re PR target/36627 (X86: wrong mode in subqi_2)

re PR target/36627 (X86: wrong mode in subqi_2)

	PR target/36627
	* config/i386/i386.md : Change constraints of HImode and QImode
	immediate operands from "i" to "n".  Change SImode "ni" constraint to
	"i" and SImode "rmi" constraint to "g".  Remove all constraints
	from const0_operand and const1_operand predicated operands.
	(i): Change QImode and HImode attribute from "i" to "n".
	(*subqi_2): Change HImode operands to QImode.
	(*subqi_3): Ditto.

From-SVN: r137122