(mips_rtx_classify, cmp2_op, fcmp_op,

(mips_rtx_classify, cmp2_op, fcmp_op,
fpsw_register_operand, md_register_operand, uns_cmp_op,
classify_op, additive_op, divmod_op, unsigned_op, CLASS_*_OP,
NOTICE_UPDATE_CC): Delete.
(RTX_COSTS): Use different numbers for R3000/R6000/R4000.
(REGISTER_MOVE_COST): Use cost of 2 within same register class, 4
for FP to GR copy, 6 otherwise.
(ADJUST_COST): Give anti and output dependencies zero cost.
(PREDICATE_CODES): Delete obsolete functions from list.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@6931 138bc75d-0d04-0410-961f-82ee72b054a4