Reassociate = Args.hasArg(OPT_mreassociate); Opts.FlushDenorm = Args.hasArg(OPT_cl_denorms_are_zero); Opts.CorrectlyRoundedDivSqrt = Args.hasArg(OPT_cl_fp32_correctly_rounded_divide_sqrt); |
