o1 |= (uint32(rt)&15)<<12 | (uint32(r)&15)<<16

	case 23: /* MOVW/MOVB/MOVH R@>i, R */
		switch p.As {
		case AMOVW:
			o1 = c.mov(p)
		case AMOVBU, AMOVBS, AMOVB, AMOVHU, AMOVHS, AMOVH:
			o1 = c.movxt(p)
		default:
			c.ctxt.Diag("illegal combination: %v", p)
		}

	case 30: /* mov/movb/movbu R,L(R) */
		o1 = c.omvl(p, &p.To, REGTMP)

		if o1 == 0 {
			break
		}

(MOV(Q|L|W|B|O)storeconst [sc] {s} (ADDQconst [off] ptr) mem) && ValAndOff(sc).canAdd32(off) =>
	(MOV(Q|L|W|B|O)storeconst [ValAndOff(sc).addOffset32(off)] {s} ptr mem)

// We need to fold LEAQ into the MOVx ops so that the live variable analysis knows
// what variables are being read/written by the ops.
(MOV(Q|L|W|B|SS|SD|O|BQSX|WQSX|LQSX)load [off1] {sym1} (LEAQ [off2] {sym2} base) mem)