[PATCH] D87528: Enable '#pragma STDC FENV_ACCESS' in frontend cf. D69272 - Work in Progress

[Melanie Blower via Phabricator via cfe-commits]

mibintc updated this revision to Diff 295880.
mibintc added a comment.

I patched my workspace with D88498 <https://reviews.llvm.org/D88498> from Sept 29. I fixed some nits and also enabled FENV_ACCESS when the command line option specifies frounding-math. This corresponds to Microsoft's documentation of their option /fp:strict https://docs.microsoft.com/en-us/cpp/preprocessor/fenv-access?view=vs-2019 "The [/fp:strict] command-line option automatically enables fenv_access."  Also if #pragma to enable fenv_access is seen, RoundingMode is set to Dynamic
I have some questions I'll add them as inline comments


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87528/new/

https://reviews.llvm.org/D87528

Files:
  clang/include/clang/Basic/DiagnosticASTKinds.td
  clang/include/clang/Basic/DiagnosticParseKinds.td
  clang/include/clang/Basic/LangOptions.h
  clang/include/clang/Sema/Sema.h
  clang/lib/AST/ExprConstant.cpp
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/CodeGen/CodeGenModule.h
  clang/lib/Parse/ParsePragma.cpp
  clang/lib/Parse/ParseStmt.cpp
  clang/lib/Sema/SemaAttr.cpp
  clang/lib/Sema/SemaStmt.cpp
  clang/test/CXX/expr/expr.const/p2-0x.cpp
  clang/test/CodeGen/fp-floatcontrol-pragma.cpp
  clang/test/CodeGen/pragma-fenv_access.c
  clang/test/Parser/fp-floatcontrol-syntax.cpp
  clang/test/Parser/pragma-fenv_access.c
  clang/test/Preprocessor/pragma_unknown.c

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