Various scheduling strengthenings

Various scheduling strengthenings

gcc/
2014-08-26  David Malcolm  <dmalcolm@redhat.com>

	* sched-int.h (sched_init_insn_luid): Strengthen param 1 from rtx
	to rtx_insn *.
	(struct reg_use_data): Likewise for field "insn".
	(insn_cost): Likewise for param.
	(real_insn_for_shadow): Likewise for return type and param.
	(increase_insn_priority): Likewise for param 1.
	(debug_dependencies): Likewise for both params.

	* haifa-sched.c (insn_delay): Likewise for param "insn".
	(real_insn_for_shadow): Likewise for return type and param "insn".
	(update_insn_after_change): Likewise for param "insn".
	(recompute_todo_spec): Likewise for param "next" and locals "pro",
	"other".
	(insn_cost): Likewise for param "insn".
	(increase_insn_priority): Likewise.
	(calculate_reg_deaths): Likewise.
	(setup_insn_reg_pressure_info): Likewise.
	(model_schedule): Strengthen from vec<rtx> to vec<rtx_insn *>.
	(model_index): Strengthen param "insn" from rtx to rtx_insn *.
	(model_recompute): Likewise.
	(must_restore_pattern_p): Likewise for param "next".
	(model_excess_cost): Likewise for param "insn".
	(queue_remove): Likewise.
	(adjust_priority): Likewise for param "prev".
	(update_register_pressure): Likewise for param "insn".
	(setup_insn_max_reg_pressure): Likewise for local "insn".
	(update_reg_and_insn_max_reg_pressure): Likewise for param "insn".
	(model_add_to_schedule): Likewise.
	(model_reset_queue_indices): Likewise for local "insn".
	(unschedule_insns_until): Strengthen local "recompute_vec" from
	auto_vec<rtx> to auto_vec<rtx_insn *>.  Strengthen locals "last",
	"con" from rtx to rtx_insn *.
	(restore_last_backtrack_point): Likewise for both locals "x". Add
	checked casts.
	(estimate_insn_tick): Likewise for param "insn".
	(commit_schedule): Likewise for params "prev_head", "tail" and
	local "x".
	(verify_shadows): Likewise for locals "i1", "i2".
	(dump_insn_stream): Likewise for params "head", "tail" and locals
	"next_tail", "insn".
	(schedule_block): Likewise for locals "insn", "x".  Add a checked
	cast.
	(fix_inter_tick): Likewise for params "head", "tail".
	(create_check_block_twin): Likewise for local "jump".
	(haifa_change_pattern): Likewise for param "insn".
	(haifa_speculate_insn): Likewise.
	(dump_new_block_header): Likewise for params "head", "tail".
	(fix_jump_move): Likewise for param "jump".
	(move_block_after_check): Likewise.
	(sched_init_insn_luid): Likewise for param "insn".
	(sched_init_luids): Likewise for local "insn".
	(insn_luid): Likewise for param "insn".
	(init_h_i_d): Likewise.
	(haifa_init_h_i_d): Likewise for local "insn".
	(haifa_init_insn): Likewise for param "insn".
	* sched-deps.c (add_dependence): Likewise for local "real_pro",
	"other".
	(create_insn_reg_use): Likewise for param "insn".
	(setup_insn_reg_uses): Likewise.  Add a checked cast.
	* sched-ebb.c (debug_ebb_dependencies): Strengthen params "head",
	"tail" from rtx to rtx_insn *.
	* sched-rgn.c (void debug_dependencies): Likewise, also for locals
	"insn", "next_tail".

From-SVN: r214547