egcs/gcc ChangeLog.RA ra.c

[matz@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Branch: 	new-regalloc-branch
Changes by:	matz@gcc.gnu.org	2001-07-17 12:35:04

Modified files:
	gcc            : ChangeLog.RA ra.c 

Log message:
	2001-07-13  Michael Matz <matzmich@cs.tu-berlin.de>
	
	crosses_call new member
	preliminar dump_constraints()
	don't dump all RTL at each regalloc pass
	restore use->undefined for each DEF in one INSN (in case of a multi-set
	insn)
	
	* ra.c : (struct web_part): New member crosses_call.
	(struct web): Dito.
	(union_web_parts): Merge it.
	(live_out_1): Set it.
	(parts_to_webs): Copy it.
	Restore use-undefined for each DEF on one insn,
	and only update it after all the effects of it have been seen.
	(init_web_parts): Don't initialize web_part.sub_conflicts member.
	(dump_constraints): New.
	(reg_alloc): Call it.
	Don't dump complete RTL for each pass.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.RA.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.31&r2=1.1.2.32
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ra.c.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.17&r2=1.1.2.18