((CMP|CMPW) x y) && canonLessThan(x,y) => (InvertFlags ((CMP|CMPW) y x))

// mul-neg => mneg
(NEG  (MUL  x y)) => (MNEG  x y)
(NEG  (MULW x y)) && v.Type.Size() <= 4 => (MNEGW x y)
(MUL  (NEG  x) y) => (MNEG  x y)
(MULW (NEG  x) y) => (MNEGW x y)

// madd/msub
(ADD a l:(MUL  x y)) && l.Uses==1 && clobber(l) => (MADD a x y)

		}
	}
}

type dec struct {
	form        byte
	neg         bool
	coefficient [16]byte
	exponent    int32
}

func (d dec) Decompose(buf []byte) (form byte, negative bool, coefficient []byte, exponent int32) {
	coef := make([]byte, 16)
	copy(coef, d.coefficient[:])
	return d.form, d.neg, coef, d.exponent
}

		un *= 10
		un1 := un + uint64(c) - '0'
		if un1 < un {
			// overflow
			return 0, false
		}
		un = un1
	}

	if !neg && un > uint64(maxInt64) {
		return 0, false
	}
	if neg && un > uint64(maxInt64)+1 {
		return 0, false
	}

	n := int64(un)
	if neg {
		n = -n
	}

	return n, true
}

// atoi is like atoi64 but for integers
// that fit into an int.

  auto c = ops::Placeholder(root.WithOpName("C"), DT_FLOAT);
  auto d = ops::Add(root.WithOpName("D"), a, b);
  auto e = ops::Add(root.WithOpName("E"), d, c);
  auto f = ops::Neg(root.WithOpName("F"), e);
  auto g = ops::AddN(root.WithOpName("G"), std::initializer_list<Output>{e, f});

  std::unique_ptr<Graph> graph(new Graph(OpRegistry::Global()));
  TF_CHECK_OK(root.ToGraph(graph.get()));

def OpHasSameStaticShapesPred : CPred<"OpHasSameStaticShapes($0.getDefiningOp())">;
def OpHasSameStaticShapes : Constraint<OpHasSameStaticShapesPred, "op must have static same input shapes">;
def OpHasNotSameStaticShapes : Constraint<Neg<OpHasSameStaticShapesPred>, "op must have not static same input shapes">;

def TransposeFCLastTwoDims:
  NativeCodeCall<"TransposeLastTwoDims($0[0].getType())">;

def AreLastTwoDimsTransposed : Constraint<CPred<

	MOVD	fd+0(FP), R3
	MOVD	p+8(FP), R4
	MOVW	n+16(FP), R5
	SYSCALL	$SYS_write
	BVC	2(PC)
	NEG	R3	// caller expects negative errno
	MOVW	R3, ret+24(FP)
	RET

TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0-28
	MOVW	fd+0(FP), R3
	MOVD	p+8(FP), R4
	MOVW	n+16(FP), R5
	SYSCALL	$SYS_read
	BVC	2(PC)
	NEG	R3	// caller expects negative errno
	MOVW	R3, ret+24(FP)
	RET

		}
	}
	return -1
}

func atolwhex(p string) int64 {
	for stringslite.HasPrefix(p, " ") || stringslite.HasPrefix(p, "\t") {
		p = p[1:]
	}
	neg := false
	if stringslite.HasPrefix(p, "-") || stringslite.HasPrefix(p, "+") {
		neg = p[0] == '-'
		p = p[1:]
		for stringslite.HasPrefix(p, " ") || stringslite.HasPrefix(p, "\t") {
			p = p[1:]
		}
	}
	var n int64
	switch {

	case ppc64.ACMP, ppc64.ACMPU, ppc64.ACMPW, ppc64.ACMPWU, ppc64.AFCMPO, ppc64.AFCMPU:
		return true
	}
	return false
}

// IsPPC64NEG reports whether the op (as defined by an ppc64.A* constant) is
// one of the NEG-like instructions that require special handling.
func IsPPC64NEG(op obj.As) bool {
	switch op {
	case ppc64.AADDMECC, ppc64.AADDMEVCC, ppc64.AADDMEV, ppc64.AADDME,
		ppc64.AADDZECC, ppc64.AADDZEVCC, ppc64.AADDZEV, ppc64.AADDZE,

// The timezone offset is returned as a number of seconds.
func tzsetOffset(s string) (offset int, rest string, ok bool) {
	if len(s) == 0 {
		return 0, "", false
	}
	neg := false
	if s[0] == '+' {
		s = s[1:]
	} else if s[0] == '-' {
		s = s[1:]
		neg = true
	}

	// The tzdata code permits values up to 24 * 7 here,
	// although POSIX does not.
	var hours int
	hours, s, ok = tzsetNum(s, 0, 24*7)
	if !ok {

		"Logging.Options.JSON.OutputRoutingOptions.InfoBufferSize.Quantity.d.Dec.unscaled.abs[*]",
		"Logging.Options.JSON.OutputRoutingOptions.InfoBufferSize.Quantity.d.Dec.unscaled.neg",
		"Logging.Options.JSON.OutputRoutingOptions.InfoBufferSize.Quantity.i.scale",
		"Logging.Options.JSON.OutputRoutingOptions.InfoBufferSize.Quantity.i.value",
		"Logging.Options.JSON.OutputRoutingOptions.InfoBufferSize.Quantity.s",