1 files changed, 77 insertions, 0 deletions
diff --git a/src/google/protobuf/stubs/atomicops_internals_tile_gcc.h b/src/google/protobuf/stubs/atomicops_internals_tile_gcc.h
new file mode 100644
index 00000000..6e5418a4
--- /dev/null
+++ b/src/google/protobuf/stubs/atomicops_internals_tile_gcc.h
@@ -0,0 +1,77 @@
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM64_GCC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM64_GCC_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+    asm volatile ("st4 %0, %1"
+                  : "=r" (*ptr)
+                  : "m" (value));
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+    Atomic32 dest;
+    asm volatile ("ld4s %0, %1"
+                  : "=r" (dest)
+                  : "m" (*ptr));
+    return dest;
+}
+
+inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
+    asm volatile ("st %0, %1"
+                  : "=r" (*ptr)
+                  : "m" (value));
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
+    Atomic64 dest;
+    asm volatile ("ld %0, %1"
+                  : "=r" (dest)
+                  : "m" (*ptr));
+    return dest;
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
+    return NoBarrier_Load(ptr);
+}
+
+inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
+    NoBarrier_Store(ptr, value);
+}
+
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+    Atomic64 tmp;
+    asm volatile ("mtspr CMPEXCH_VALUE, %3\n\t"
+                  "cmpexch %0, %1, %2"
+                  : "=r" (tmp), "=m" (*ptr)
+                  : "r" (new_value), "r" (old_value));
+    return tmp;
+}
+
+inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
+                                         Atomic64 new_value) {
+    Atomic64 old_value;
+    asm volatile ("exch %0, %1, %2"
+                  : "=r" (old_value), "=m" (*ptr)
+                  : "r" (new_value));
+    return old_value;
+}
+
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
+                                          Atomic64 value) {
+    Atomic64 dest;
+    asm volatile ("fetchadd %0, %1, %2"
+                  : "=r" (dest), "=m" (*ptr)
+                  : "r" (value));
+    return *ptr;
+}
+
+}
+}
+}
+
+#endif