atomic_loong64.mx raw

   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