make_insn_raw returns an rtx_insn

make_insn_raw returns an rtx_insn

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (make_insn_raw): Strengthen return type from rtx to
	rtx_insn *.

	* emit-rtl.c (make_insn_raw): Strengthen return type and local
	"insn" from rtx to rtx_insn *.
	(make_debug_insn_raw): Strengthen return type from rtx to
	rtx_insn *; strengthen local "insn" from rtx to rtx_debug_insn *.
	(make_jump_insn_raw):  Strengthen return type from rtx to
	rtx_insn *; strengthen local "insn" from rtx to rtx_jump_insn *.
	(make_call_insn_raw):  Strengthen return type from rtx to
	rtx_insn *; strengthen local "insn" from rtx to rtx_call_insn *.
	(emit_pattern_before_noloc): Strengthen return type of "make_raw"
	callback from rtx to rtx_insn *; likewise for local "insn" and
	"next", adding a checked cast to rtx_insn in the relevant cases of
	the switch statement.
	(emit_pattern_after_noloc): Strengthen return type of "make_raw"
	callback from rtx to rtx_insn *.
	(emit_pattern_after_setloc): Likewise.
	(emit_pattern_after): Likewise.
	(emit_pattern_before_setloc): Likewise.
	(emit_pattern_before): Likewise.

From-SVN: r214187