* config/tc-xtensa.c (do_align_targets): Update comment.

	* config/tc-xtensa.c (do_align_targets): Update comment.
	(xtensa_frob_label): Compute "freq" before possibly switching frags.
	Insert a LOOP_END frag before every loop target, and do not overload
	DESIRE_ALIGN_IF_TARGET frags with loop end information.
	(xg_assemble_vliw_tokens): Use do_align_targets.
	(xtensa_fix_target_frags): Remove code to convert a
	DESIRE_ALIGN_IF_TARGET frag to a LOOP_END frag when there is a
	negatable branch at the end of a loop.
	(frag_can_negate_branch): Delete.