nicolas/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Define __FINITE_MATH_ONLY__ based on -ffast-math and -ffinite-math-only.

Browse Source 
This macro was being unconditionally set to zero, preceded by a FIXME comment.
This fixes <rdar://problem/11845441>.  Patch by Michael Gottesman!

llvm-svn: 160491
This commit is contained in:
Bob Wilson
2012-07-19 03:52:53 +00:00
parent 24a1047c8c
commit 6a039161d7
6 changed files with 27 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
clang/lib/Frontend/InitPreprocessor.cpp
View File

@@ -527,9 +527,10 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
if (const char *Prefix = TI.getUserLabelPrefix())
Builder.defineMacro("__USER_LABEL_PREFIX__", Prefix);
// Build configuration options. FIXME: these should be controlled by
// command line options or something.
Builder.defineMacro("__FINITE_MATH_ONLY__", "0");
if (LangOpts.FastMath || LangOpts.FiniteMathOnly)
Builder.defineMacro("__FINITE_MATH_ONLY__", "1");
else
Builder.defineMacro("__FINITE_MATH_ONLY__", "0");
if (LangOpts.GNUInline)
Builder.defineMacro("__GNUC_GNU_INLINE__");