(Zero [s-s%8] (OffPtr <destptr.Type> destptr [s%8])
		(I64Store destptr (I64Const [0]) mem))

// Zero small numbers of words directly.
(Zero [16] destptr mem) =>
	(I64Store [8] destptr (I64Const [0])
		(I64Store destptr (I64Const [0]) mem))
(Zero [24] destptr mem) =>
	(I64Store [16] destptr (I64Const [0])
		(I64Store [8] destptr (I64Const [0])
			(I64Store destptr (I64Const [0]) mem)))
(Zero [32] destptr mem) =>

		{name: "I64Store32", asm: "I64Store32", argLength: 3, reg: gpstore, aux: "Int64", typ: "Mem"},   // store 32-bit integer arg1 at address arg0+aux, arg2=mem, returns mem
		{name: "I64Store", asm: "I64Store", argLength: 3, reg: gpstore, aux: "Int64", typ: "Mem"},       // store 64-bit integer arg1 at address arg0+aux, arg2=mem, returns mem

	MOVD 0(R1), R2	// make sure g != nil
	MOVD R1, g
	MOVD gobuf_sp(R0), SP

	// Put target PC at -8(SP), wasm_pc_f_loop will pick it up
	Get SP
	I32Const $8
	I32Sub
	I64Load gobuf_pc(R0)
	I64Store $0

	MOVD gobuf_ret(R0), RET0
	MOVD gobuf_ctxt(R0), CTXT
	// clear to help garbage collector
	MOVD $0, gobuf_sp(R0)
	MOVD $0, gobuf_ret(R0)
	MOVD $0, gobuf_ctxt(R0)

	I32Const $1
	Return