re PR rtl-optimization/63620 (RELOAD lost SET_GOT dependency on Darwin)

re PR rtl-optimization/63620 (RELOAD lost SET_GOT dependency on Darwin)

2014-11-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/63620
	* lra-constraints.c (substitute_pseudo): Add prefix lra_ to the
	name.  Move to lra.c.  Make it external.
	(substitute_pseudo_within_insn): Ditto.
	(inherit_reload_reg, split_reg, remove_inheritance_pseudos): Use
	the new names.
	(undo_optional_reloads): Ditto.
	* lra-int.h (lra_dump_bitmap_with_title, lra_substitute_pseudo):
	New prototypes.
	(lra_substitute_pseudo_within_insn): Ditto.
	* lra-lives.c (bb_killed_pseudos, bb_gen_pseudos): New.
	(mark_regno_live): Add parameter.  Update bb_gen_pseudos.
	(mark_regno_dead): Add parameter.  Update bb_gen_pseudos and
	bb_killed_pseudos.
	(struct bb_data, bb_data_t, bb_data): New.
	(get_bb_data, get_bb_data_by_index): Ditto.
	(all_hard_regs_bitmap): New.
	(live_trans_fun, live_con_fun_0, live_con_fun_n, all_blocks): New.
	(initiate_live_solver, finish_live_solver): New.
	(process_bb_lives): Change return type.  Add code updating local
	live data and removing dead insns.  Pass new argument to
	mark_regno_live and mark_regno_dead.  Check changing bb pseudo
	life info.  Return the result.
	(lra_create_live_ranges): Add code to do global pseudo live
	analysis.
	(lra_live_ranges_init): Call initiate_live_solver.
	(lra_live_ranges_finish): Call finish_live_solver.
	* lra.c (lra_dump_bitmap_with_title): New.
	(lra_substitute_pseudo, lra_substitute_pseudo_within_insn): Move
	from lra-constraints.c.

From-SVN: r217265