gcc/gcc ChangeLog.RA ra-rewrite.c ra.c

[matz@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	new-regalloc-branch
Changes by:	matz@gcc.gnu.org	2003-07-02 15:09:45

Modified files:
	gcc            : ChangeLog.RA ra-rewrite.c ra.c 

Log message:
	http://gcc.gnu.org/ml/gcc-patches/2003-07/msg00209.html
	* ra-rewrite.c (uninit_webs_which_changed): New.
	(insert_stores): Use validate_change.  Don't respill already spilled
	refs.  Possibly mark the web as uninit but changed.  Clear the already
	spilled mark.
	(emit_loads): Try to do the load in-place.
	(detect_web_parts_to_rebuild): Handle uninited webs which changed.
	(actual_spill): Allocate/free uninit_webs_which_changed.
	* ra.c (reg_alloc): Rebuild jump labels.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.RA.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.106&r2=1.1.2.107
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ra-rewrite.c.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.16&r2=1.1.2.17
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ra.c.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.70&r2=1.1.2.71