2010-10-04 Vladimir Makarov <vmakarov@redhat.com>

2010-10-04  Vladimir Makarov  <vmakarov@redhat.com>

	* common.opt (fira-coalesce): Remove.

	* doc/invoke.texi (flag_ira_coalesce): Remove.

	* ira-color.c (allocno_coalesced_p): Move before
	copy_freq_compare_func.
	processed_coalesced_allocno_bitmap): Ditto.
	(update_conflict_hard_regno_costs): Don't use
	ALLOCNO_FIRST_COALESCED_ALLOCNO.
	(allocno_cost_compare_func, print_coalesced_allocno): Remove.
	(assign_hard_reg): Assume no coalesced allocnos.
	(get_coalesced_allocnos_attributes): Remove.
	(bucket_allocno_compare_func): Assume no coalesced allocnos.
	(push_allocno_to_stack): Ditto.
	(remove_allocno_from_bucket_and_push): Use
	ira_print_expanded_allocno instead of print_coalesced_allocno.
	(push_allocnos_to_stack): Assume uncoalesced allocnos.
	(all_conflicting_hard_regs_coalesced): Ditto.  Rename to
	all_conflicting_hard_regs.
	(setup_allocno_available_regs_num): Assume uncoalesced allocnos.
	(setup_allocno_left_conflicts_size): Ditto.
	(put_allocno_into_bucket): Ditto.
	(copy_freq_compare_func): Remove.
	(copy_freq_compare_func, merge_allocnos): Move before
	coalesced_pseudo_reg_freq_compare.
	coalesced_allocno_conflict_p): Ditto.
	(coalesced_allocno_conflict_p, coalesce_allocnos): Ditto.  Remove
	parameter.  Assume it true.
	(color_allocnos): Assume uncoalesced allocnos.  Use
	ira_print_expanded_allocno instead of print_coalesced_allocno.
	(ira_sort_regnos_for_alter_reg): Call coalesce_allocnos without
	parameter.

	* ira.c: Remove comment about coalescing.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164959 138bc75d-0d04-0410-961f-82ee72b054a4