[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


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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