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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 tree-optimization/111694] [13/14 Regression] Wrong behavior for signbit of negative zero when optimizing Date: Mon, 09 Oct 2023 17:10:19 +0000 [thread overview] Message-ID: <bug-111694-4-mvZ7KEKomO@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-111694-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111694 --- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Andrew Macleod <amacleod@gcc.gnu.org>: https://gcc.gnu.org/g:b0892b1fc637fadf14d7016858983bc5776a1e69 commit r14-4520-gb0892b1fc637fadf14d7016858983bc5776a1e69 Author: Andrew MacLeod <amacleod@redhat.com> Date: Mon Oct 9 10:15:07 2023 -0400 Ensure float equivalences include + and - zero. A floating point equivalence may not properly reflect both signs of zero, so be pessimsitic and ensure both signs are included. PR tree-optimization/111694 gcc/ * gimple-range-cache.cc (ranger_cache::fill_block_cache): Adjust equivalence range. * value-relation.cc (adjust_equivalence_range): New. * value-relation.h (adjust_equivalence_range): New prototype. gcc/testsuite/ * gcc.dg/pr111694.c: New.
next prev parent reply other threads:[~2023-10-09 17:10 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-04 17:09 [Bug web/111694] New: " alonzakai at gmail dot com 2023-10-04 18:31 ` [Bug tree-optimization/111694] [13/14 Regression] " amonakov at gcc dot gnu.org 2023-10-04 19:09 ` pinskia at gcc dot gnu.org 2023-10-05 7:37 ` rguenth at gcc dot gnu.org 2023-10-06 17:30 ` amacleod at redhat dot com 2023-10-09 17:10 ` cvs-commit at gcc dot gnu.org [this message] 2023-10-09 17:11 ` amacleod at redhat dot com 2023-10-09 17:18 ` amonakov at gcc dot gnu.org 2023-10-09 17:36 ` amacleod at redhat dot com 2023-10-09 19:37 ` amacleod at redhat dot com 2023-10-11 20:45 ` cvs-commit at gcc dot gnu.org 2023-10-11 20:48 ` amacleod at redhat dot com
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