var (
	intArgRegs   = abi.IntArgRegs
	floatArgRegs = abi.FloatArgRegs
	floatRegSize = uintptr(abi.EffectiveFloatRegSize)
)

// abiStep represents an ABI "instruction." Each instruction
// describes one part of how to translate between a Go value
// in memory and a call frame.
type abiStep struct {
	kind abiStepKind

	// offset and size together describe a part of a Go value
	// in memory.
	offset uintptr

		abid.dump()
	}

	// Copy inputs into args.

	// Handle receiver.
	inStart := 0
	if rcvrtype != nil {
		// Guaranteed to only be one word in size,
		// so it will only take up exactly 1 abiStep (either
		// in a register or on the stack).
		switch st := abid.call.steps[0]; st.kind {
		case abiStepStack:
			storeRcvr(rcvr, stackArgs)
		case abiStepPointer: