regrex[i] = Rxr | Rxx | Rxb
			}
		}
		if i >= REG_X16 && i <= REG_X16+15 {
			reg[i] = (i - REG_X16) & 7
			if i >= REG_X16+8 {
				regrex[i] = Rxr | Rxx | Rxb | RxrEvex
			} else {
				regrex[i] = RxrEvex
			}
		}
		if i >= REG_Y0 && i <= REG_Y0+15 {
			reg[i] = (i - REG_Y0) & 7
			if i >= REG_Y0+8 {
				regrex[i] = Rxr | Rxx | Rxb
			}
		}

		(uint8(b2)<<4)|(uint8(d2>>8)&0xf),
		uint8(d2),
		(uint8(m3)<<4)|rxb(v1, 0, 0, 0),
		uint8(op))
}

func zVRV(op, v1, v2, b2, d2, m3 uint32, asm *[]byte) {
	*asm = append(*asm,
		uint8(op>>8),
		(uint8(v1)<<4)|(uint8(v2)&0xf),
		(uint8(b2)<<4)|(uint8(d2>>8)&0xf),
		uint8(d2),
		(uint8(m3)<<4)|rxb(v1, v2, 0, 0),
		uint8(op))
}