diff options
Diffstat (limited to 'src/runtime/atomic_arm.go')
| -rw-r--r-- | src/runtime/atomic_arm.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/runtime/atomic_arm.go b/src/runtime/atomic_arm.go index 00cc1837fd..75206ab94a 100644 --- a/src/runtime/atomic_arm.go +++ b/src/runtime/atomic_arm.go @@ -159,8 +159,8 @@ func atomicand8(addr *uint8, v uint8) { // Align down to 4 bytes and use 32-bit CAS. uaddr := uintptr(unsafe.Pointer(addr)) addr32 := (*uint32)(unsafe.Pointer(uaddr &^ 3)) - mask := 0xFF << ((uaddr & 3) * 8) // little endian - word := uint32(v) << ((uaddr & 3) * 8) // little endian + word := uint32(v) << ((uaddr & 3) * 8) // little endian + mask := uint32(0xFF) << ((uaddr & 3) * 8) // little endian word |= ^mask for { old := *addr32 |