diff options
Diffstat (limited to 'src/runtime/internal/atomic/atomic_arm.go')
| -rw-r--r-- | src/runtime/internal/atomic/atomic_arm.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/runtime/internal/atomic/atomic_arm.go b/src/runtime/internal/atomic/atomic_arm.go index 95713afcc1..546b3d6120 100644 --- a/src/runtime/internal/atomic/atomic_arm.go +++ b/src/runtime/internal/atomic/atomic_arm.go @@ -81,6 +81,9 @@ func Store(addr *uint32, v uint32) //go:noescape func StoreRel(addr *uint32, v uint32) +//go:noescape +func StoreReluintptr(addr *uintptr, v uintptr) + //go:nosplit func goCas64(addr *uint64, old, new uint64) bool { if uintptr(unsafe.Pointer(addr))&7 != 0 { @@ -180,6 +183,26 @@ func And8(addr *uint8, v uint8) { } //go:nosplit +func Or(addr *uint32, v uint32) { + for { + old := *addr + if Cas(addr, old, old|v) { + return + } + } +} + +//go:nosplit +func And(addr *uint32, v uint32) { + for { + old := *addr + if Cas(addr, old, old&v) { + return + } + } +} + +//go:nosplit func armcas(ptr *uint32, old, new uint32) bool //go:noescape @@ -195,6 +218,9 @@ func Load8(addr *uint8) uint8 func LoadAcq(addr *uint32) uint32 //go:noescape +func LoadAcquintptr(ptr *uintptr) uintptr + +//go:noescape func Cas64(addr *uint64, old, new uint64) bool //go:noescape |