From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-243914-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 18969 invoked by alias); 5 Feb 2008 16:25:17 -0000
Received: (qmail 18128 invoked by uid 48); 5 Feb 2008 16:24:32 -0000
Date: Tue, 05 Feb 2008 16:25:00 -0000
Message-ID: <20080205162432.18127.qmail@sourceware.org>
X-Bugzilla-Reason: CC
References: <bug-23322-10914@http.gcc.gnu.org/bugzilla/>
Subject: [Bug target/23322] [4.1/4.2/4.3 regression] performance regression
In-Reply-To: <bug-23322-10914@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2008-02/txt/msg00568.txt.bz2



------- Comment #18 from hubicka at gcc dot gnu dot org  2008-02-05 16:24 -------
RA still don't split live ranges, but works sanely here:
.L21:   
        faddl   (%ebx,%eax,8)
        addl    $1, %eax
        cmpl    %edx, %eax
        jl      .L21
Honza


-- 

hubicka at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.1/4.2/4.3 regression]    |[4.1/4.2/4.3 regression]
                   |performance regression:     |performance regression
                   |global regalloc doesn't     |
                   |split live ranges           |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23322