r141384 - in /trunk/gcc: ChangeLog ira-conflict...

[vmakarov@gcc.gnu.org]

Author: vmakarov
Date: Mon Oct 27 16:24:19 2008
New Revision: 141384

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141384
Log:
2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37813
	* ira-conflicts.c (process_regs_for_copy): Remove class subset
	check.

	* ira-int.h (ira_hard_regno_cover_class): New.

	* ira-lives.c (mark_reg_live, mark_reg_dead,
	process_bb_node_lives): Use ira_hard_regno_cover_class.

	* ira.c (reg_class ira_hard_regno_cover_class): New global
	variable.
	(setup_hard_regno_cover_class): New function.
	(ira_init): Call setup_hard_regno_cover_class.

	* ira-costs.c (cost_class_nums): Add comment.
	(find_allocno_class_costs): Initiate cost_class_nums.
	(setup_allocno_cover_class_and_costs): Check cost_class_nums.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-conflicts.c
    trunk/gcc/ira-costs.c
    trunk/gcc/ira-int.h
    trunk/gcc/ira-lives.c
    trunk/gcc/ira.c