gcc/gcc ChangeLog loop.c unroll.c

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_1-branch
Changes by:	rth@gcc.gnu.org	2002-06-14 18:12:09

Modified files:
	gcc            : ChangeLog loop.c unroll.c 

Log message:
	* loop.c (check_final_value): Use v->always_executed
	instead of v->always_computable.
	* unroll.c (final_giv_value): Don't calculate the final
	value as a function of the biv if the giv is not computed
	for every loop iteration.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.13152.2.607&r2=1.13152.2.608
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.389.2.6&r2=1.389.2.7
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/unroll.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.160.2.3&r2=1.160.2.4