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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 --- - [clang-cl] error: "invalid operand for instruction" on boost::atomic"
href="https://llvm.org/bugs/show_bug.cgi?id=26035">26035</a>
</td>
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<th>Summary</th>
<td>[clang-cl] error: "invalid operand for instruction" on boost::atomic
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<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>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>heavenandhell171@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>This is based on the reduced test case from PR26001, which had a similar
problem.
$ cat > Tmp.cpp
template <bool Signed>
struct make_storage_type {
typedef unsigned long long type;
};
template <bool Signed>
struct msvc_dcas_x86 {
typedef typename make_storage_type<Signed>::type storage_type;
void store() {
storage_type v;
__asm movq xmm4, v;
}
};
int main() {
msvc_dcas_x86<false> x;
x.store();
}
$ clang-cl Tmp.cpp
Tmp.cpp(11,5) : error: invalid operand for instruction
__asm movq xmm4, v;
^
<inline asm>(2,2) : note: instantiated into assembly here
movq xmm4, dword ptr v
^
1 error generated.</pre>
</div>
</p>
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