r140906 - in /trunk/gcc: ChangeLog doc/rtl.texi...

[vmakarov@gcc.gnu.org]

Author: vmakarov
Date: Mon Oct  6 15:34:26 2008
New Revision: 140906

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140906
Log:
2008-10-06  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37535

	* ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
	(mark_ref_live, mark_ref_dead): Use them.
	(def_conflicts_with_inputs_p): Remove.
	(mark_early_clobbers): New function.
	(process_bb_node_lives): Call preprocess_constraints and
	mark_early_clobbers.

	* doc/rtx.texi (clobber): Change how RA deals with clobbers.


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