c728dad8b8
This got fixed by this change:
https://crrev.com/32a2ab0c724673961aa145ab63c79a29e6d28fa8
Adding a smaller mjsunit test capturing the issue (was with idiv register allocation).
BUG= https://bugs.chromium.org/p/chromium/issues/detail?id=593283
R=aseemgarg@chromium.org,titzer@chromium.org
LOG=N
TEST=asm-wasm-copy
Review URL: https://codereview.chromium.org/1820163002
Cr-Commit-Position: refs/heads/master@{#35041}
28 lines
792 B
JavaScript
28 lines
792 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: --expose-wasm
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(function TestCopyBug() {
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// This was tickling a register allocation issue with
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// idiv in embenchen/copy.
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function asmModule(){
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'use asm';
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function func() {
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var ret = 0;
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var x = 1, y = 0, z = 0;
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var a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, g = 0;
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do {
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y = (x + 0) | 0;
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z = (y | 0) % 2 | 0;
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ret = (y + z + a + b + c + d + e + f + g) | 0;
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} while(0);
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return ret | 0;
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}
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return { func: func };
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}
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var wasm = Wasm.instantiateModuleFromAsm(asmModule.toString());
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assertEquals(asmModule().func(), wasm.func());
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})();
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