2008-10-15  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37535
	* ira-lives.c (mark_early_clobbers): Remove.
	(make_pseudo_conflict, check_and_make_def_use_conflicts,
	check_and_make_def_conflicts,
	make_early_clobber_and_input_conflicts,
	mark_hard_reg_early_clobbers): New functions.
	(process_bb_node_lives): Call
	make_early_clobber_and_input_conflicts and
	mark_hard_reg_early_clobbers.  Make hard register inputs live
	again.

	* doc/rtl.texi (clobber): Change descriotion of RA behaviour for
	early clobbers of pseudo-registers.

From-SVN: r141160