optimization/6984

optimization/6984

[amodra]

The following reply was made to PR optimization/6984; it has been noted by GNATS.

From: amodra@gcc.gnu.org
To: gcc-gnats@gcc.gnu.org
Cc:  
Subject: optimization/6984
Date: 17 Sep 2002 03:25:07 -0000

 CVSROOT:	/cvs/gcc
 Module name:	gcc
 Branch: 	gcc-3_2-branch
 Changes by:	amodra@gcc.gnu.org	2002-09-16 20:25:07
 
 Modified files:
 	gcc            : ChangeLog doloop.c loop.h unroll.c 
 
 Log message:
 	Merge from mainline.
 	2002-07-20  Alan Modra  <amodra@bigpond.net.au>
 	PR optimization/7130
 	* loop.h (struct loop_info): Add "preconditioned".
 	* unroll.c (unroll_loop): Set it.
 	* doloop.c (doloop_modify_runtime): Correct count for unrolled loops.
 	
 	2002-06-24  Alan Modra  <amodra@bigpond.net.au>
 	PR optimization/6984
 	* doloop.c (doloop_valid_p): Correct comment.
 	(doloop_modify_runtime <abs_inc != 1>): Simplify.
 	(doloop_modify_runtime <do-while>): Don't emit code when NE.
 
 Patches:
 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_2-branch&r1=1.13152.2.657.2.48&r2=1.13152.2.657.2.49
 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doloop.c.diff?cvsroot=gcc&only_with_tag=gcc-3_2-branch&r1=1.16&r2=1.16.8.1
 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.h.diff?cvsroot=gcc&only_with_tag=gcc-3_2-branch&r1=1.58.6.1&r2=1.58.6.1.4.1
 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/unroll.c.diff?cvsroot=gcc&only_with_tag=gcc-3_2-branch&r1=1.160.2.4.2.1&r2=1.160.2.4.2.2