sh.h (OVERRIDE_OPTIONS): Set default values for align_loops and align_jumps if not...

sh.h (OVERRIDE_OPTIONS): Set default values for align_loops and align_jumps if not set.

	* sh.h (OVERRIDE_OPTIONS): Set default values for align_loops
	and align_jumps if not set.
	Force align_jumps to be at least 2.
	When relaxing, force align_functions to be at least the maximum of
	align_loops, align_jumps and 4.
	* sh.c (find_barrier, barrier_align): Honour align_jumps_log.
	(sh_loop_align): Honour align_loops_log.

	* sh.md (length attribute): Use prev_nonnote_insn instead of PREV_INSN
	to check for indirect_jump_scratch.
	(indirect_jump_scratch): Add second set.
	* sh.c (output_far_jump): Use prev_nonnote_insn instead of PREV_INSN
	when looking for indirect_jump_scratch.
	Extract scratch register taking new structure of indirect_jump_scratch
	into account.
	(gen_block_redirect): Set INSN_SCOPE for indirect_jump_scratch.

From-SVN: r63728