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Source file src/runtime/lfstack_32bit.go

Documentation: runtime

  // 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.
  
  // +build 386 arm nacl 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)))
  }
  

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