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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - bcr 15,0 syntax is not supported on SystemZ"
href="https://bugs.llvm.org/show_bug.cgi?id=45582">45582</a>
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<th>Summary</th>
<td>bcr 15,0 syntax is not supported on SystemZ
</td>
</tr>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
</tr>
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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>Backend: SystemZ
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>iii@linux.ibm.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
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<pre>gas accepts the following:
$ cat test.s
bcr 15,0
$ as test.s
however, clang doesn't:
$ clang -c test.s
test.s:1:8: error: invalid operand for instruction
bcr 15,0
^
it wants 'bcr 15,%r0' instead.
It would be great to accept what gas accepts here, because e.g. musl libc uses
this syntax:
<a href="https://git.musl-libc.org/cgit/musl/tree/arch/s390x/atomic_arch.h?h=v1.2.0#n23">https://git.musl-libc.org/cgit/musl/tree/arch/s390x/atomic_arch.h?h=v1.2.0#n23</a></pre>
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</p>
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