old, ok := ft.limits[v.ID]
		if !ok {
			old = noLimit
			if v.isGenericIntConst() {
				switch d {
				case signed:
					old.min, old.max = v.AuxInt, v.AuxInt
					if v.AuxInt >= 0 {
						old.umin, old.umax = uint64(v.AuxInt), uint64(v.AuxInt)
					}
				case unsigned:
					old.umin = v.AuxUnsigned()
					old.umax = old.umin
					if int64(old.umin) >= 0 {

	}
	return int32(sh<<16 | mb<<8 | me)
}

func GetPPC64Shiftsh(auxint int64) int64 {
	return int64(int8(auxint >> 16))
}

func GetPPC64Shiftmb(auxint int64) int64 {
	return int64(int8(auxint >> 8))
}

func GetPPC64Shiftme(auxint int64) int64 {
	return int64(int8(auxint))
}

// Test if this value can encoded as a mask for a rlwinm like

func (b *Block) AuxIntString() string {
	switch b.Kind.AuxIntType() {
	case "int8":
		return fmt.Sprintf("%v", int8(b.AuxInt))
	case "uint8":
		return fmt.Sprintf("%v", uint8(b.AuxInt))
	case "": // no aux int type
		return ""
	default: // type specified but not implemented - print as int64
		return fmt.Sprintf("%v", b.AuxInt)
	}
}

// likelyBranch reports whether block b is the likely branch of all of its predecessors.

					mem := x.memForCall[call.ID]
					if mem == nil {
						v.AuxInt = int64(aux.abiInfo.OutRegistersUsed())
						x.memForCall[call.ID] = v
					} else {
						panic(fmt.Errorf("Saw two memories for call %v, %v and %v", call, mem, v))
					}
				} else {
					selects = append(selects, v)
				}

			case OpSelectNAddr:
				call := v.Args[0]
				which := v.AuxInt
				aux := call.Aux.(*AuxCall)
				pt := v.Type

				memThen = bThen.NewValue1(pos, OpSelect1, types.TypeMem, curCall)
			}
			// Store value in write buffer
			num := curCall.AuxInt
			curCall.AuxInt = num + 1
			wbuf := bThen.NewValue1I(pos, OpOffPtr, types.Types[types.TUINTPTR].PtrTo(), num*f.Config.PtrSize, curPtr)
			memThen = bThen.NewValue3A(pos, OpStore, types.TypeMem, types.Types[types.TUINTPTR], wbuf, v, memThen)
		}

			ptr := v.Args[0]
			var off int64
			for ptr.Op == OpOffPtr { // Walk to base pointer
				off += ptr.AuxInt
				ptr = ptr.Args[0]
			}
			var sz int64
			if v.Op == OpStore {
				sz = v.Aux.(*types.Type).Size()
			} else { // OpZero
				sz = v.AuxInt
			}
			if ptr.Op == OpLocalAddr {
				if la, ok := localAddrs[ptr.Aux]; ok {
					ptr = la
				}
			}

				switch opcodeTable[v.Op].auxType {
				case auxSym:
					if v.Aux != nil {
						continue
					}
				case auxSymOff:
					if v.Aux != nil || v.AuxInt < 0 || v.AuxInt >= minZeroPage {
						continue
					}
				case auxSymValAndOff:
					off := ValAndOff(v.AuxInt).Off()
					if v.Aux != nil || off < 0 || off >= minZeroPage {
						continue
					}
				case auxInt32:

			idx = ptr.Args[1]
			if idx.Op == OpAdd32 || idx.Op == OpAdd64 {
				if idx.Args[0].Op == OpConst32 || idx.Args[0].Op == OpConst64 {
					off += idx.Args[0].AuxInt
					idx = idx.Args[1]
				} else if idx.Args[1].Op == OpConst32 || idx.Args[1].Op == OpConst64 {
					off += idx.Args[1].AuxInt
					idx = idx.Args[0]
				}
			}
			ptr = ptr.Args[0]
		} else {
			return BaseAddress{ptr: ptr, idx: idx}, off
		}
	}
}

		{Name: "avx512vbmi2", Feature: &X86.HasAVX512VBMI2},
		{Name: "avx512bitalg", Feature: &X86.HasAVX512BITALG},
		{Name: "avx512bf16", Feature: &X86.HasAVX512BF16},
		{Name: "amxtile", Feature: &X86.HasAMXTile},
		{Name: "amxint8", Feature: &X86.HasAMXInt8},
		{Name: "amxbf16", Feature: &X86.HasAMXBF16},
		{Name: "bmi1", Feature: &X86.HasBMI1},
		{Name: "bmi2", Feature: &X86.HasBMI2},
		{Name: "cx16", Feature: &X86.HasCX16},

//                   in 2 instructions on x86.)

// umagicOK reports whether we should strength reduce a n-bit divide by c.
func umagicOK(n uint, c int64) bool {
	// Convert from ConstX auxint values to the real uint64 constant they represent.
	d := uint64(c) << (64 - n) >> (64 - n)

	// Doesn't work for 0.
	// Don't use for powers of 2.
	return d&(d-1) != 0
}