config/tilegx: Use rtx_insn

config/tilegx: Use rtx_insn

gcc/
	* config/tilegx/tilegx-protos.h (tilegx_output_cbranch_with_opcode):
	Strengthen param 1 from rtx to rtx_insn *.
	(tilegx_output_cbranch): Likewise.
	(tilegx_adjust_insn_length): Likewise.
	(tilegx_final_prescan_insn): Likewise for sole param.

	* config/tilegx/tilegx.c (tilegx_legitimize_tls_address): Likewise
	or local "last".
	(cbranch_predicted_p): Likewise for param "insn".
	(tilegx_output_simple_cbranch_with_opcode): Likewise.
	(tilegx_output_cbranch_with_opcode): Likewise.
	(tilegx_output_cbranch): Likewise.
	(frame_emit_load): Likewise for return type.
	(set_frame_related_p): Likewise for locals "seq", "insn".
	(emit_sp_adjust): Likewise for return type, and for local "insn".
	Introduce local "pat" for use in place of "insn" where the latter
	isn't an instruction.
	(tilegx_expand_epilogue): Strengthen locals "last_insn", "insn"
	from rtx to rtx_insn *.
	(tilegx_adjust_insn_length): Likewise for param "insn".
	(next_insn_to_bundle): Likewise for return type and params "r" and
	"end".
	(tilegx_gen_bundles): Likewise for locals "insn", "next", "prev",
	"end".
	(replace_insns): Likewise for params "old_insn", "new_insns".
	(replace_mov_pcrel_step1): Likewise for param "insn" and local
	"new_insns".
	(replace_mov_pcrel_step2): Likewise.
	(replace_mov_pcrel_step3): Likewise.
	(tilegx_fixup_pcrel_references): Likewise for locals "insn",
	"next_insn".
	(reorder_var_tracking_notes): Likewise for locals "insn", "next",
	"queue", "next_queue", "prev".
	(tilegx_output_mi_thunk): Likewise for local "insn".
	(tilegx_final_prescan_insn): Likewise for param "insn".

From-SVN: r214464