public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/95396] GCC produces incorrect code with -O3 for loops
Date: Fri, 29 May 2020 06:36:09 +0000 [thread overview]
Message-ID: <bug-95396-4-zbi16GtlGe@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-95396-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95396
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Target| |x86_64-*-*
Ever confirmed|0 |1
Last reconfirmed| |2020-05-29
CC| |rguenth at gcc dot gnu.org
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
> ./xgcc -B. t.C -O2 -fopt-info -ftree-vectorize
t.C:11:20: optimized: Inlining int c(int, int)/15 into void test()/16.
t.C:11:37: optimized: loop vectorized using 16 byte vectors
t.C:10:6: optimized: loop with 1 iterations completely unrolled (header
execution count 70866959)
caused/triggered by vectorization.
next prev parent reply other threads:[~2020-05-29 6:36 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 20:44 [Bug tree-optimization/95396] New: " vsevolod.livinskij at frtk dot ru
2020-05-29 6:36 ` rguenth at gcc dot gnu.org [this message]
2020-05-29 7:13 ` [Bug tree-optimization/95396] [8/9/10/11 Regression] GCC produces incorrect code with -O3 for loops since r8-6511-g3ae129323d150621 marxin at gcc dot gnu.org
2020-06-15 3:20 ` babokin at gmail dot com
2020-06-26 12:07 ` rguenth at gcc dot gnu.org
2020-07-06 21:42 ` babokin at gmail dot com
2020-07-07 8:00 ` rguenth at gcc dot gnu.org
2020-07-07 8:20 ` rguenth at gcc dot gnu.org
2020-07-07 8:26 ` rguenth at gcc dot gnu.org
2020-12-08 19:51 ` marxin at gcc dot gnu.org
2020-12-09 9:10 ` rguenth at gcc dot gnu.org
2020-12-09 17:03 ` rsandifo at gcc dot gnu.org
2020-12-09 19:42 ` marxin at gcc dot gnu.org
2020-12-10 9:46 ` rsandifo at gcc dot gnu.org
2020-12-10 12:11 ` [Bug tree-optimization/95396] [8/9/10 " rsandifo at gcc dot gnu.org
2021-04-23 9:21 ` rsandifo at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-95396-4-zbi16GtlGe@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).