[PATCH] D62731: [RFC] Add support for options -frounding-math, -fp-model=, and -fp-exception-behavior=, : Specify floating point behavior

[Melanie Blower via Phabricator via cfe-commits]

mibintc updated this revision to Diff 223090.
mibintc added a comment.

In the previous review, @rjmccall asked me to redo the existing floating point option documentation before submitting this patch.  I got the floating point documentation update committed, and I've worked on this patch more to get the floating point "render options" checking implemented.  This patch needs more test cases, and there might be a bug or 2 in the "render options" checking.   I wanted to show you this work especially to get your reaction to the changes to the floating point options

This patch adds support for frounding-math and ftrapping-math and new options fp-model= and fp-exception-behavior=; fp-model is an "umbrella" option.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62731/new/

https://reviews.llvm.org/D62731

Files:
  clang/docs/UsersManual.rst
  clang/include/clang/Basic/CodeGenOptions.def
  clang/include/clang/Basic/LangOptions.h
  clang/include/clang/Driver/Options.td
  clang/lib/CodeGen/BackendUtil.cpp
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/lib/CodeGen/CodeGenFunction.h
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGen/fpconstrained.c
  clang/test/Driver/clang_f_opts.c
  clang/test/Driver/fast-math.c
  llvm/include/llvm/Target/TargetOptions.h

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