blob: 405923cc34e7425d8cfed647b0762c3471fd6131 [file] [log] [blame]
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build 386 || arm || mips || mipsle
package runtime
import "unsafe"
// On 32-bit systems, the stored uint64 has a 32-bit pointer and 32-bit count.
func lfstackPack(node *lfnode, cnt uintptr) uint64 {
return uint64(uintptr(unsafe.Pointer(node)))<<32 | uint64(cnt)
func lfstackUnpack(val uint64) *lfnode {
return (*lfnode)(unsafe.Pointer(uintptr(val >> 32)))