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<body><span class="vcard"><a class="email" href="mailto:dimitry@andric.com" title="Dimitry Andric <dimitry@andric.com>"> <span class="fn">Dimitry Andric</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - static volatile is not honored by the optimizer"
href="https://llvm.org/bugs/show_bug.cgi?id=30922">bug 30922</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">CC</td>
<td>
</td>
<td>dimitry@andric.com
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>INVALID
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - static volatile is not honored by the optimizer"
href="https://llvm.org/bugs/show_bug.cgi?id=30922#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - static volatile is not honored by the optimizer"
href="https://llvm.org/bugs/show_bug.cgi?id=30922">bug 30922</a>
from <span class="vcard"><a class="email" href="mailto:dimitry@andric.com" title="Dimitry Andric <dimitry@andric.com>"> <span class="fn">Dimitry Andric</span></a>
</span></b>
<pre>This is expected, in your example the thing pointed to is volatile, the pointer
itself is not. You probably intended the following:
static int *volatile VAR;
void FOO() { VAR = 0; }
which compiles to:
FOO: # @FOO
# BB#0: # %entry
pushl %ebp
movl %esp, %ebp
movl $0, VAR
popl %ebp
retl</pre>
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