Reset trunk to 3.24.35.4

test/mjsunit/deopt-with-fp-regs.js

-// Copyright 2013 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
-
-deopt_trigger = 0;
-side_effect = 0;
-
-function test(a, b, c, d, e, v) {
-  // This test expects some specific input values.
-  assertEquals(10.0, a);
-  assertEquals(20.0, b);
-  assertEquals(30.0, c);
-  assertEquals(40.0, d);
-  assertEquals(50.0, e);
-  assertEquals(1.5, v);
-
-  // Perform a few double calculations.
-  a = a * 0.1;
-  b = b * 0.2;
-  c = c * 0.3;
-  d = d * 0.4;
-  e = e * 0.5;
-
-  // Write to a field of a global object. As for any side effect, a HSimulate
-  // will be introduced after the instructions to support this. If we deopt
-  // later in this function, the execution will resume in full-codegen after
-  // this point.
-  side_effect++;
-  // The following field of the global object will be deleted to force a deopt.
-  // If we use type feedback to deopt, then tests ran with --stress-opt will
-  // not deopt after a few iteration.
-  // If we use %DeoptimizeFunction, all values will be on the frame due to the
-  // call and we will not exercise the translation mechanism handling fp
-  // registers.
-  deopt_trigger = v;
-
-  // Do a few more calculations using the previous values after our deopt point
-  // so the floating point registers which hold those values are recorded in the
-  // environment and will be used during deoptimization.
-  a = a * v;
-  b = b * v;
-  c = c * v;
-  d = d * v;
-  e = e * v;
-
-  // Check that we got the expected results.
-  assertEquals(1.5,  a);
-  assertEquals(6,    b);
-  assertEquals(13.5, c);
-  assertEquals(24,   d);
-  assertEquals(37.5, e);
-}
-
-
-test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
-test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
-%OptimizeFunctionOnNextCall(test);
-test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
-assertTrue(2 != %GetOptimizationStatus(test));
-
-// By deleting the field we are forcing the code to deopt when the field is
-// read on next execution.
-delete deopt_trigger;
-test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
-assertTrue(1 != %GetOptimizationStatus(test));