gcc/gcc ChangeLog gcse.c testsuite/ChangeLog t ...

[sayle@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_3-branch
Changes by:	sayle@gcc.gnu.org	2003-12-20 19:59:56

Modified files:
	gcc            : ChangeLog gcse.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: 20031220-1.c 

Log message:
	PR optimization/13031
	* gcse.c (cprop_jump): Backport code clean-up and bug-fix
	from mainline [2003-05-20 Sayle, Hirata and Rennecke patch].
	(cprop_insn): Don't attemp further substitutions if the
	current instruction has been deleted.
	(local_cprop_pass): Likewise.
	
	* gcc.c-torture/compile/20031220-1.c: New test case.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.16114.2.850&r2=1.16114.2.851
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gcse.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.223.2.8&r2=1.223.2.9
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.2261.2.339&r2=1.2261.2.340
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/20031220-1.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=NONE&r2=1.1.2.1