(CMPWconst (MOVDconst [x]) [y]) && int32(x)==int32(y) => (FlagEQ)
(CMPWconst (MOVDconst [x]) [y]) && int32(x)<int32(y) => (FlagLT)
(CMPWconst (MOVDconst [x]) [y]) && int32(x)>int32(y) => (FlagGT)
(CMPWUconst (MOVDconst [x]) [y]) && uint32(x)==uint32(y) => (FlagEQ)
(CMPWUconst (MOVDconst [x]) [y]) && uint32(x)<uint32(y) => (FlagLT)
(CMPWUconst (MOVDconst [x]) [y]) && uint32(x)>uint32(y) => (FlagGT)

(ANDconst [c] x) && !isARMImmRot(uint32(c)) && isARMImmRot(^uint32(c)) => (BICconst [int32(^uint32(c))] x)
(BICconst [c] x) && !isARMImmRot(uint32(c)) && isARMImmRot(^uint32(c)) => (ANDconst [int32(^uint32(c))] x)
(ADDconst [c] x) && buildcfg.GOARM.Version==7 && !isARMImmRot(uint32(c)) && uint32(c)>0xffff && uint32(-c)<=0xffff => (SUBconst [-c] x)

(CMPLconst (MOVLconst [x]) [y]) && x==y => (FlagEQ)
(CMPLconst (MOVLconst [x]) [y]) && x<y && uint32(x)<uint32(y) => (FlagLT_ULT)
(CMPLconst (MOVLconst [x]) [y]) && x<y && uint32(x)>uint32(y) => (FlagLT_UGT)
(CMPLconst (MOVLconst [x]) [y]) && x>y && uint32(x)<uint32(y) => (FlagGT_ULT)
(CMPLconst (MOVLconst [x]) [y]) && x>y && uint32(x)>uint32(y) => (FlagGT_UGT)
(CMPWconst (MOVLconst [x]) [y]) && int16(x)==y => (FlagEQ)

(CMPWconst (MOVDconst [x]) [y]) && int32(x)==int32(y) => (FlagEQ)
(CMPWconst (MOVDconst [x]) [y]) && int32(x)<int32(y)  => (FlagLT)
(CMPWconst (MOVDconst [x]) [y]) && int32(x)>int32(y)  => (FlagGT)

(CMPconst (MOVDconst [x]) [y]) && x==y => (FlagEQ)
(CMPconst (MOVDconst [x]) [y]) && x<y  => (FlagLT)
(CMPconst (MOVDconst [x]) [y]) && x>y  => (FlagGT)

(CMPWUconst (MOVDconst [x]) [y]) && int32(x)==int32(y)  => (FlagEQ)

func nlz32(x int32) int { return bits.LeadingZeros32(uint32(x)) }
func nlz16(x int16) int { return bits.LeadingZeros16(uint16(x)) }
func nlz8(x int8) int   { return bits.LeadingZeros8(uint8(x)) }

// ntzX returns the number of trailing zeros.
func ntz64(x int64) int { return bits.TrailingZeros64(uint64(x)) }
func ntz32(x int32) int { return bits.TrailingZeros32(uint32(x)) }

						slotLoc := state.currentState.slots[slotID]
						if slotLoc.absent() {
							startState.Delete(int32(slotID))
							continue
						}
						old := startState.Find(int32(slotID)) // do NOT replace existing values
						if oldLS, ok := old.(*liveSlot); !ok || oldLS.VarLoc != slotLoc {
							startState.Insert(int32(slotID),
								&liveSlot{VarLoc: slotLoc})
						}
					}
					locs.endState = startState
				}

	// linear insert is ok.
	for _, e := range x.entries {
		d.addList(e.ID, e.regs)
	}
}

func min32(x, y int32) int32 {
	if x < y {
		return x
	}
	return y
}
func max32(x, y int32) int32 {
	if x > y {
		return x
	}
	return y

		},

		// go.dev/issue/47243
		{`package issue47243_a; var x int32; var _ = x << 3`, `3`, `untyped int`},
		{`package issue47243_b; var x int32; var _ = x << 3.`, `3.`, `untyped float`},
		{`package issue47243_c; var x int32; var _ = 1 << x`, `1 << x`, `int`},
		{`package issue47243_d; var x int32; var _ = 1 << x`, `1`, `int`},
		{`package issue47243_e; var x int32; var _ = 1 << 2`, `1`, `untyped int`},

		{name: "SCVTFWS", argLength: 1, reg: gpfp, asm: "SCVTFWS"},   // int32 -> float32
		{name: "SCVTFWD", argLength: 1, reg: gpfp, asm: "SCVTFWD"},   // int32 -> float64
		{name: "UCVTFWS", argLength: 1, reg: gpfp, asm: "UCVTFWS"},   // uint32 -> float32
		{name: "UCVTFWD", argLength: 1, reg: gpfp, asm: "UCVTFWD"},   // uint32 -> float64
		{name: "SCVTFS", argLength: 1, reg: gpfp, asm: "SCVTFS"},     // int64 -> float32

				case 4:
					min = int64(int32(w.AuxInt) - int32(delta))
					max = int64(int32(^uint32(0)>>1) - int32(delta))

					vmin = parent.NewValue0I(parent.Pos, OpConst32, parent.Func.Config.Types.Int32, min)
					vmax = parent.NewValue0I(parent.Pos, OpConst32, parent.Func.Config.Types.Int32, max)

				case 2:
					min = int64(int16(w.AuxInt) - int16(delta))