// TODO: sign-extending indexed loads
		{name: "MOVBstoreidx1", argLength: 4, reg: gpstoreidx, commutative: true, asm: "MOVB", aux: "SymOff", symEffect: "Write"}, // store byte in arg2 to arg0+arg1+auxint+aux. arg3=mem
		{name: "MOVWstoreidx1", argLength: 4, reg: gpstoreidx, commutative: true, asm: "MOVW", aux: "SymOff", symEffect: "Write"}, // store 2 bytes in arg2 to arg0+arg1+auxint+aux. arg3=mem

		// Does *(arg0+scale*arg1+auxint+aux) = arg2, arg3=mem.
		{name: "MOVBstoreidx1", argLength: 4, reg: gpstoreidx, commutative: true, asm: "MOVB", scale: 1, aux: "SymOff", symEffect: "Write"},
		{name: "MOVWstoreidx1", argLength: 4, reg: gpstoreidx, commutative: true, asm: "MOVW", scale: 1, aux: "SymOff", symEffect: "Write"},
		{name: "MOVWstoreidx2", argLength: 4, reg: gpstoreidx, asm: "MOVW", scale: 2, aux: "SymOff", symEffect: "Write"},

			inputs: []inputInfo{
				{1, 255},   // AX CX DX BX SP BP SI DI
				{2, 255},   // AX CX DX BX SP BP SI DI
				{0, 65791}, // AX CX DX BX SP BP SI DI SB
			},
		},
	},
	{
		name:        "MOVWstoreidx1",
		auxType:     auxSymOff,
		argLen:      4,
		commutative: true,
		symEffect:   SymWrite,
		asm:         x86.AMOVW,
		reg: regInfo{
			inputs: []inputInfo{