cselib (also touches sched-deps.c)

cselib (also touches sched-deps.c)

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

	* cselib.h (struct elt_loc_list): Strengthen field "setting_insn"
	from rtx to rtx_insn *.
	(cselib_lookup_from_insn): Likewise for final param.
	(cselib_subst_to_values_from_insn): Likewise.
	(cselib_add_permanent_equiv): Likewise.

	* cselib.c (cselib_current_insn): Likewise for this variable.
	(cselib_subst_to_values_from_insn): Likewise for param "insn".
	(cselib_lookup_from_insn): Likewise.
	(cselib_add_permanent_equiv): Likewise for param "insn" and local
	"save_cselib_current_insn".
	(cselib_process_insn): Replace use of NULL_RTX with NULL.

	* sched-deps.c (add_insn_mem_dependence): Strengthen param "insn"
	from rtx to rtx_insn *.

From-SVN: r214550