Retro68/gcc/libgo/go/runtime/lfstack_32bit.go
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

20 lines
598 B
Go

// 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 amd64p32 arm nacl armbe m68k mips mipsle mips64p32 mips64p32le nios2 ppc s390 sh shbe sparc
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)))
}