* config/i386/i386.md (*addqi_2): Do not assert operands[2] == 255

	* config/i386/i386.md (*addqi_2): Do not assert operands[2] == 255
	for TYPE_INCDEC operands.
	(*addqi_3): Ditto.
	(*addqi_4): Ditto.
	(*addqi_5): Ditto.
	(*addqi_ext_1_rex64): Ditto.
	(*addqi_ext_1): Ditto.

	(*addqi_4): Check for incdec_operand in QImode.

	(*add<mode>_2): Macroize insn from *add<mode>_2 and *add{qi,hi}_2
	using SWI mode iterator.
	(*add<mode>_3): Ditto from *add<mode>_3 and *add{qi,hi}_3.
	(*add<mode>_4): Macroize insn from *add{qi,hi,si}_4 using SWI124
	mode iterator.
	(*add<mode>_5): Macroize insn from *add<mode>_5 and *add{qi,hi}_5
	using SWI mode iterator.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160277 138bc75d-0d04-0410-961f-82ee72b054a4