[Bug tree-optimization/68695] [6 Regression] Performance regression related to ssa patch / ifcvt

segher at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Dec 4 13:46:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68695

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |segher at gcc dot gnu.org

--- Comment #4 from Segher Boessenkool <segher at gcc dot gnu.org> ---
RA assigns registers so that one of the two moves under the if
becomes a nop, and then bb-reorder duplicates the code.


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