p := s.Prog(storeOp)
		p.From.Type = obj.TYPE_REG
		p.From.Reg = v.Args[0].Reg()
		ssagen.AddrAuto(&p.To, v)

	case ssa.OpArgIntReg, ssa.OpArgFloatReg:
		// The assembler needs to wrap the entry safepoint/stack growth code with spill/unspill
		// The loop only runs once.
		for _, a := range v.Block.Func.RegArgs {
			// Pass the spill/unspill information along to the assembler, offset by size of
			// the saved LR slot.

	return assistG
}

// memclrNoHeapPointersChunked repeatedly calls memclrNoHeapPointers
// on chunks of the buffer to be zeroed, with opportunities for preemption
// along the way.  memclrNoHeapPointers contains no safepoints and also
// cannot be preemptively scheduled, so this provides a still-efficient
// block copy that can also be preempted on a reasonable granularity.
//