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

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Dec 4 13:01:00 GMT 2015


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

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|regression                  |tree-optimization
   Target Milestone|---                         |6.0
            Summary|Performance regression      |[6 Regression] Performance
                   |related to ssa patch /      |regression related to ssa
                   |ifcvt                       |patch / ifcvt

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
First of all as the changes are about out-of-SSA / coalescing a before/after
-fdump-rtl-expand-details dump would be a good start.


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