if p.As == AMOVV {
			a = SP(2, 0) | (1 << 21) /* dmfc0 */
		}
		o1 = OP_RRR(a, p.To.Reg, obj.REG_NONE, p.From.Reg)

	case 40: /* word */
		o1 = uint32(c.regoff(&p.From))

	case 41: /* movw f,fcr */
		o1 = OP_RRR(SP(2, 1)|(6<<21), p.From.Reg, obj.REG_NONE, p.To.Reg) /* mtcc1 */

	case 42: /* movw fcr,r */
		o1 = OP_RRR(SP(2, 1)|(2<<21), p.To.Reg, obj.REG_NONE, p.From.Reg) /* mfcc1 */

		a := AOR
		if p.As == AMOVW {
			a = ASLL
		}
		o1 = OP_RRR(c.oprrr(a), uint32(REGZERO), uint32(p.From.Reg), uint32(p.To.Reg))

	case 2: // add/sub r1,[r2],r3
		r := int(p.Reg)
		if p.As == ANEGW || p.As == ANEGV {
			r = REGZERO
		}
		if r == 0 {
			r = int(p.To.Reg)
		}
		o1 = OP_RRR(c.oprrr(p.As), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg))