re PR rtl-optimization/50107 ([IRA, i386] allocates registers in very non-optimal way)

2011-08-17  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/50107
	* ira-int.h (ira_hard_reg_not_in_set_p): Remove.
	(ira_hard_reg_in_set_p): New.

	* ira-color.c (calculate_saved_nregs): New.
	(assign_hard_reg): Use it.  Set up allocated_hard_reg_p for all
	hard regs.
	(allocno_reload_assign, fast_allocation): Use
	ira_hard_reg_set_intersection_p instead of
	ira_hard_reg_not_in_set_p.

	* ira.c (setup_reg_renumber): Use
	ira_hard_reg_set_intersection_p instead of
	ira_hard_reg_not_in_set_p.
	(setup_allocno_assignment_flags, calculate_allocation_cost): Use
	ira_hard_reg_in_set_p instead of ira_hard_reg_not_in_set_p.

	* ira-costs.c (ira_tune_allocno_costs): Use
	ira_hard_reg_set_intersection_p instead of
	ira_hard_reg_not_in_set_p.

From-SVN: r177865