* config/mips/mips.c (mips_integer_op): New structure.
(MIPS_MAX_INTEGER_OPS): Define.
(mips_const_insns): Use mips_build_integer to determine the number
of instructions needed to load a CONST_INT.
(move_operand): Reject compound CONST_INTs.
(mips_build_shift, mips_build_lower, mips_build_integer): New fns.
(mips_move_integer): New fn.
(mips_legitimize_const_move): Pass CONST_INTs to mips_move_integer.
(mips_legitimize_move): Only legitimize constants when moving
word or subword values.
From-SVN: r66419
