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Side by Side Diff: test/mjsunit/compiler/deopt-materialize-accumulator.js

Issue 2116753002: [builtins] Unify most of the remaining Math builtins. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@2102223005
Patch Set: Created 4 years, 5 months ago
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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
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27 27
28 // Flags: --allow-natives-syntax 28 // Flags: --allow-natives-syntax
29 // 29 //
30 // Tests that Turbofan correctly materializes values which are in the 30 // Tests that Turbofan correctly materializes values which are in the
31 // interpreters accumulator during deopt. 31 // interpreters accumulator during deopt.
32 32
33 var global = 3; 33 var global = 3;
34 function f(a) { 34 function f(a) {
35 // This will trigger a deopt since global was previously a SMI, with the 35 // This will trigger a deopt since global was previously a SMI, with the
36 // accumulator holding an unboxed double which needs materialized. 36 // accumulator holding an unboxed double which needs materialized.
37 global = %math_sqrt(a); 37 global = Math.sqrt(a);
38 } 38 }
39 %OptimizeFunctionOnNextCall(f); 39 %OptimizeFunctionOnNextCall(f);
40 f(0.25); 40 f(0.25);
41 assertEquals(0.5, global); 41 assertEquals(0.5, global);
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