public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "belyshev at depni dot sinp dot msu dot ru" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/23094] New: store ccp misses an optimization
Date: Wed, 27 Jul 2005 15:53:00 -0000	[thread overview]
Message-ID: <20050727155151.23094.belyshev@depni.sinp.msu.ru> (raw)

// This function can be optimized to just *p = *q = 1; at tree level:

void foo (int *p, int *q)
{
  *p = 1;
  *q = 1;
  if (*p != 1)
    link_error ();
}

-- 
           Summary: store ccp misses an optimization
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: belyshev at depni dot sinp dot msu dot ru
                CC: dnovillo at gcc dot gnu dot org,gcc-bugs at gcc dot gnu
                    dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23094


             reply	other threads:[~2005-07-27 15:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-27 15:53 belyshev at depni dot sinp dot msu dot ru [this message]
2005-07-27 15:57 ` [Bug tree-optimization/23094] " pinskia at gcc dot gnu dot org
2005-07-27 16:05 ` dberlin at gcc dot gnu dot org
2005-08-13 10:30 ` steven at gcc dot gnu dot org
2005-08-15 14:50 ` dnovillo at gcc dot gnu dot org
2005-08-18 13:55 ` pinskia at gcc dot gnu dot org
2005-08-18 15:26 ` pinskia 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=20050727155151.23094.belyshev@depni.sinp.msu.ru \
    --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).