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e31f0a7d25
PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
22 lines
656 B
JavaScript
22 lines
656 B
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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var boom = (function(stdlib, foreign, heap) {
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"use asm";
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var MEM8 = new stdlib.Uint8Array(heap);
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var MEM32 = new stdlib.Int32Array(heap);
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function foo(i, j) {
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j = MEM8[256];
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// This following value '10' determines the value of 'rax'
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MEM32[j >> 10] = 0xabcdefaa;
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return MEM32[j >> 2] + j
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}
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return foo
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})(this, 0, new ArrayBuffer(256));
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%PrepareFunctionForOptimization(boom);
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%OptimizeFunctionOnNextCall(boom);
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boom(0, 0x1000);
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