gcc/gcc ChangeLog combine.c

[ian@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	ian@gcc.gnu.org	2005-10-11 23:45:57

Modified files:
	gcc            : ChangeLog combine.c 

Log message:
	PR rtl-optimization/13931
	* combine.c: Revert patch of 2003-05-14, and:
	(try_combine): Only set elim_i1 and elim_i2 if the destination is
	completely killed in the appropriate insn.
	(distribute_notes): Don't skip multiple hard register test for
	elim_i1 and elim_i2.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.10141&r2=2.10142
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&r1=1.504&r2=1.505