2004-12-15  Vladimir Makarov  <vmakarov@redhat.com>
            Steven Bosscher  <stevenb@suse.de>
	PR middle end/17340

	* global.c: Update comments in a few places.
	(check_earlyclobber): Return true if there are early clobber
	classes.
        (calculate_local_reg_bb_info): Do not try to mark earlyclobber
	regs if there are none.
	(bb_info, allocate_bb_info, free_bb_info, modify_reg_pav,
	make_accurate_live_analysis): Rename pavin, pavout to live_pavin,
	live_pavout.
	(modify_bb_reg_pav): Remove.
	(calculate_reg_pav): Use code from modify_bb_reg_pav.
	(temp_bitmap): New variable.
	(calculate_reg_pav): Allocate/deallocate temp_bitmap.

Co-Authored-By: Steven Bosscher <stevenb@suse.de>

From-SVN: r92206