Mercurial > hg > CbC > CbC_gcc
view libgo/go/runtime/lfstack_32bit.go @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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// 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 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))) }