[Bug tree-optimization/123606] 5-8% slowdown of mcf on x86 caused by r16-6679-g3ebe697f32197e (was sped up by r16-5258-g1d8e2d51e5c5cb)

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Jan 16 07:37:50 GMT 2026


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123606

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

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

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
It's likely that having a latch vs. not might trigger some of the many weird
conditions we have on threading around loops.


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