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/compiler/mul-div-52bit.js b/test/mjsunit/compiler/mul-div-52bit.js
new file mode 100644
index 0000000..46a5d05
--- /dev/null
+++ b/test/mjsunit/compiler/mul-div-52bit.js
@@ -0,0 +1,86 @@
+// 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: --allow-natives-syntax
+
+function mul(a, b) {
+ const l = a & 0x3ffffff;
+ const h = b & 0x3ffffff;
+
+ return (l * h) >>> 0;
+}
+
+function mulAndDiv(a, b) {
+ const l = a & 0x3ffffff;
+ const h = b & 0x3ffffff;
+ const m = l * h;
+
+ const rl = m & 0x3ffffff;
+ const rh = (m / 0x4000000) >>> 0;
+
+ return rl | rh;
+}
+
+function overflowMul(a, b) {
+ const l = a | 0;
+ const h = b | 0;
+
+ return (l * h) >>> 0;
+}
+
+function overflowDiv(a, b) {
+ const l = a & 0x3ffffff;
+ const h = b & 0x3ffffff;
+ const m = l * h;
+
+ return (m / 0x10) >>> 0;
+}
+
+function nonPowerOfTwoDiv(a, b) {
+ const l = a & 0x3ffffff;
+ const h = b & 0x3ffffff;
+ const m = l * h;
+
+ return (m / 0x4000001) >>> 0;
+}
+
+function test(fn, a, b, sets) {
+ const expected = fn(a, b);
+ fn(1, 2);
+ fn(0, 0);
+ %OptimizeFunctionOnNextCall(fn);
+ const actual = fn(a, b);
+
+ assertEquals(expected, actual);
+
+ sets.forEach(function(set, i) {
+ assertEquals(set.expected, fn(set.a, set.b), fn.name + ', set #' + i);
+ });
+}
+
+test(mul, 0x3ffffff, 0x3ffffff, [
+ { a: 0, b: 0, expected: 0 },
+ { a: 0xdead, b: 0xbeef, expected: 0xa6144983 },
+ { a: 0x1aa1dea, b: 0x2badead, expected: 0x35eb2322 }
+]);
+test(mulAndDiv, 0x3ffffff, 0x3ffffff, [
+ { a: 0, b: 0, expected: 0 },
+ { a: 0xdead, b: 0xbeef, expected: 0x21449ab },
+ { a: 0x1aa1dea, b: 0x2badead, expected: 0x1ebf32f }
+]);
+test(overflowMul, 0x4ffffff, 0x4ffffff, [
+ { a: 0, b: 0, expected: 0 },
+ { a: 0xdead, b: 0xbeef, expected: 0xa6144983 },
+ { a: 0x1aa1dea, b: 0x2badead, expected: 0x35eb2322 }
+]);
+test(overflowDiv, 0x3ffffff, 0x3ffffff, [
+ { a: 0, b: 0, expected: 0 },
+ { a: 0xdead, b: 0xbeef, expected: 0xa614498 },
+ { a: 0x1aa1dea, b: 0x2badead, expected: 0x835eb232 }
+]);
+test(nonPowerOfTwoDiv, 0x3ffffff, 0x3ffffff, [
+ { a: 0, b: 0, expected: 0 },
+ { a: 0xdead, b: 0xbeef, expected: 0x29 },
+ { a: 0x1aa1dea, b: 0x2badead, expected: 0x122d20d }
+]);