[Bug target/56309] -O3 optimizer generates conditional moves instead of compare and branch resulting in almost 2x slower code

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Feb 13 20:26:00 GMT 2013


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56309

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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          Component|middle-end                  |target

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-13 20:25:58 UTC ---
Which target is this on?  On some (most non x86 targets) conditional moves are
faster than compare and branch.



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