finally added support for floating point exception handling on MacOS X. The issue is that OS X uses the SSE unit for all FP math by default, not the x87 FP unit, so one has to use _MM_SET_EXCEPTION_MASK.
finally added support for floating point exception handling on MacOS X.
The issue is that OS X uses the SSE unit for all FP math by default,
not the x87 FP unit, so one has to use _MM_SET_EXCEPTION_MASK.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@38602 27541ba8-7e3a-0410-8455-c3a389f83636

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