[LLVMbugs] [Bug 17188] x86 FMA not generated unless fast-math is used?
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Tue Sep 10 21:50:53 PDT 2013
http://llvm.org/bugs/show_bug.cgi?id=17188
Anton Korobeynikov <asl at math.spbu.ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |asl at math.spbu.ru
Resolution|--- |INVALID
--- Comment #4 from Anton Korobeynikov <asl at math.spbu.ru> ---
FMA generation can potentially provide different results compared to plain
mul+add due to excess precision. So, this applied to fast-math mode only
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