public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/52568] suboptimal __builtin_shuffle on cycles with AVX
Date: Thu, 15 Mar 2012 23:54:00 -0000	[thread overview]
Message-ID: <bug-52568-4-EmIKcay2zf@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-52568-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52568

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-15 23:46:37 UTC ---
Author: jakub
Date: Thu Mar 15 23:46:34 2012
New Revision: 185447

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185447
Log:
    PR target/52568
    * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New
    function.
    (ix86_expand_vec_perm_const_1): Use it.

    * gcc.dg/torture/vshuf-4.inc: Add two new tests.
    * gcc.dg/torture/vshuf-8.inc: Likewise.
    * gcc.dg/torture/vshuf-16.inc: Likewise.
    * gcc.dg/torture/vshuf-32.inc: Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/torture/vshuf-16.inc
    trunk/gcc/testsuite/gcc.dg/torture/vshuf-32.inc
    trunk/gcc/testsuite/gcc.dg/torture/vshuf-4.inc
    trunk/gcc/testsuite/gcc.dg/torture/vshuf-8.inc


  parent reply	other threads:[~2012-03-15 23:47 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-12 19:00 [Bug target/52568] New: " marc.glisse at normalesup dot org
2012-03-13  8:36 ` [Bug target/52568] " jakub at gcc dot gnu.org
2012-03-13  8:44 ` rguenth at gcc dot gnu.org
2012-03-15 23:47 ` jakub at gcc dot gnu.org
2012-03-15 23:54 ` jakub at gcc dot gnu.org [this message]
2012-03-16  8:28 ` jakub 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-52568-4-EmIKcay2zf@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).