// result: (MOVDreg x)
	for {
		x := v_0
		if x.Op != OpARM64MOVBUload {
			break
		}
		v.reset(OpARM64MOVDreg)
		v.AddArg(x)
		return true
	}
	// match: (MOVBUreg x:(MOVBUloadidx _ _ _))
	// result: (MOVDreg x)
	for {
		x := v_0
		if x.Op != OpARM64MOVBUloadidx {
			break
		}
		v.reset(OpARM64MOVDreg)
		v.AddArg(x)
		return true
	}
	// match: (MOVBUreg x:(MOVBUreg _))

func New() hash.Hash {
	if boring.Enabled {
		return boring.NewSHA512()
	}
	d := &digest{function: crypto.SHA512}
	d.Reset()
	return d
}

// New512_224 returns a new hash.Hash computing the SHA-512/224 checksum.
func New512_224() hash.Hash {
	d := &digest{function: crypto.SHA512_224}
	d.Reset()
	return d
}

// New512_256 returns a new hash.Hash computing the SHA-512/256 checksum.
func New512_256() hash.Hash {

			panic(err)
		}
	} else {
		h.outer.Reset()
		h.outer.Write(h.opad)
	}
	h.outer.Write(in[origLen:])
	return h.outer.Sum(in[:origLen])
}

func (h *hmac) Write(p []byte) (n int, err error) {
	return h.inner.Write(p)
}

func (h *hmac) Size() int      { return h.outer.Size() }
func (h *hmac) BlockSize() int { return h.inner.BlockSize() }

func (h *hmac) Reset() {
	if h.marshaled {

		new_ := v_2
		mem := v_3
		v.reset(OpPPC64LoweredAtomicCas32)
		v.AuxInt = int64ToAuxInt(0)
		v.AddArg4(ptr, old, new_, mem)
		return true
	}
}
func rewriteValuePPC64_OpAtomicLoad32(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (AtomicLoad32 ptr mem)
	// result: (LoweredAtomicLoad32 [1] ptr mem)
	for {
		ptr := v_0
		mem := v_1
		v.reset(OpPPC64LoweredAtomicLoad32)

				continue
			}
			v.reset(OpARM64MSUBW)
			v.AddArg3(a, x, y)
			return true
		}
		break
	}
	// match: (ADD x (NEG y))
	// result: (SUB x y)
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			x := v_0
			if v_1.Op != OpARM64NEG {
				continue
			}
			y := v_1.Args[0]
			v.reset(OpARM64SUB)
			v.AddArg2(x, y)
			return true

		ptr := v_0
		val := v_1
		mem := v_2
		v.reset(OpS390XLoweredAtomicExchange64)
		v.AddArg3(ptr, val, mem)
		return true
	}
}
func rewriteValueS390X_OpAtomicLoad32(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (AtomicLoad32 ptr mem)
	// result: (MOVWZatomicload ptr mem)
	for {
		ptr := v_0
		mem := v_1
		v.reset(OpS390XMOVWZatomicload)
		v.AddArg2(ptr, mem)

		v.copyOf(x)
		return true
	}
	// match: (ArraySelect [0] (IData x))
	// result: (IData x)
	for {
		if auxIntToInt64(v.AuxInt) != 0 || v_0.Op != OpIData {
			break
		}
		x := v_0.Args[0]
		v.reset(OpIData)
		v.AddArg(x)
		return true
	}
	// match: (ArraySelect [i] x:(Load <t> ptr mem))
	// result: @x.Block (Load <v.Type> (OffPtr <v.Type.PtrTo()> [t.Elem().Size()*i] ptr) mem)
	for {

// to switch to a new underlying Reader. This permits reusing a ReadCloser
// instead of allocating a new one.
type Resetter interface {
	// Reset discards any buffered data and resets the Resetter as if it was
	// newly initialized with the given reader.
	Reset(r io.Reader, dict []byte) error
}

// NewReader creates a new ReadCloser.
// Reads from the returned ReadCloser read and decompress data from r.

// the buffered reader to read from r.
// Calling Reset on the zero value of [Reader] initializes the internal buffer
// to the default size.
// Calling b.Reset(b) (that is, resetting a [Reader] to itself) does nothing.
func (b *Reader) Reset(r io.Reader) {
	// If a Reader r is passed to NewReader, NewReader will return r.
	// Different layers of code may do that, and then later pass r
	// to Reset. Avoid infinite recursion in that case.
	if b == r {

// implemented by c.
func (c Caser) String(s string) string {
	s, _, _ = transform.String(c.t, s)
	return s
}

// Reset resets the Caser to be reused for new input after a previous call to
// Transform.
func (c Caser) Reset() { c.t.Reset() }

// Transform implements the transform.Transformer interface and transforms the
// given input to the case form implemented by c.