[Bug tree-optimization/103536] Suboptimal codegen for && and || combination.
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Dec 6 08:18:27 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103536
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Version|unknown |12.0
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
Last reconfirmed| |2021-12-06
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
In principle the ifcombine pass might be able to do this since it combines CFG
and IL via match.pd. If threading makes a mess out of this earlier that's of
course a problem. Maybe we need to move ifcombine early.
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