| // Copyright 2009 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 amd64 amd64p32 | |
| package atomic | |
| import "unsafe" | |
| //go:nosplit | |
| //go:noinline | |
| func Load(ptr *uint32) uint32 { | |
| return *ptr | |
| } | |
| //go:nosplit | |
| //go:noinline | |
| func Loadp(ptr unsafe.Pointer) unsafe.Pointer { | |
| return *(*unsafe.Pointer)(ptr) | |
| } | |
| //go:nosplit | |
| //go:noinline | |
| func Load64(ptr *uint64) uint64 { | |
| return *ptr | |
| } | |
| //go:noescape | |
| func Xadd(ptr *uint32, delta int32) uint32 | |
| //go:noescape | |
| func Xadd64(ptr *uint64, delta int64) uint64 | |
| //go:noescape | |
| func Xadduintptr(ptr *uintptr, delta uintptr) uintptr | |
| //go:noescape | |
| func Xchg(ptr *uint32, new uint32) uint32 | |
| //go:noescape | |
| func Xchg64(ptr *uint64, new uint64) uint64 | |
| //go:noescape | |
| func Xchguintptr(ptr *uintptr, new uintptr) uintptr | |
| //go:noescape | |
| func And8(ptr *uint8, val uint8) | |
| //go:noescape | |
| func Or8(ptr *uint8, val uint8) | |
| // NOTE: Do not add atomicxor8 (XOR is not idempotent). | |
| //go:noescape | |
| func Cas64(ptr *uint64, old, new uint64) bool | |
| //go:noescape | |
| func Store(ptr *uint32, val uint32) | |
| //go:noescape | |
| func Store64(ptr *uint64, val uint64) | |
| // StorepNoWB performs *ptr = val atomically and without a write | |
| // barrier. | |
| // | |
| // NO go:noescape annotation; see atomic_pointer.go. | |
| func StorepNoWB(ptr unsafe.Pointer, val unsafe.Pointer) |