Experimental implementation: Exposing SIMD instructions into JavaScript

test/mjsunit/simd/prototype.js

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --allow-natives-syntax
+// Flags: --simd_object --allow-natives-syntax
 
-// Test const initialization and assignments.
-function f() {
-  var x = 42;
-  while (true) {
-    const y = x;
-    if (--x == 0) return y;
-  }
+function testFloat32x4Prototype() {
+  var a4 = float32x4(1.0, -2.0, 3.0, -4.0);
+  float32x4.prototype = {};
+  assertEquals(undefined, a4.x);
+  assertEquals(undefined, a4.y);
+  assertEquals(undefined, a4.z);
+  assertEquals(undefined, a4.w);
 }
 
-function g() {
-  const x = 42;
-  x += 1;
-  return x;
+testFloat32x4Prototype();
+testFloat32x4Prototype();
+%OptimizeFunctionOnNextCall(testFloat32x4Prototype);
+testFloat32x4Prototype();
+
+function testInt32x4Prototype() {
+  var a4 = int32x4(1.0, -2.0, 3.0, -4.0);
+  int32x4.prototype = {};
+  assertEquals(undefined, a4.x);
+  assertEquals(undefined, a4.y);
+  assertEquals(undefined, a4.z);
+  assertEquals(undefined, a4.w);
 }
 
-for (var i = 0; i < 5; i++) {
-  f();
-  g();
-}
-
-%OptimizeFunctionOnNextCall(f);
-%OptimizeFunctionOnNextCall(g);
-
-assertEquals(42, f());
-assertEquals(42, g());
-
-
-function h(a, b) {
-  var r = a + b;
-  const X = 42;
-  return r + X;
-}
-
-for (var i = 0; i < 5; i++) h(1,2);
-
-%OptimizeFunctionOnNextCall(h);
-
-assertEquals(45, h(1,2));
-assertEquals("foo742", h("foo", 7));
+testInt32x4Prototype();
+testInt32x4Prototype();
+%OptimizeFunctionOnNextCall(testInt32x4Prototype);
+testInt32x4Prototype();