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6 Commits

Author SHA1 Message Date
Michael J. Spencer a0d5eb3a27 Add support for __GCC_HAVE_SYNC_COMPARE_AND_SWAP_{1,2,4,8} on x86. 
This fixes std::thread with libstdc++.

llvm-svn: 178816
 2013-04-04 23:53:43 +00:00
Bob Wilson 6a039161d7 Define __FINITE_MATH_ONLY__ based on -ffast-math and -ffinite-math-only. 
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
 2012-07-19 03:52:53 +00:00
Aaron Ballman a97fc66ef3 Updated the test so that it checks for ms-compatibility in addition to ms-extensions. 
llvm-svn: 152516
 2012-03-10 22:52:10 +00:00
Aaron Ballman b4489162b6 No longer defining GNUC mode when compiling for Microsoft compatibility. This allows people's cross-platform compiler-specific macros to work properly. 
llvm-svn: 152512
 2012-03-10 22:21:14 +00:00
Chandler Carruth 3a5ff5cbd2 Teach the frontend to provide the builtin preprocessor defines for 
-ffast-math.

llvm-svn: 147440
 2012-01-03 02:46:46 +00:00
Michael J. Spencer cac9df3bf6 Add test for Windows predefined macros. 
llvm-svn: 117000
 2010-10-21 05:23:48 +00:00