diff options
Diffstat (limited to 'clang/lib/Frontend/CompilerInstance.cpp')
| -rw-r--r-- | clang/lib/Frontend/CompilerInstance.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp index 9dc9c42..4613ed8 100644 --- a/clang/lib/Frontend/CompilerInstance.cpp +++ b/clang/lib/Frontend/CompilerInstance.cpp @@ -933,6 +933,19 @@ bool CompilerInstance::ExecuteAction(FrontendAction &Act) { setAuxTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), TO)); } + if (!getTarget().hasStrictFP() && !getLangOpts().ExpStrictFP) { + if (getLangOpts().getFPRoundingMode() != + llvm::RoundingMode::NearestTiesToEven) { + getDiagnostics().Report(diag::warn_fe_backend_unsupported_fp_rounding); + getLangOpts().setFPRoundingMode(llvm::RoundingMode::NearestTiesToEven); + } + if (getLangOpts().getFPExceptionMode() != LangOptions::FPE_Ignore) { + getDiagnostics().Report(diag::warn_fe_backend_unsupported_fp_exceptions); + getLangOpts().setFPExceptionMode(LangOptions::FPE_Ignore); + } + // FIXME: can we disable FEnvAccess? + } + // Inform the target of the language options. // // FIXME: We shouldn't need to do this, the target should be immutable once |