r141121 - in /branches/ira-merge/gcc: ChangeLog...

[hjl@gcc.gnu.org]

Author: hjl
Date: Tue Oct 14 22:25:09 2008
New Revision: 141121

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141121
Log:
2008-10-14  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.

Modified:
    branches/ira-merge/gcc/ChangeLog.ira
    branches/ira-merge/gcc/doc/rtl.texi
    branches/ira-merge/gcc/ira-lives.c