* 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
