Experimental implementation: Exposing SIMD instructions into JavaScript

test/mjsunit/simd/representation_change.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.
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 //       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
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (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
 
-function foo() {
-  try {
-    var o = {};
-    Object.defineProperty(o, 'x', {value: 12, writable: false});
-    o.x = 13;
-  } catch(e) {
-    return true;
+function testSIMDAbs(i) {
+  var a;
+  if (i < 3) {
+    a = float32x4(1, 1, 1, 1);
+  } else {
+    a = int32x4(2, 2, 2, 2);
   }
-  return false;
+  return SIMD.float32x4.abs(a);
 }
 
-assertFalse(foo());
-
-function do_eval(str) {
-  "use strict";
-  return eval(str);
+function tryTestSIMDAbs(i) {
+  var r = 0;
+  try {
+    r = testSIMDAbs(i);
+  } catch (o) {
+    AssertEquals(o, "TypeError: <unknown message this is not a float32x4 value.>");
+  } finally {
+    return r;
+  }
 }
 
-var eval_foo = do_eval('(' + foo + ')');
-for (var i = 0; i < 5; i++) assertTrue(eval_foo());
-%OptimizeFunctionOnNextCall(eval_foo);
-assertTrue(eval_foo());
+tryTestSIMDAbs(1);
+tryTestSIMDAbs(2);
+%OptimizeFunctionOnNextCall(testSIMDAbs);
+tryTestSIMDAbs(3);