public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "jakub at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/38751] [4.2/4.3 regression] odd performance regression with -Os Date: Thu, 15 Jan 2009 13:57:00 -0000 [thread overview] Message-ID: <20090115135704.4290.qmail@sourceware.org> (raw) In-Reply-To: <bug-38751-511@http.gcc.gnu.org/bugzilla/> ------- Comment #3 from jakub at gcc dot gnu dot org 2009-01-15 13:57 ------- Fixed on the trunk: -O2: movzbl %dil, %edi movzwl -2(%rsi,%rdi,2), %eax ret -Os: movzbl %dil, %edi movw -2(%rsi,%rdi,2), %ax ret -- jakub at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[4.2/4.3/4.4 regression] odd|[4.2/4.3 regression] odd |performance regression with |performance regression with |-Os |-Os http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38751
next prev parent reply other threads:[~2009-01-15 13:57 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-01-07 10:04 [Bug middle-end/38751] New: Odd " aph at gcc dot gnu dot org 2009-01-07 10:11 ` [Bug middle-end/38751] [4.2/4.3/4.4] odd " ebotcazou at gcc dot gnu dot org 2009-01-07 10:53 ` [Bug middle-end/38751] [4.2/4.3/4.4 regression] " rguenth at gcc dot gnu dot org 2009-01-15 1:13 ` pinskia at gcc dot gnu dot org 2009-01-15 13:57 ` jakub at gcc dot gnu dot org [this message] 2009-01-15 16:16 ` [Bug middle-end/38751] [4.2/4.3 " rguenth at gcc dot gnu dot org 2009-03-31 21:07 ` [Bug middle-end/38751] [4.3 " jsm28 at gcc dot gnu dot org 2009-04-22 15:20 ` rguenth at gcc dot gnu dot org 2009-06-25 12:39 ` [Bug middle-end/38751] [4.3 Regression] " rguenth at gcc dot gnu dot org 2009-06-25 12:39 ` rguenth at gcc dot gnu dot 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=20090115135704.4290.qmail@sourceware.org \ --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: linkBe 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).