reload: Use rtx_insn (also touches caller-save.c and config/arc/arc)

gcc/
	* reload.h (struct insn_chain): Strengthen field "insn" from rtx
	to rtx_insn *.
	(find_reloads): Likewise for param 1.
	(subst_reloads): Likewise for sole param.
	(find_equiv_reg): Likwise for param 2.
	(regno_clobbered_p): Likwise for param 2.
	(reload): Likewise for param 1.

	* caller-save.c (save_call_clobbered_regs): Strengthen local
	"insn" from rtx to rtx_insn *.
	(insert_one_insn): Likewise for local "insn".

	* reload.c (this_insn): Likewise for this global.
	(find_reloads): Likewise for param "insn".
	(find_reloads_toplev): Likewise.
	(find_reloads_address): Likewise.
	(subst_reg_equivs): Likewise.
	(update_auto_inc_notes): Likewise.
	(find_reloads_address_1): Likewise.
	(find_reloads_subreg_address): Likewise.
	(subst_reloads): Likewise.
	(find_equiv_reg): Likewise, also for local "p".
	(regno_clobbered_p): Likewise for param "insn".

	* reload1.c (reg_reloaded_insn): Likewise for the elements of this
	array.
	(spill_reg_store): Likewise for the elements of this array.
	(remove_init_insns): Likewise for local "equiv_insn".
	(will_delete_init_insn_p): Likewise for param "insn".
	(reload): Likewise for param ""first" and local "insn".
	(calculate_needs_all_insns): Strengthen local "insn" from rtx to
	rtx_insn *.
	(calculate_elim_costs_all_insns): Likewise.
	(delete_caller_save_insns): Likewise.
	(spill_failure): Likewise for param "insn".
	(delete_dead_insn): Likewise.
	(set_label_offsets): Likewise.
	(eliminate_regs_in_insn): Likewise, also for locals "base_insn" and
	"prev_insn".
	(elimination_costs_in_insn): Likewise for param "insn".
	(set_initial_eh_label_offset): Replace use of NULL_RTX with NULL
	when referring to an insn.
	(set_initial_label_offsets): Likewise.
	(set_offsets_for_label): Strengthen param "insn" from rtx to
	rtx_insn *.
	(init_eliminable_invariants): Likewise for param "first" and local
	"insn".
	(fixup_eh_region_note): Likewise for param "insn".
	(reload_as_needed): Likewise for locals "prev", "insn",
	"old_next", "old_prev", "next".
	(gen_reload_chain_without_interm_reg_p): Likewise for locals "insn",
	"last".
	(reload_inheritance_insn): Strengthen elements of this array from
	rtx to rtx_insn *.
	(failed_reload): Likewise for param "insn".
	(choose_reload_regs): Likewise for local "insn".  Replace use of
	NULL_RTX with NULL when referring to an insn.
	(input_reload_insns): Strengthen elements of this array from rtx
	to rtx_insn *.
	(other_input_address_reload_insns): Likewise for this global.
	(other_input_reload_insns): Likewise for this global.
	(input_address_reload_insns): Likwise for the elements of this
	array.
	(inpaddr_address_reload_insns): Likwise for the elements of this
	array.
	(output_reload_insns): Likewise for the elements of this array.
	(output_address_reload_insns): Likewise for the elements of this
	array.
	(outaddr_address_reload_insns): Likewise for the elements of this
	array.
	(operand_reload_insns): Likewise for this global.
	(other_operand_reload_insns): Likewise for this global.
	(other_output_reload_insns): Likewise for the elements of this
	array.
	(new_spill_reg_store): Likewise for the elements of this
	array.
	(emit_input_reload_insns): Likewise for locals "insn", "temp".
	Strengthen local "where" from rtx * to rtx_insn **.
	(emit_output_reload_insns): Strengthen locals "insn", "p", "next"
	from rtx to rtx_insn *.
	(do_input_reload): Likewise for local "insn".
	(do_output_reload): Likewise for local "insn".
	(emit_reload_insns): Likewise for locals "insn" and "store_insn".
	(emit_insn_if_valid_for_reload): Likewise for return type and local
	"last".  Add checked cast to rtx_insn when returning "insn" since
	this has been through emit_insn.
	(gen_reload): Strengthen return type and locals "last", "insn", "set"
	from rtx to rtx_insn *.  Add checked cast to rtx_insn when
	returning "insn" since it's been through
	emit_insn_if_valid_for_reload at this point.
	(delete_output_reload): Strengthen param "insn" and locals
	"output_reload_insn", "i2" from rtx to rtx_insn *.
	(delete_address_reloads): Likewise for params "dead_insn",
	"current_insn" and locals "prev", "next".
	(delete_address_reloads_1): Likewise for params "dead_insn",
	"current_insn" and locals "prev", "i2".
	(inc_for_reload): Likewise for locals "last", "add_insn".
	(add_auto_inc_notes): Strengthen param "insn" from rtx to
	rtx_insn *.

	* config/arc/arc-protos.h (regno_clobbered_p): Likewise for 2nd
	param of this duplicate of the prototype from reload.h

From-SVN: r214370

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/config/arc/arc-protos.h b/gcc/config/arc/arc-protos.h
index dd54fa8..f675972 100644
--- a/gcc/config/arc/arc-protos.h
+++ b/gcc/config/arc/arc-protos.h
@@ -113,6 +113,6 @@ extern int arc_decl_pretend_args (tree decl);
 extern bool arc_short_comparison_p (rtx, int);
 extern bool arc_epilogue_uses (int regno);
 /* insn-attrtab.c doesn't include reload.h, which declares regno_clobbered_p. */
-extern int regno_clobbered_p (unsigned int, rtx, enum machine_mode, int);
+extern int regno_clobbered_p (unsigned int, rtx_insn *, enum machine_mode, int);
 extern int arc_return_slot_offset (void);
 extern bool arc_legitimize_reload_address (rtx *, enum machine_mode, int, int);