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
