c.checkindex(p, index2, 15)
			imm5 |= 1
			imm5 |= index1 << 1
			imm4 |= index2
		case ARNG_H:
			c.checkindex(p, index1, 7)
			c.checkindex(p, index2, 7)
			imm5 |= 2
			imm5 |= index1 << 2
			imm4 |= index2 << 1
		case ARNG_S:
			c.checkindex(p, index1, 3)
			c.checkindex(p, index2, 3)
			imm5 |= 4
			imm5 |= index1 << 3
			imm4 |= index2 << 2
		case ARNG_D:

		} else if p.From3Type() == obj.TYPE_CONST {
			/* imm imm reg reg */
			/* operand order: SIX, VRA, ST, VRT */
			six := int(c.regoff(&p.From))
			st := int(c.regoff(p.GetFrom3()))
			o1 = AOP_IIRR(c.opiirr(p.As), uint32(p.To.Reg), uint32(p.Reg), uint32(st), uint32(six))
		} else if p.From3Type() == obj.TYPE_NONE && p.Reg != 0 {
			/* imm reg reg */
			/* operand order: UIM, VRB, VRT */

				ab.Put1(byte(p.From.Offset))

			case Zevex_i_rm_k_r:
				imm, from, kmask, to := unpackOps4(p)
				ab.evex = newEVEXBits(z, &o.op)
				ab.asmevex(ctxt, p, from, nil, to, kmask)
				ab.asmand(ctxt, cursym, p, from, to)
				ab.Put1(byte(imm.Offset))

			case Zevex_i_rm_v_r:
				imm, from, from3, to := unpackOps4(p)
				ab.evex = newEVEXBits(z, &o.op)