Reset trunk to 3.24.35.4

test/mjsunit/smi-mul-const.js

-// Copyright 2014 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
-// 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 --noalways-opt
-
-function check(func, input, expected) {
-  func(-1);
-  func(-1);
-  %OptimizeFunctionOnNextCall(func);
-  assertEquals(expected, func(input));
-  assertOptimized(func);
-}
-
-function mul_by_neg_1(a) { return a * -1; }
-function mul_by_0(a) {  return a * 0; }
-function mul_by_1(a) { return a * 1; }
-function mul_by_2(a) { return a * 2; }
-
-check(mul_by_neg_1, 2, -2);
-check(mul_by_0, 2, 0);
-check(mul_by_1, 2, 2);
-check(mul_by_2, 2, 4);
-
-function limit_range(a) {
-  // Limit the range of 'a' to enable no-overflow optimizations.
-  return Math.max(Math.min(a | 0, 10), -10);
-}
-
-function mul_by_neg_127(a) { return limit_range(a) * -127; }
-function mul_by_neg_128(a) { return limit_range(a) * -128; }
-function mul_by_neg_129(a) { return limit_range(a) * -129; }
-function mul_by_1023(a) { return limit_range(a) * 1023; }
-function mul_by_1024(a) { return limit_range(a) * 1024; }
-function mul_by_1025(a) { return limit_range(a) * 1025; }
-
-check(mul_by_neg_127, 2, -254);
-check(mul_by_neg_128, 2, -256);
-check(mul_by_neg_129, 2, -258);
-check(mul_by_1023, 2, 2046);
-check(mul_by_1024, 2, 2048);
-check(mul_by_1025, 2, 2050);
-
-// Deopt on minus zero.
-assertEquals(-0, mul_by_neg_128(0));
-assertUnoptimized(mul_by_neg_128);
-assertEquals(-0, mul_by_2(-0));
-assertUnoptimized(mul_by_2);
-
-// Deopt on overflow.
-
-// 2^30 is a smi boundary on arm and ia32.
-var two_30 = 1 << 30;
-// 2^31 is a smi boundary on arm64 and x64.
-var two_31 = 2 * two_30;
-
-// TODO(rmcilroy): replace after r16361 with:  if (%IsValidSmi(two_31)) {
-if (true) {
-  assertEquals(two_31, mul_by_neg_1(-two_31));
-  assertUnoptimized(mul_by_neg_1);
-} else {
-  assertEquals(two_30, mul_by_neg_1(-two_30));
-  assertUnoptimized(mul_by_neg_1);
-}