fp1flags  = regInfo{inputs: []regMask{fp}}
		fpgp      = regInfo{inputs: []regMask{fp}, outputs: []regMask{gp}, clobbers: buildReg("F15")} // int-float conversion uses F15 as tmp
		gpfp      = regInfo{inputs: []regMask{gp}, outputs: []regMask{fp}, clobbers: buildReg("F15")}
		fp21      = regInfo{inputs: []regMask{fp, fp}, outputs: []regMask{fp}}

  // Whether to replace quantization params of the first dequantize op
  // after the quantized value is produced.
  // If there is a use other than the requantize states, then we can't clobber.
  bool clobber_first = num_uses <= states.size();
  for (RequantizeState& state : states) {
    Type expressed_type = QuantizedType::castToExpressedType(value.getType());
    if (!expressed_type) continue;

		gp11div   = regInfo{inputs: []regMask{ax, gpsp &^ dx}, outputs: []regMask{ax}, clobbers: dx}
		gp21hmul  = regInfo{inputs: []regMask{ax, gpsp}, outputs: []regMask{dx}, clobbers: ax}
		gp11mod   = regInfo{inputs: []regMask{ax, gpsp &^ dx}, outputs: []regMask{dx}, clobbers: ax}
		gp21mul   = regInfo{inputs: []regMask{ax, gpsp}, outputs: []regMask{dx, ax}}

		xergp       = regInfo{inputs: []regMask{xer}, outputs: []regMask{gp}, clobbers: xer}
		gp11cxer    = regInfo{inputs: []regMask{gp | sp | sb}, outputs: []regMask{gp}, clobbers: xer}
		gp11xer     = regInfo{inputs: []regMask{gp | sp | sb}, outputs: []regMask{gp, xer}}
		gp1xer1xer  = regInfo{inputs: []regMask{gp | sp | sb, xer}, outputs: []regMask{gp, xer}, clobbers: xer}

				q1.From.Offset = REGLINK
				q1.To.Type = obj.TYPE_MEM
				q1.To.Reg = REG_R20
				q1.To.Offset = -8

				// This is not async preemptible, as if we open a frame
				// at the current SP, it will clobber the saved LR.
				q1 = c.ctxt.StartUnsafePoint(q1, c.newprog)

				// MOVD R20, RSP
				q1 = obj.Appendp(q1, c.newprog)
				q1.Pos = p.Pos
				q1.As = AMOVD
				q1.From.Type = obj.TYPE_REG

	for _, arg := range args {
		if arg.mode == invalid {
			return nil
		}
	}

	// Make sure we have a "full" list of type arguments, some of which may
	// be nil (unknown). Make a copy so as to not clobber the incoming slice.
	if len(targs) < n {
		targs2 := make([]Type, n)
		copy(targs2, targs)
		targs = targs2
	}
	// len(targs) == n

	// Continue with the type arguments we have. Avoid matching generic

    if (llvm::isa<FixedOutputRangeInterface, SameScalesOpInterface>(def) ||
        !def->hasTrait<OpTrait::quant::QuantizableResult>()) {
      return failure();
    }

    // This op should not clobber def, if more than one requant of this value.
    if (!pre_quantized.hasOneUse()) {
      return failure();
    }

    op.emitWarning("Remove trivial `rescale` op. Please fix the source graph.");

	for _, arg := range args {
		if arg.mode == invalid {
			return nil
		}
	}

	// Make sure we have a "full" list of type arguments, some of which may
	// be nil (unknown). Make a copy so as to not clobber the incoming slice.
	if len(targs) < n {
		targs2 := make([]Type, n)
		copy(targs2, targs)
		targs = targs2
	}
	// len(targs) == n

	// Continue with the type arguments we have. Avoid matching generic

}

// This test forces a GC. The idea is to have enough arguments
// that insufficient spill slots allocated (according to the ABI)
// may cause compiler-generated spills to clobber the return PC.
// Then, the GC stack scanning will catch that.
//
//go:registerparams
func sum9andGC(i1, i2, i3, i4, i5, i6, i7, i8, i9 uint32) uintptr {
	runtime.GC()

		// LoweredWB invokes runtime.gcWriteBarrier{auxint}. arg0=mem, auxint=# of buffer entries needed.
		// It saves all GP registers if necessary, but may clobber others.
		// Returns a pointer to a write barrier buffer in R11.
		{name: "LoweredWB", argLength: 1, reg: regInfo{clobbers: callerSave &^ (gp | g), outputs: []regMask{buildReg("R11")}}, clobberFlags: true, aux: "Int64"},