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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Fix asm.js errors in WebAssembly tests"
href="https://bugs.webkit.org/show_bug.cgi?id=149203">149203</a>
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<th>Summary</th>
<td>Fix asm.js errors in WebAssembly tests
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>JavaScriptCore
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>sukolsak@gmail.com
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<p>
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<pre>Our WebAssembly implementation uses asm.js for testing. Using Firefox to parse asm.js reveals many errors that are not caught by pack-asmjs. For example,
- asm.js does not allow the use of the multiplication operator (*) to multiply two integers, because the result can be so large that some lower bits of precision are lost. Math.imul is used instead.
- an int variable must be coerced to either signed (via x|0) or unsigned (via x>>>0) before it's returned.</pre>
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