include/opcode/

include/opcode/
	* mips.h: Update documentation of "+s" and "+S".

opcodes/
	* mips-opc.c (mips_builtin_opcodes): Use "+s" for "cins32" and
	"+S" for "cins".
	* mips-dis.c (print_mips_arg): Update "+s" and "+S" comments.
	Combine cases.

gas/
	* config/tc-mips.c (mips_ip): Preserve the real bit number for "+p".
	Require the msb to be <= 31 for "+s".  Check that the size is <= 31
	for both "+s" and "+S".