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Diffstat (limited to 'clang/lib/CodeGen/BackendUtil.cpp')
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 3f95740..20059d9 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -369,7 +369,9 @@ static void initTargetOptions(llvm::TargetOptions &Options, // Set FP fusion mode. switch (LangOpts.getDefaultFPContractMode()) { case LangOptions::FPC_Off: - Options.AllowFPOpFusion = llvm::FPOpFusion::Strict; + // Preserve any contraction performed by the front-end. (Strict performs + // splitting of the muladd instrinsic in the backend.) + Options.AllowFPOpFusion = llvm::FPOpFusion::Standard; break; case LangOptions::FPC_On: Options.AllowFPOpFusion = llvm::FPOpFusion::Standard; |