* config/mips/mips-protos.h (m16_uimm3_b, m16_simm4_1, m16_nsimm4_1)
	(m16_simm5_1, m16_nsimm5_1, m16_uimm5_4, m16_nuimm5_4, m16_simm8_1)
	(m16_nsimm8_1, m16_uimm8_1, m16_nuimm8_1, m16_uimm8_m1_1, m16_uimm8_4)
	(m16_nuimm8_4, m16_simm8_8, m16_nsimm8_8): Delete.
	* config/mips/mips.c (m16_check_op, m16_uimm3_b, m16_simm4_1)
	(m16_nsimm4_1, m16_simm5_1, m16_nsimm5_1, m16_uimm5_4, m16_nuimm5_4)
	(m16_simm8_1, m16_nsimm8_1, m16_uimm8_1, m16_nuimm8_1, m16_uimm8_m1_1)
	(m16_uimm8_4, m16_nuimm8_4, m16_simm8_8, m16_nsimm8_8): Delete.
	* config/mips/constraints.md (Udb8, Usb5, Usb8, Usd8, Uub8, Uuw5)
	(Uuw8): New constraints.
	(Usb4): Move into alphabetical order.
	* config/mips/predicates.md (db8_operand, sb5_operand, sb8_operand)
	(sd8_operand, ub8_operand, uw8_operand): New predicates.
	* config/mips/mips.md (*xor<mode>3, *xor<mode>3_mips16): Name
	previously unnamed patterns.
	(*add<mode>3_mips16, *xor<mode>3_mips16, *<optab>si3_mips16)
	(*ashldi3_mips16, *ashrdi3_mips16, *lshrdi3_mips16)
	(*slt<u>_<GPR:mode><GPR2:mode>_mips16)
	(*sle<u>_<GPR:mode><GPR2:mode>_mips16): Use constraints instead
	of set_attr_alternative/if_then_else.  Use extended_mips16 instead
	of specific lengths.

From-SVN: r198771