------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-05-06
20:24 -------
Subject: Bug 21254
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: [EMAIL PROTECTED] 2005-05-06 20:24:01
Modified files:
gcc : ChangeLog loop-iv.c loop-unroll.c
Log message:
PR rtl-optimization/21254
* loop-iv.c (iv_number_of_iterations): Simplify infiniteness
assumptions for loops that otherwise do not roll.
(find_simple_exit): Prefer # of iterations that is guaranteed
not to be infinite.
* loop-unroll.c (decide_peel_once_rolling,
decide_peel_completely): Check whether the loop is infinite.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8628&r2=2.8629
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-iv.c.diff?cvsroot=gcc&r1=2.31&r2=2.32
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-unroll.c.diff?cvsroot=gcc&r1=1.32&r2=1.33
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21254
