* config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst.
("tstqi" split): Avoid using memory for tstqi on address register.
(splits): Remove constraints.
("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12.
("cmpdf", "cmpsf"): Remove since not used.
("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2.
(peephole2): New peepholes to optimize tstqi and pre inc/dec addressing.
From-SVN: r50849
