The various TARGET_ASM_..._MAX_SKIP hooks take an insn

The various TARGET_ASM_..._MAX_SKIP hooks take an insn

gcc/ChangeLog:
	* config/rs6000/rs6000.c (rs6000_loop_align_max_skip): Strengthen
	param "label" from rtx to rtx_insn *.
	* config/rx/rx.c (rx_max_skip_for_label): Likewise for param "lab"
	and local "op".
	* doc/tm.texi (TARGET_ASM_JUMP_ALIGN_MAX_SKIP): Autogenerated changes.
	(TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Likewise.
	(TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Likewise.
	(TARGET_ASM_LABEL_ALIGN_MAX_SKIP): Likewise.
	* final.c (default_label_align_after_barrier_max_skip): Strengthen
	param from rtx to rtx_insn *.
	(default_loop_align_max_skip): Likewise.
	(default_label_align_max_skip): Likewise.
	(default_jump_align_max_skip): Likewise.
	* target.def (label_align_after_barrier_max_skip): Likewise.
	(loop_align_max_skip): Likewise.
	(label_align_max_skip): Likewise.
	(jump_align_max_skip): Likewise.
	* targhooks.h (default_label_align_after_barrier_max_skip):
	Likewise.
	(default_loop_align_max_skip): Likewise.
	(default_label_align_max_skip): Likewise.
	(default_jump_align_max_skip): Likewise.

From-SVN: r215270