LD: "MOVD", STD: "MOVD",
	LDU: "MOVDU", STDU: "MOVDU",
	LFD: "FMOVD", STFD: "FMOVD",
	LFS: "FMOVS", STFS: "FMOVS",
	LFDX: "FMOVD", STFDX: "FMOVD",
	LFDU: "FMOVDU", STFDU: "FMOVDU",
	LFDUX: "FMOVDU", STFDUX: "FMOVDU",
	LFSX: "FMOVS", STFSX: "FMOVS",
	LFSU: "FMOVSU", STFSU: "FMOVSU",
	LFSUX: "FMOVSU", STFSUX: "FMOVSU",
	CMPD: "CMP", CMPDI: "CMP",
	CMPW: "CMPW", CMPWI: "CMPW",

	STB:            "stb",
	STBU:           "stbu",
	STBUX:          "stbux",
	STBX:           "stbx",
	STFD:           "stfd",
	STFDU:          "stfdu",
	STFDUX:         "stfdux",
	STFDX:          "stfdx",
	STFS:           "stfs",
	STFSU:          "stfsu",
	STFSUX:         "stfsux",
	STFSX:          "stfsx",
	STH:            "sth",
	STHBRX:         "sthbrx",
	STHU:           "sthu",

	std	29, -168(1)
	std	30, -160(1)
	std	31, -152(1)
	stfd	14, -144(1)
	stfd	15, -136(1)
	stfd	16, -128(1)
	stfd	17, -120(1)
	stfd	18, -112(1)
	stfd	19, -104(1)
	stfd	20, -96(1)
	stfd	21, -88(1)
	stfd	22, -80(1)
	stfd	23, -72(1)
	stfd	24, -64(1)
	stfd	25, -56(1)
	stfd	26, -48(1)
	stfd	27, -40(1)
	stfd	28, -32(1)
	stfd	29, -24(1)
	stfd	30, -16(1)
	stfd	31, -8(1)

	blr

restoreregs:

	stdZeroMinute:                   "04",
	stdSecond:                       "5",
	stdZeroSecond:                   "05",
	stdLongYear:                     "2006",
	stdYear:                         "06",
	stdPM:                           "PM",
	stdpm:                           "pm",
	stdTZ:                           "MST",
	stdISO8601TZ:                    "Z0700",
	stdISO8601SecondsTZ:             "Z070000",
	stdISO8601ShortTZ:               "Z07",

            ["SS", "ß", "ßa", "ss", "sa", "sb", "st", "ßß"]

        ]
    }

    @Override

		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:
		return true
	}
	return false

	mflr	%r0
	std	%r0, 16(%r1)	// Save LR in caller's frame
	mfcr	%r0
	std	%r0, 8(%r1)	// Save CR in caller's frame
	stdu	%r1, -FRAME_SIZE(%r1)
	std	%r2, 24(%r1)

	FOR_EACH_GPR std
	FOR_EACH_FPR stfd
	FOR_EACH_VR stvx

	// Set up Go ABI constant registers
	li	%r0, 0

	// Restore g pointer (r30 in Go ABI, which may have been clobbered by C)
	mr	%r30, %r4

	// Call fn
	mr	%r12, %r3
	mtctr	%r3

	SETBCR CR2LT, R2                        // 7c480340
	SETNBC CR2GT, R2                        // 7c490380
	SETNBCR CR6SO, R2                       // 7c5b03c0
	STXVP VS6, 12352(R5)                    // 18c53041
	STXVPX VS22, (R1)(R2)                   // 7ec20b9a
	STXVRBX VS2, (R1)(R2)                   // 7c42091a
	STXVRDX VS2, (R1)(R2)                   // 7c4209da
	STXVRHX VS2, (R1)(R2)                   // 7c42095a

		return OPVCC(31, 247, 0, 0) /* stbux */
	case AFMOVD:
		return OPVCC(31, 727, 0, 0) /* stfdx */
	case AFMOVDU:
		return OPVCC(31, 759, 0, 0) /* stfdux */
	case AFMOVS:
		return OPVCC(31, 663, 0, 0) /* stfsx */
	case AFMOVSU:
		return OPVCC(31, 695, 0, 0) /* stfsux */
	case AFMOVSX:
		return OPVCC(31, 983, 0, 0) /* stfiwx */

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

	stdZeroSecond                                  // "05"
	stdLongYear              = iota + stdNeedDate  // "2006"
	stdYear                                        // "06"
	stdPM                    = iota + stdNeedClock // "PM"
	stdpm                                          // "pm"
	stdTZ                    = iota                // "MST"
	stdISO8601TZ                                   // "Z0700"  // prints Z for UTC