make several emit functions take an rtx_insn *

make several emit functions take an rtx_insn *

gcc/ChangeLog:

2014-09-04  Trevor Saunders  <tsaunders@mozilla.com>

	* emit-rtl.c (emit_insn_before_noloc): Take an rtx_insn * instead of
	an rtx.
	(emit_jump_insn_before_noloc): Likewise.
	(emit_call_insn_before_noloc): Likewise.
	(emit_label_before): Likewise.
	(emit_label_after): Likewise.
	(emit_insn_before_setloc): Likewise.
	(emit_jump_insn_before_setloc): Likewise.
	(emit_call_insn_before_setloc): Likewise.
	(emit_call_insn_before): Likewise.
	* rtl.h: Adjust.

From-SVN: r214933