if result == nil {
			throw("runtime: cannot allocate memory")
		}
		lock(&gcBitsArenas.lock)
	} else {
		result = gcBitsArenas.free
		gcBitsArenas.free = gcBitsArenas.free.next
		memclrNoHeapPointers(unsafe.Pointer(result), gcBitsChunkBytes)
	}
	result.next = nil
	// If result.bits is not 8 byte aligned adjust index so
	// that &result.bits[result.free] is 8 byte aligned.

		z := v_0.Args[2]
		v.copyOf(z)
		return true
	}
	// match: (SelectN [0] call:(StaticCall {sym} sptr (Const64 [c]) mem))
	// cond: isInlinableMemclr(config, int64(c)) && isSameCall(sym, "runtime.memclrNoHeapPointers") && call.Uses == 1 && clobber(call)
	// result: (Zero {types.Types[types.TUINT8]} [int64(c)] sptr mem)
	for {
		if auxIntToInt64(v.AuxInt) != 0 {
			break
		}
		call := v_0

		// caller's LR
		*(*uintptr)(unsafe.Pointer(sp)) = 0
		prepGoExitFrame(sp)
	}
	if GOARCH == "arm64" {
		// caller's FP
		*(*uintptr)(unsafe.Pointer(sp - goarch.PtrSize)) = 0
	}

	memclrNoHeapPointers(unsafe.Pointer(&newg.sched), unsafe.Sizeof(newg.sched))
	newg.sched.sp = sp
	newg.stktopsp = sp
	newg.sched.pc = abi.FuncPCABI0(goexit) + sys.PCQuantum // +PCQuantum so that previous instruction is in same function