Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/mjsunit/asm/atomics-load.js b/test/mjsunit/asm/atomics-load.js
new file mode 100644
index 0000000..3e1d19f
--- /dev/null
+++ b/test/mjsunit/asm/atomics-load.js
@@ -0,0 +1,95 @@
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-sharedarraybuffer
+
+function Module(stdlib, foreign, heap, offset) {
+ "use asm";
+ var MEM8 = new stdlib.Int8Array(heap, offset);
+ var MEM16 = new stdlib.Int16Array(heap, offset);
+ var MEM32 = new stdlib.Int32Array(heap, offset);
+ var MEMU8 = new stdlib.Uint8Array(heap, offset);
+ var MEMU16 = new stdlib.Uint16Array(heap, offset);
+ var MEMU32 = new stdlib.Uint32Array(heap, offset);
+ var load = stdlib.Atomics.load;
+ var fround = stdlib.Math.fround;
+
+ function loadi8(i) {
+ i = i | 0;
+ return load(MEM8, i)|0;
+ }
+
+ function loadi16(i) {
+ i = i | 0;
+ return load(MEM16, i)|0;
+ }
+
+ function loadi32(i) {
+ i = i | 0;
+ return load(MEM32, i)|0;
+ }
+
+ function loadu8(i) {
+ i = i | 0;
+ return load(MEMU8, i)>>>0;
+ }
+
+ function loadu16(i) {
+ i = i | 0;
+ return load(MEMU16, i)>>>0;
+ }
+
+ function loadu32(i) {
+ i = i | 0;
+ return load(MEMU32, i)>>>0;
+ }
+
+ return {
+ loadi8: loadi8,
+ loadi16: loadi16,
+ loadi32: loadi32,
+ loadu8: loadu8,
+ loadu16: loadu16,
+ loadu32: loadu32,
+ };
+}
+
+function clearArray() {
+ var ui8 = new Uint8Array(sab);
+ for (var i = 0; i < sab.byteLength; ++i) {
+ ui8[i] = 0;
+ }
+}
+
+function testElementType(taConstr, f, oobValue, offset) {
+ clearArray();
+
+ var ta = new taConstr(sab, offset);
+ var name = Object.prototype.toString.call(ta);
+ ta[0] = 10;
+ assertEquals(10, f(0), name);
+ assertEquals(0, f(1), name);
+ // out of bounds
+ assertEquals(oobValue, f(-1), name);
+ assertEquals(oobValue, f(ta.length), name);
+}
+
+function testElement(m, offset) {
+ testElementType(Int8Array, m.loadi8, 0, offset);
+ testElementType(Int16Array, m.loadi16, 0, offset);
+ testElementType(Int32Array, m.loadi32, 0, offset);
+ testElementType(Uint8Array, m.loadu8, 0, offset);
+ testElementType(Uint16Array, m.loadu16, 0, offset);
+ testElementType(Uint32Array, m.loadu32, 0, offset);
+}
+
+var offset = 0;
+var sab = new SharedArrayBuffer(16);
+var m1 = Module(this, {}, sab, offset);
+testElement(m1, offset);
+
+offset = 32;
+sab = new SharedArrayBuffer(64);
+var m2 = Module(this, {}, sab, offset);
+testElement(m2, offset);