p.Pos = v.Pos
		}

	case ssa.OpWasmLoweredMove:
		getValue32(s, v.Args[0])
		getValue32(s, v.Args[1])
		i32Const(s, int32(v.AuxInt))
		s.Prog(wasm.AMemoryCopy)

	case ssa.OpWasmLoweredZero:
		getValue32(s, v.Args[0])
		i32Const(s, 0)
		i32Const(s, int32(v.AuxInt))
		s.Prog(wasm.AMemoryFill)

	case ssa.OpWasmLoweredNilCheck:
		getValue64(s, v.Args[0])
		s.Prog(wasm.AI64Eqz)

		{name: "I64Const", reg: gp01, aux: "Int64", rematerializeable: true, typ: "Int64"},        // returns the constant integer aux
		{name: "F32Const", reg: fp32_01, aux: "Float32", rematerializeable: true, typ: "Float32"}, // returns the constant float aux
		{name: "F64Const", reg: fp64_01, aux: "Float64", rematerializeable: true, typ: "Float64"}, // returns the constant float aux

	I32Eqz
	If
	loop:
		Loop
			// Get PC_B & PC_F from -8(SP)
			Get SP
			I32Const $8
			I32Sub
			I32Load16U $0 // PC_B

			Get SP
			I32Const $8
			I32Sub
			I32Load16U $2 // PC_F

			CallIndirect $0
			Drop

			Get PAUSE
			I32Eqz
			BrIf loop
		End
	End

	I32Const $0
	Set PAUSE

	Return

TEXT wasm_export_lib(SB),NOSPLIT,$0

		} else {
			// large stack: SP-framesize <= stackguard-StackSmall
			//              SP <= stackguard+(framesize-StackSmall)
			// Get SP
			// Get g
			// I32WrapI64
			// I32Load $stackguard0
			// I32Const $(framesize-StackSmall)
			// I32Add
			// I32GtU

			p = appendp(p, AGet, regAddr(REG_SP))
			p = appendp(p, AGet, regAddr(REGG))
			p = appendp(p, AI32WrapI64)