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Diffstat (limited to 'deps/v8/test/mjsunit/div-mul-minus-one.js')
-rw-r--r-- | deps/v8/test/mjsunit/div-mul-minus-one.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/div-mul-minus-one.js b/deps/v8/test/mjsunit/div-mul-minus-one.js new file mode 100644 index 0000000000..f05bf0f54c --- /dev/null +++ b/deps/v8/test/mjsunit/div-mul-minus-one.js @@ -0,0 +1,53 @@ +// 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 + +function div(g) { + return (g/-1) ^ 1 +} + +var kMinInt = 1 << 31; +var expected_MinInt = div(kMinInt); +var expected_minus_zero = div(0); +%OptimizeFunctionOnNextCall(div); +assertEquals(expected_MinInt, div(kMinInt)); +assertOptimized(div); +assertEquals(expected_minus_zero , div(0)); +assertOptimized(div); + +function mul(g) { + return (g * -1) ^ 1 +} + +expected_MinInt = mul(kMinInt); +expected_minus_zero = mul(0); +%OptimizeFunctionOnNextCall(mul); +assertEquals(expected_MinInt, mul(kMinInt)); +assertOptimized(mul); +assertEquals(expected_minus_zero , mul(0)); +assertOptimized(mul); |