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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - vzeroupper is generated in interrupt handler"
href="https://llvm.org/bugs/show_bug.cgi?id=26412">26412</a>
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<tr>
<th>Summary</th>
<td>vzeroupper is generated in interrupt handler
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hjl.tools@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>kevin.b.smith@intel.com, llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>[hjl@gnu-6 interrupt-8]$ cat s.i
extern void foo (void *) __attribute__ ((interrupt));
extern void bar (void);
void foo (void *frame)
{
bar ();
}
[hjl@gnu-6 interrupt-8]$ make s.s
/export/build/gnu/llvm-clang-bootstrap/stage1/build-x86_64-linux/bin/clang -O2
-Wall -march=nehalem -mavx -S -o s.s s.i
[hjl@gnu-6 interrupt-8]$ grep vzero s.s
vzeroupper
[hjl@gnu-6 interrupt-8]$</pre>
</div>
</p>
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