[Bug tree-optimization/51017] [12/13/14/15 Regression] GCC performance regression (vs. 4.4/4.5), PRE/LIM increase register pressure too much

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Feb 11 14:01:46 GMT 2025


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51017

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
   Target Milestone|12.5                        |7.5
             Status|ASSIGNED                    |RESOLVED

--- Comment #36 from Richard Biener <rguenth at gcc dot gnu.org> ---
For me GCC 15 is slightly faster than GCC 4.2.4, I can reproduce a slowdown
with GCC 4.8.5 but even GCC 7 seems to have recovered.

Closing as fixed.


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