From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24631 invoked by alias); 16 Feb 2006 02:08:51 -0000 Received: (qmail 24580 invoked by uid 48); 16 Feb 2006 02:08:47 -0000 Date: Thu, 16 Feb 2006 02:08:00 -0000 Message-ID: <20060216020847.24579.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/22563] [3.4/4.0/4.1/4.2 Regression] performance regression for gcc newer than 2.95 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ian at airs dot com" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-02/txt/msg01776.txt.bz2 List-Id: ------- Comment #9 from ian at airs dot com 2006-02-16 02:08 ------- FYI, this code looks OK to me on mainline, entering the loop at .L18: .L29: andl $-16, %edx cmpb $80, %dl jne .L27 subl $1, %ecx je .L28 .L18: movl $86, %edx movl %edx, %eax andl $7, %eax cmpb $6, %al movb $86, b_rec je .L29 .L27: call abort .L28: Still looks kind of sloppy in 4.1, though. I haven't tried to figure out what fixed it on mainline. -- ian at airs dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ian at airs dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22563