* config/mips/mips.c (mips_rtx_costs): Very slightly increase
	the cost of MULT when optimizing for size.

	* gcc.target/mips/mulsize-1.c: New.
	* gcc.target/mips/mulsize-2.c: New.
	* gcc.target/mips/mulsize-3.c: New.
	* gcc.target/mips/mulsize-4.c: New.

From-SVN: r200867