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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/110491] Wrong code at -O2 on x86_64-linux-gnu (a recent regression) Date: Tue, 04 Jul 2023 12:16:51 +0000 [thread overview] Message-ID: <bug-110491-4-DhpUE8fgD7@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-110491-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110491 --- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>: https://gcc.gnu.org/g:819285ef10a87d663f8c181c06aa88d1d9f75aed commit r14-2296-g819285ef10a87d663f8c181c06aa88d1d9f75aed Author: Richard Biener <rguenther@suse.de> Date: Tue Jul 4 12:52:27 2023 +0200 tree-optimization/110491 - PHI-OPT and undefs The following makes sure to not make conditional undefs in PHI arguments unconditional by folding cond ? arg1 : arg2. PR tree-optimization/110491 * tree-ssa-phiopt.cc (match_simplify_replacement): Check whether the PHI args are possibly undefined before folding the COND_EXPR. * gcc.dg/torture/pr110491.c: New testcase.
next prev parent reply other threads:[~2023-07-04 12:16 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-06-30 1:38 [Bug c/110491] New: " shaohua.li at inf dot ethz.ch 2023-06-30 2:19 ` [Bug c/110491] " pinskia at gcc dot gnu.org 2023-07-04 10:55 ` rguenth at gcc dot gnu.org 2023-07-04 12:16 ` cvs-commit at gcc dot gnu.org [this message] 2023-07-04 12:17 ` rguenth at gcc dot gnu.org
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