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From: "uros at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/58779] [4.7/4.8/4.9 Regression] wrong code at -O1 on x86_64-linux-gnu
Date: Tue, 22 Oct 2013 18:36:00 -0000	[thread overview]
Message-ID: <bug-58779-4-TBvjjDcoEw@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-58779-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58779

--- Comment #7 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue Oct 22 18:35:53 2013
New Revision: 203935

URL: http://gcc.gnu.org/viewcvs?rev=203935&root=gcc&view=rev
Log:
    PR target/58779
    * config/i386/i386.c (put_condition_code) <case GTU, case LEU>:
    Remove CCCmode handling.
    <case LTU>: Return 'c' suffix for CCCmode.
    <case GEU>: Return 'nc' suffix for CCCmode.
    (ix86_cc_mode) <case GTU, case LEU>: Do not generate overflow checks.
    * config/i386/i386.md (*sub<mode>3_cconly_overflow): Remove.
    (*sub<mode>3_cc_overflow): Ditto.
    (*subsi3_zext_cc_overflow): Ditto.

testsuite/ChangeLog:

    PR target/58779
    * gcc.target/i386/pr30315.c: Remove MINUSCC, DECCC, MINUSCCONLY
    and MINUSCCZEXT defines. Update scan-assembler dg directive.
    * gcc.dg/torture/pr58779.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr58779.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/pr30315.c


  parent reply	other threads:[~2013-10-22 18:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-18  6:44 [Bug rtl-optimization/58779] New: " su at cs dot ucdavis.edu
2013-10-18  6:53 ` [Bug rtl-optimization/58779] [4.7/4.8/4.9 Regression] " pinskia at gcc dot gnu.org
2013-10-18  8:16 ` rguenth at gcc dot gnu.org
2013-10-20 21:08 ` mikpelinux at gmail dot com
2013-10-21  6:52 ` [Bug target/58779] " pinskia at gcc dot gnu.org
2013-10-22  6:10 ` ubizjak at gmail dot com
2013-10-22  7:08 ` ubizjak at gmail dot com
2013-10-22 18:36 ` uros at gcc dot gnu.org [this message]
2013-10-22 18:38 ` ubizjak at gmail dot com
2013-10-26  6:02 ` uros at gcc dot gnu.org
2013-10-26  6:09 ` uros at gcc dot gnu.org

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