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From: "malat at debian dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/106322] tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working)
Date: Fri, 05 Aug 2022 13:14:31 +0000 [thread overview]
Message-ID: <bug-106322-4-gY7qqFvVJd@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-106322-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322
--- Comment #15 from Mathieu Malaterre <malat at debian dot org> ---
(In reply to Mathieu Malaterre from comment #11)
> (In reply to Uroš Bizjak from comment #10)
> > The reason the test fails with gcc-12 is that gcc-12 enabled
> > auto-vectorisation for -O2.
>
> I can make the symptoms go away by doing: `-O2 -fno-tree-vectorize`. Since
> this affects also arm5 and powerpc, it seems the bug is somewhere in the
> shared 32bits code (bug does not affects 64bits arch for some reason).
The above is incorrect, since the symptoms are also going away on mips64el and
ppc64.
next prev parent reply other threads:[~2022-08-05 13:14 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-16 9:48 [Bug c++/106322] New: i386: Wrong code at O2 level (O0 / O1 are working) malat at debian dot org
2022-07-16 9:55 ` [Bug c++/106322] " malat at debian dot org
2022-07-16 10:00 ` malat at debian dot org
2022-07-16 10:00 ` malat at debian dot org
2022-07-16 10:02 ` malat at debian dot org
2022-07-16 10:02 ` malat at debian dot org
2022-07-16 10:07 ` malat at debian dot org
2022-07-16 10:15 ` malat at debian dot org
2022-07-17 20:20 ` [Bug target/106322] " pinskia at gcc dot gnu.org
2022-07-18 8:48 ` marxin at gcc dot gnu.org
2022-07-18 14:40 ` malat at debian dot org
2022-07-19 7:58 ` ubizjak at gmail dot com
2022-08-03 8:41 ` malat at debian dot org
2022-08-03 12:31 ` [Bug tree-optimization/106322] 32bits / tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working) malat at debian dot org
2022-08-03 12:32 ` malat at debian dot org
2022-08-03 12:33 ` malat at debian dot org
2022-08-05 13:14 ` malat at debian dot org [this message]
2022-08-08 7:12 ` [Bug tree-optimization/106322] " malat at debian dot org
2022-08-08 7:20 ` malat at debian dot org
2022-08-08 10:00 ` malat at debian dot org
2022-08-09 7:50 ` malat at debian dot org
2022-08-09 12:36 ` marxin at gcc dot gnu.org
2022-08-09 12:58 ` malat at debian dot org
2022-08-09 13:00 ` ubizjak at gmail dot com
2022-08-09 13:03 ` malat at debian dot org
2022-08-09 13:04 ` marxin at gcc dot gnu.org
2022-08-09 13:05 ` malat at debian dot org
2022-08-09 13:11 ` [Bug tree-optimization/106322] [12/13 Regression] tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working) since r12-2404-ga1d27560770818c5 marxin at gcc dot gnu.org
2022-08-09 13:12 ` marxin at gcc dot gnu.org
2022-08-09 13:26 ` linkw at gcc dot gnu.org
2022-08-09 13:29 ` marxin at gcc dot gnu.org
2022-08-09 13:30 ` malat at debian dot org
2022-08-09 13:34 ` malat at debian dot org
2022-08-09 13:40 ` linkw at gcc dot gnu.org
2022-08-09 13:48 ` rguenth at gcc dot gnu.org
2022-08-09 13:53 ` malat at debian dot org
2022-08-09 13:56 ` malat at debian dot org
2022-08-09 14:01 ` malat at debian dot org
2022-08-09 15:28 ` pinskia at gcc dot gnu.org
2022-08-10 5:25 ` linkw at gcc dot gnu.org
2022-08-10 5:34 ` linkw at gcc dot gnu.org
2022-08-10 6:03 ` pinskia at gcc dot gnu.org
2022-08-10 6:24 ` linkw at gcc dot gnu.org
2022-08-10 9:47 ` linkw at gcc dot gnu.org
2022-08-10 12:32 ` rguenth at gcc dot gnu.org
2022-08-10 12:36 ` rguenth at gcc dot gnu.org
2022-08-11 1:18 ` linkw at gcc dot gnu.org
2022-08-15 6:51 ` linkw at gcc dot gnu.org
2022-08-16 5:50 ` cvs-commit at gcc dot gnu.org
2022-08-24 2:31 ` [Bug tree-optimization/106322] [12 " cvs-commit at gcc dot gnu.org
2022-08-24 2:53 ` linkw at gcc dot gnu.org
2022-08-24 6:51 ` rguenth at gcc dot gnu.org
2022-09-27 14:14 ` malat at debian dot org
2022-09-27 14:18 ` malat at debian dot org
2022-09-28 6:11 ` malat at debian dot org
2022-09-28 6:26 ` linkw at gcc dot gnu.org
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