atomic_loong64.go

     1  // Copyright 2022 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  //go:build loong64
     6  
     7  package atomic
     8  
     9  import (
    10  	"internal/cpu"
    11  	"unsafe"
    12  )
    13  
    14  const (
    15  	offsetLOONG64HasLAMCAS = unsafe.Offsetof(cpu.Loong64.HasLAMCAS)
    16  	offsetLoong64HasLAM_BH = unsafe.Offsetof(cpu.Loong64.HasLAM_BH)
    17  )
    18  
    19  //go:noescape
    20  func Xadd(ptr *uint32, delta int32) uint32
    21  
    22  //go:noescape
    23  func Xadd64(ptr *uint64, delta int64) uint64
    24  
    25  //go:noescape
    26  func Xadduintptr(ptr *uintptr, delta uintptr) uintptr
    27  
    28  //go:noescape
    29  func Xchg8(ptr *uint8, new uint8) uint8
    30  
    31  //go:noescape
    32  func Xchg(ptr *uint32, new uint32) uint32
    33  
    34  //go:noescape
    35  func Xchg64(ptr *uint64, new uint64) uint64
    36  
    37  //go:noescape
    38  func Xchguintptr(ptr *uintptr, new uintptr) uintptr
    39  
    40  //go:noescape
    41  func Load(ptr *uint32) uint32
    42  
    43  //go:noescape
    44  func Load8(ptr *uint8) uint8
    45  
    46  //go:noescape
    47  func Load64(ptr *uint64) uint64
    48  
    49  // NO go:noescape annotation; *ptr escapes if result escapes (#31525)
    50  func Loadp(ptr unsafe.Pointer) unsafe.Pointer
    51  
    52  //go:noescape
    53  func LoadAcq(ptr *uint32) uint32
    54  
    55  //go:noescape
    56  func LoadAcq64(ptr *uint64) uint64
    57  
    58  //go:noescape
    59  func LoadAcquintptr(ptr *uintptr) uintptr
    60  
    61  //go:noescape
    62  func And8(ptr *uint8, val uint8)
    63  
    64  //go:noescape
    65  func And(ptr *uint32, val uint32)
    66  
    67  //go:noescape
    68  func Or8(ptr *uint8, val uint8)
    69  
    70  //go:noescape
    71  func Or(ptr *uint32, val uint32)
    72  
    73  //go:noescape
    74  func And32(ptr *uint32, val uint32) uint32
    75  
    76  //go:noescape
    77  func Or32(ptr *uint32, val uint32) uint32
    78  
    79  //go:noescape
    80  func And64(ptr *uint64, val uint64) uint64
    81  
    82  //go:noescape
    83  func Or64(ptr *uint64, val uint64) uint64
    84  
    85  //go:noescape
    86  func Anduintptr(ptr *uintptr, val uintptr) uintptr
    87  
    88  //go:noescape
    89  func Oruintptr(ptr *uintptr, val uintptr) uintptr
    90  
    91  // NOTE: Do not add atomicxor8 (XOR is not idempotent).
    92  
    93  //go:noescape
    94  func Cas64(ptr *uint64, old, new uint64) bool
    95  
    96  //go:noescape
    97  func CasRel(ptr *uint32, old, new uint32) bool
    98  
    99  //go:noescape
   100  func Store(ptr *uint32, val uint32)
   101  
   102  //go:noescape
   103  func Store8(ptr *uint8, val uint8)
   104  
   105  //go:noescape
   106  func Store64(ptr *uint64, val uint64)
   107  
   108  // NO go:noescape annotation; see atomic_pointer.go.
   109  func StorepNoWB(ptr unsafe.Pointer, val unsafe.Pointer)
   110  
   111  //go:noescape
   112  func StoreRel(ptr *uint32, val uint32)
   113  
   114  //go:noescape
   115  func StoreRel64(ptr *uint64, val uint64)
   116  
   117  //go:noescape
   118  func StoreReluintptr(ptr *uintptr, val uintptr)
   119
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