gcc/gcc ChangeLog unroll.c testsuite/ChangeLog ...

[mmitchel@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	mmitchel@gcc.gnu.org	2003-07-21 16:52:38

Modified files:
	gcc            : ChangeLog unroll.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg: 20030721-1.c 

Log message:
	PR optimization/11536
	* unroll.c (loop_iterations): Do not replace a register holding
	the final value by its equivalent before the loop if it is not
	invariant.
	
	PR optimization/11536
	* gcc.dg/20030721-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.579&r2=2.580
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/unroll.c.diff?cvsroot=gcc&r1=1.200&r2=1.201
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.2901&r2=1.2902
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/20030721-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1