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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Attribute Target MultiVersioning differences with gcc"
href="https://bugs.llvm.org/show_bug.cgi?id=35921">35921</a>
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<th>Summary</th>
<td>Attribute Target MultiVersioning differences with gcc
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>LLVM Codegen
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>rafael.espindola@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>erich.keane@intel.com, llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Given
int __attribute__((target("sse4.2"))) foo_overload(int);
int __attribute__((target("default"))) foo_overload(int);
int bar() {
return foo_overload(1);
}
gcc will put the resolver in a comdat:
.section
.text._Z12foo_overloadi.resolver,"axG",@progbits,_Z12foo_overloadi.resolver,comdat
clang will not.
Neither gcc nor clang will use hidden visibility if -fvisibility=hidden is
passed, but it is not clear why they don't.</pre>
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</p>
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