faultOnNilArg0: true,
		symEffect:      SymRead,
		asm:            x86.ACMPB,
		reg: regInfo{
			inputs: []inputInfo{
				{1, 255},   // AX CX DX BX SP BP SI DI
				{0, 65791}, // AX CX DX BX SP BP SI DI SB
			},
		},
	},
	{
		name:           "CMPLconstload",
		auxType:        auxSymValAndOff,
		argLen:         2,
		faultOnNilArg0: true,
		symEffect:      SymRead,