Source: atomic_amd64.go in package runtime/internal/atomic


package atomic

import "unsafe"

Export some functions via linkname to assembly in sync/atomic.go:linkname Loadgo:linkname Loadpgo:linkname Load64

go:nosplitgo:noinline

func Load(ptr *uint32) uint32 {
	return *ptr
}

go:nosplitgo:noinline

func Loadp(ptr unsafe.Pointer) unsafe.Pointer {
	return *(*unsafe.Pointer)(ptr)
}

go:nosplitgo:noinline

func Load64(ptr *uint64) uint64 {
	return *ptr
}

go:nosplitgo:noinline

func LoadAcq(ptr *uint32) uint32 {
	return *ptr
}

go:nosplitgo:noinline

func LoadAcq64(ptr *uint64) uint64 {
	return *ptr
}

go:nosplitgo:noinline

func LoadAcquintptr(ptr *uintptr) uintptr {
	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:nosplitgo:noinline

func Load8(ptr *uint8) uint8 {
	return *ptr
}

go:noescape

func And8(ptr *uint8, val uint8)

go:noescape

func Or8(ptr *uint8, val uint8)

go:noescape

func And(ptr *uint32, val uint32)

go:noescape

func Or(ptr *uint32, val uint32)

NOTE: Do not add atomicxor8 (XOR is not idempotent).

go:noescape

func Cas64(ptr *uint64, old, new uint64) bool

go:noescape

func CasRel(ptr *uint32, old, new uint32) bool

go:noescape

func Store(ptr *uint32, val uint32)

go:noescape

func Store8(ptr *uint8, val uint8)

go:noescape

func Store64(ptr *uint64, val uint64)

go:noescape

func StoreRel(ptr *uint32, val uint32)

go:noescape

func StoreRel64(ptr *uint64, val uint64)

go:noescape

func StoreReluintptr(ptr *uintptr, val uintptr)

StorepNoWB performs *ptr = val atomically and without a write barrier. NO go:noescape annotation; see atomic_pointer.go.