gcc/
	* sel-sched-ir.h (insn_t): Strengthen from rtx to rtx_insn *.
	(BND_TO): Delete this function and...
	(SET_BND_TO): ...this functions in favor of...
	(BND_TO): ...reinstating this macro.
	(struct _fence): Strengthen field "executing_insns" from
	vec<rtx, va_gc> * to vec<rtx_insn *, va_gc> *.  Strengthen fields
	"last_scheduled_insn" and "sched_next" from rtx to rtx_insn *.
	(_succ_iter_cond): Update param "succp" from rtx * to insn_t *
	and param "insn" from rtx to insn_t.
	(create_vinsn_from_insn_rtx): Strengthen first param from rtx to
	rtx_insn *.

	* sched-int.h (insn_vec_t): Strengthen from vec<rtx> to
	vec<rtx_insn *> .
	(rtx_vec_t): Likewise.
	(struct sched_deps_info_def): Strengthen param of "start_insn"
	callback from rtx to rtx_insn *.  Likewise for param "insn2" of
	"note_mem_dep" callback and first param of "note_dep" callback.

	* haifa-sched.c (add_to_speculative_block): Strengthen param
	"insn" from rtx to rtx_insn *.
	(clear_priorities): Likewise.
	(calc_priorities): Likewise for local "insn".

	* sched-deps.c (haifa_start_insn): Likewise for param "insn".
	Remove redundant checked cast.
	(haifa_note_mem_dep): Likewise for param "pending_insn".
	(haifa_note_dep): Likewise for param "elem".
	(note_mem_dep): Likewise for param "e".
	(sched_analyze_1): Add checked casts.
	(sched_analyze_2): Likewise.

	* sel-sched-dump.c (dump_insn_vector): Strengthen local "succ"
	from rtx to rtx_insn *.
	(debug): Update param from vec<rtx> & to vec<rtx_insn *>, and
	from vec<rtx> * to vec<rtx_insn *> *.

	* sel-sched-ir.c (blist_add): Remove use of SET_BND_TO
	scaffolding.
	(flist_add): Strengthen param "executing_insns" from
	vec<rtx, va_gc> * to vec<rtx_insn *, va_gc> *.
	(advance_deps_context): Remove now-redundant checked cast.
	(init_fences): Replace uses of NULL_RTX with NULL.
	(merge_fences): Strengthen params "last_scheduled_insn" and
	"sched_next" from rtx to rtx_insn * and "executing_insns" from
	vec<rtx, va_gc> * to vec<rtx_insn *, va_gc> *.
	(add_clean_fence_to_fences): Replace uses of NULL_RTX with NULL.
	(get_nop_from_pool): Add local "nop_pat" so that "nop" can be
	an instruction, rather than doing double-duty as a pattern.
	(return_nop_to_pool): Update for change of insn_t.
	(deps_init_id): Remove now-redundant checked cast.
	(struct sched_scan_info_def): Strengthen param of "init_insn"
	callback from rtx to insn_t.
	(sched_scan): Strengthen local "insn" from rtx to rtx_insn *.
	(init_global_and_expr_for_insn): Replace uses of NULL_RTX with
	NULL.
	(get_seqno_by_succs): Strengthen param "insn" and locals "tmp",
	"end" from rtx to rtx_insn *.
	(create_vinsn_from_insn_rtx): Likewise for param "insn_rtx".
	(rtx insn_rtx, bool force_unique_p)
	(BND_TO): Delete function.
	(SET_BND_TO): Delete function.

	* sel-sched.c (advance_one_cycle): Strengthen local "insn" from
	rtx to rtx_insn *.
	(extract_new_fences_from): Replace uses of NULL_RTX with NULL.
	(replace_dest_with_reg_in_expr): Strengthen local "insn_rtx" from
	rtx to rtx_insn *.
	(undo_transformations): Likewise for param "insn".
	(update_liveness_on_insn): Likewise.
	(compute_live_below_insn): Likewise for param "insn" and local
	"succ".
	(update_data_sets): Likewise for param "insn".
	(fill_vec_av_set): Replace uses of NULL_RTX with NULL.
	(convert_vec_av_set_to_ready): Drop now-redundant checked cast.
	(invoke_aftermath_hooks): Strengthen param "best_insn" from rtx to
	rtx_insn *.
	(move_cond_jump): Likewise for param "insn".
	(move_cond_jump): Drop use of SET_BND_TO.
	(compute_av_set_on_boundaries): Likewise.
	(update_fence_and_insn): Replace uses of NULL_RTX with NULL.
	(update_and_record_unavailable_insns): Strengthen local "bb_end"
	from rtx to rtx_insn *.
	(maybe_emit_renaming_copy): Likewise for param "insn".
	(maybe_emit_speculative_check): Likewise.
	(handle_emitting_transformations): Likewise.
	(remove_insn_from_stream): Likewise.
	(code_motion_process_successors): Strengthen local "succ" from rtx
	to insn_t.

/
	* rtx-classes-status.txt (TODO): Remove SET_BND_TO.

From-SVN: r214528