2008-05-21 Vladimir Makarov <vmakarov@redhat.com>

2008-05-21  Vladimir Makarov  <vmakarov@redhat.com>

	* ira.c (setup_preferred_alternate_classes): Remove.
	(setup_preferred_alternate_classes_for_new_pseudos): New.
	(setup_preferred_alternate_classes): Set memory cost for NO_REGS
	to minimal one.
	(ira): Remove setup_preferred_alternate_classes.  Call
	setup_preferred_alternate_classes_for_new_pseudos.

	* ira-costs.c (record_reg_classes): Don't decrease frequency for
	allows_mem.
	(record_operand_costs): Use memcpy instead of memmove.
	(print_costs): Use regno instead of allocno number in
	invalid_mode_change_p.
	(find_allocno_class_costs): Set up preferred and alternative
	classes.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ira@135748 138bc75d-0d04-0410-961f-82ee72b054a4