gcc/gcc ChangeLog.hammer gcse.c

[zlomek@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	hammer-3_3-branch
Changes by:	zlomek@gcc.gnu.org	2004-04-18 05:56:57

Modified files:
	gcc            : ChangeLog.hammer gcse.c 

Log message:
	Backport from mainline
	2003-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
	Jeff Law  <law@redhat.com>
	
	* gcse.c (remove_reachable_equiv_notes): New.
	(replace_store_insn): Call it.  Update antic list.
	(store_killed_in_insn): Take REG_EQUAL notes into account.
	(build_store_vectors, delete_store): Add parameter to
	replace_store_insn call.
	
	* gcse.c (remove_reachable_equiv_notes): Visit also blocks with kill
	flag.  Handle last == NULL.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.hammer.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.1.2.387&r2=1.1.2.388
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gcse.c.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.222.2.24&r2=1.222.2.25