(mips_const_double_ok, mips_move_1word, mips_move_2words,
function_arg, override_options, mips_asm_file_start,
compute_frame_size, save_restore_insns, function_prologue,
mips_expand_prologue, function_epilogue, mips_function_value): Modify.
(mips_abi, mips_abi_string): Define

From-SVN: r12133