github.com/zxy12/go_duplicate_112_new@v0.0.0-20200807091221-747231827200/src/runtime/internal/atomic/atomic_s390x.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package atomic
     6  
     7  import "unsafe"
     8  
     9  //go:nosplit
    10  //go:noinline
    11  func Load(ptr *uint32) uint32 {
    12  	return *ptr
    13  }
    14  
    15  //go:nosplit
    16  //go:noinline
    17  func Loadp(ptr unsafe.Pointer) unsafe.Pointer {
    18  	return *(*unsafe.Pointer)(ptr)
    19  }
    20  
    21  //go:nosplit
    22  //go:noinline
    23  func Load64(ptr *uint64) uint64 {
    24  	return *ptr
    25  }
    26  
    27  //go:nosplit
    28  //go:noinline
    29  func LoadAcq(ptr *uint32) uint32 {
    30  	return *ptr
    31  }
    32  
    33  //go:noinline
    34  //go:nosplit
    35  func Store(ptr *uint32, val uint32) {
    36  	*ptr = val
    37  }
    38  
    39  //go:noinline
    40  //go:nosplit
    41  func Store64(ptr *uint64, val uint64) {
    42  	*ptr = val
    43  }
    44  
    45  // NO go:noescape annotation; see atomic_pointer.go.
    46  //go:noinline
    47  //go:nosplit
    48  func StorepNoWB(ptr unsafe.Pointer, val unsafe.Pointer) {
    49  	*(*uintptr)(ptr) = uintptr(val)
    50  }
    51  
    52  //go:noinline
    53  //go:nosplit
    54  func StoreRel(ptr *uint32, val uint32) {
    55  	*ptr = val
    56  }
    57  
    58  //go:noescape
    59  func And8(ptr *uint8, val uint8)
    60  
    61  //go:noescape
    62  func Or8(ptr *uint8, val uint8)
    63  
    64  // NOTE: Do not add atomicxor8 (XOR is not idempotent).
    65  
    66  //go:noescape
    67  func Xadd(ptr *uint32, delta int32) uint32
    68  
    69  //go:noescape
    70  func Xadd64(ptr *uint64, delta int64) uint64
    71  
    72  //go:noescape
    73  func Xadduintptr(ptr *uintptr, delta uintptr) uintptr
    74  
    75  //go:noescape
    76  func Xchg(ptr *uint32, new uint32) uint32
    77  
    78  //go:noescape
    79  func Xchg64(ptr *uint64, new uint64) uint64
    80  
    81  //go:noescape
    82  func Xchguintptr(ptr *uintptr, new uintptr) uintptr
    83  
    84  //go:noescape
    85  func Cas64(ptr *uint64, old, new uint64) bool
    86  
    87  //go:noescape
    88  func CasRel(ptr *uint32, old, new uint32) bool