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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 // Flags: --allow-natives-syntax | 28 // Flags: --allow-natives-syntax |
| 29 // | |
| 30 // Tests that Turbofan correctly materializes values which are in the | |
| 31 // interpreters accumulator during deopt. | |
| 32 | 29 |
| 33 var global = 3; | 30 function OptimizeTruncatingBinaryOp(func) { |
| 34 function f(a) { | 31 func(42, -2); |
| 35 // This will trigger a deopt since global was previously a SMI, with the | 32 func(31, undefined); |
| 36 // accumulator holding an unboxed double which needs materialized. | 33 %BaselineFunctionOnNextCall(func); |
| 37 global = Math.sqrt(a); | 34 func(42, -2); |
| 35 func(31, undefined); | |
| 36 % OptimizeFunctionOnNextCall(func); | |
|
Jarin
2016/08/30 13:05:52
Remove space.
epertoso
2016/08/30 13:46:48
Done.
| |
| 37 func(-1, 2.1); | |
| 38 assertOptimized(func); | |
| 38 } | 39 } |
| 39 %OptimizeFunctionOnNextCall(f); | 40 |
| 40 f(0.25); | 41 // SAR |
| 41 assertEquals(0.5, global); | 42 OptimizeTruncatingBinaryOp(function(a, b) { return a >> b; }); |
| 43 // SHR | |
| 44 OptimizeTruncatingBinaryOp(function(a, b) { return a >>> b; }); | |
| 45 // SHL | |
| 46 OptimizeTruncatingBinaryOp(function(a, b) { return a << b; }); | |
| 47 // BIT_AND | |
| 48 OptimizeTruncatingBinaryOp(function(a, b) { return a & b; }); | |
| 49 // BIT_OR | |
| 50 OptimizeTruncatingBinaryOp(function(a, b) { return a | b; }); | |
| 51 // BIT_XOR | |
| 52 OptimizeTruncatingBinaryOp(function(a, b) { return a ^ b; }); | |
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