sh.md (divsi3_i4_media): Use match_operand for input values rather than hard registers.

sh.md (divsi3_i4_media): Use match_operand for input values rather than hard registers.

	* sh.md (divsi3_i4_media): Use match_operand for input values
	rather than hard registers.
	(divsi3 - TARGET_SHMEDIA_FPU case): Don't ferry values
	unnecessarily through hard registers.  Keep copies of pseudo
	registers outside of the libcall sequence.

	* sh.md (casesi_shift_media): Add modes.

From-SVN: r52732