* pa.md (output_bb patterns): Shorten long branch alternatives by 4.
(output_bvb patterns): Likewise.
* pa.c (output_bb): Use 'bb' insn for long branch case.
(output_bvb): Likewise use '{bvb|bb}' for long branch case.
(output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1. Correct length operand for alternatives 1 and 2.
(output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
From-SVN: r112970
