<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - sparc membar instruction not supported"
href="https://bugs.llvm.org/show_bug.cgi?id=38655">38655</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>sparc membar instruction not supported
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Backend: Sparc
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>brad@comstyle.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>The Sparc backend for SPARCv9 does not support the membar instruction.
/usr/local/include/c++/4.9.4/sparc64-unknown-openbsd6.2/bits/atomic_word.h:38:21:
\
note: expanded from macro '_GLIBCXX_READ_MEM_BARRIER' __asm __volatile
("membar \
#LoadLoad":::"memory") ^
<inline asm>:1:9: note: instantiated into assembly here
membar #LoadLoad
^
/usr/local/include/c++/4.9.4/sparc64-unknown-openbsd6.2/bits/atomic_word.h:40:21:
\
note: expanded from macro '_GLIBCXX_WRITE_MEM_BARRIER'
\
__asm __volatile ("membar #StoreStore":::"memory")
^
<inline asm>:1:9: note: instantiated into assembly here
membar #StoreStore
^</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>