use rtx_insn * in various places where it is obvious

use rtx_insn * in various places where it is obvious

gcc/ChangeLog:

2016-11-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* config/arc/arc.c (arc_emit_call_tls_get_addr): Make the type
	of variables rtx_insn *.
	* config/arm/arm.c (arm_call_tls_get_addr): Likewise.
	(legitimize_tls_address): Likewise.
	* config/bfin/bfin.c (hwloop_optimize): Likewise.
	(bfin_gen_bundles): Likewise.
	* config/c6x/c6x.c (reorg_split_calls): Likewise.
	(c6x_reorg): Likewise.
	* config/frv/frv.c (frv_reorder_packet): Likewise.
	* config/i386/i386.c (ix86_split_idivmod): Likewise.
	* config/ia64/ia64.c (ia64_expand_compare): Likewise.
	* config/m32c/m32c.c (m32c_prepare_shift): Likewise.
	* config/mn10300/mn10300.c: Likewise.
	* config/rl78/rl78.c: Likewise.
	* config/s390/s390.c (s390_fix_long_loop_prediction): Likewise.
	* config/sh/sh-mem.cc (sh_expand_cmpstr): Likewise.
	(sh_expand_cmpnstr): Likewise.
	(sh_expand_strlen): Likewise.
	(sh_expand_setmem): Likewise.
	* config/sh/sh.md: Likewise.
	* emit-rtl.c (emit_pattern_before): Likewise.
	* except.c: Likewise.
	* final.c: Likewise.
	* jump.c: Likewise.

From-SVN: r241768