fpsw_register_operand, cmp2_op, uns_cmp_op, fcmp_op): Delete.
(mips_const_double_ok, mips_fill_delay_slot, output_block_move,
print_operand, function_epilogue): Don't treat gas differently
than native assembler.
(equality_op, cmp_op): Delete use of classify_op.
(override_options): Delete uses of mips_rtx_classify.
(final_prescan_insn): Simplify based on other changes.

From-SVN: r6932