case LWA, LWAX, LWAUX:
		return true
	case LD, LDU, LDX, LDUX:
		return true
	case LQ:
		return true
	case STB, STBU, STBX, STBUX:
		return true
	case STH, STHU, STHX, STHUX:
		return true
	case STW, STWU, STWX, STWUX:
		return true
	case STD, STDU, STDX, STDUX:
		return true
	case STQ:
		return true
	case LHBRX, LWBRX, STHBRX, STWBRX:
		return true
	case LBARX, LWARX, LHARX, LDARX:

	case AMOVHZ, AMOVH:
		return OPVCC(31, 407, 0, 0) /* sthx */
	case AMOVHBR:
		return OPVCC(31, 918, 0, 0) /* sthbrx */

	case AMOVHZU, AMOVHU:
		return OPVCC(31, 439, 0, 0) /* sthux */

	case AMOVWZ, AMOVW:
		return OPVCC(31, 151, 0, 0) /* stwx */

	case AMOVWZU, AMOVWU:
		return OPVCC(31, 183, 0, 0) /* stwux */
	case ASTSW:
		return OPVCC(31, 661, 0, 0) /* stswx */