gcc/gcc ChangeLog.RA ra.c

[matz@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	new-regalloc-branch
Changes by:	matz@gcc.gnu.org	2002-05-03 13:35:01

Modified files:
	gcc            : ChangeLog.RA ra.c 

Log message:
	* pre-reload.c : Include optabs.h.
	* ra.c (break_precolored_alias, validify_one_insn,
	make_insns_structurally_valid, dump_static_insn_cost): New.
	(max_normal_pseudo, an_unusable_color): New.
	(DUMP_VALIDIFY): New.
	(copy_insn_p): Moves involving spill-pseudos are not coalescable.
	(init_one_web_common): Initialize num_conflicts to 0.
	(add_subweb, check_conflict_numbers, conservative): Dito.
	(remember_web_was_spilled): Adjust num_conflicts by 0.
	(dump_igraph, check_colors, spill_same_color_p, update_spill_colors,
	spill_is_free, emit_loads): Handle spillpseudos.
	(build_worklists): Push spillpseudos onto the stack first.
	(combine): Don't allow to combine a spillpseudo and a normal one.
	(colorize_one_web): Don't try hard to color a spillpseudo.
	Webs aliased to precolored ones are candidates too.
	Fake-colorize spilled spillpseudos.
	(try_recolor_web): Don't choke on wide webs, or on SELECTed ones.
	(unalias_web): Factor out non-common code into ...
	(break_aliases_to_web): ... here.  New.
	(allocate_spill_web): Create pseudos.
	(rewrite_program, insert_stores, emit_loads):
	Use simplify_gen_subreg().
	(slots_overlap_p, insert_stores): Handle REGs.
	(emit_colors): Allocate stack slots here.
	(extended_coalesce_2): Don't coalesce spillpseudos.
	(init_ra): Initialize an_unusable_color.
	(reg_alloc): Add use of return register.  Initialize
	max_normal_pseudo.  Don't call store_motion().  Initialize
	reg_equiv_memory_loc.  Call allocate_initial_values() and regclass().

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.RA.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.73&r2=1.1.2.74
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ra.c.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.53&r2=1.1.2.54