Add Atomics support (#4721)

Creating atomics interface

JerryScript-DCO-1.0-Signed-off-by: Gergo Csizi csgergo92@gmail.com

tests/jerry/es.next/atomics.js

@@ -0,0 +1,65 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+const buffer = new SharedArrayBuffer (16);
+const uint8 = new Uint8Array (buffer);
+uint8[0] = 7;
+
+Atomics.add (uint8, 0, 2);
+Atomics.and (uint8, 0, 2);
+Atomics.compareExchange (uint8, 0, 5, 2);
+Atomics.exchange (uint8, 0, 2);
+Atomics.or (uint8, 0, 2);
+Atomics.sub (uint8, 0, 2);
+Atomics.xor (uint8, 0, 2)
+Atomics.isLockFree (3);
+Atomics.load (uint8, 0);
+Atomics.store (uint8, 0, 2);
+
+const sab = new SharedArrayBuffer (1024);
+const int32 = new Int32Array (sab);
+
+Atomics.wait (int32, 0, 0);
+Atomics.notify (int32, 0, 1);
+
+try {
+  let a;
+  Atomics.add (a, 0, 0);
+} catch (ex) {
+  assert (ex instanceof TypeError);
+}
+
+try {
+  Atomics.add (new Float32Array(10), 0, 2);
+} catch (ex) {
+  assert (ex instanceof TypeError);
+}
+try{
+  const uint16 = new Uint16Array (new ArrayBuffer (16));
+  Atomics.add(uint16, 0, 0);
+} catch (ex) {
+  assert (ex instanceof TypeError);
+}
+
+try {
+  Atomics.add (uint8, 100, 0);
+} catch (ex) {
+  assert (ex instanceof RangeError);
+}
+
+try {
+  Atomics.add (uint8, -1, 0);
+} catch (ex) {
+  assert (ex instanceof RangeError);
+}