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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - LLVMOpInfoCallback GetOpInfo not setting correct insn->displacementSize"
href="http://llvm.org/bugs/show_bug.cgi?id=17310">17310</a>
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<th>Summary</th>
<td>LLVMOpInfoCallback GetOpInfo not setting correct insn->displacementSize
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
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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>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: X86
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>James.Dutton@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=11250" name="attach_11250" title="PATCH to fix the problem.">attachment 11250</a> <a href="attachment.cgi?id=11250&action=edit" title="PATCH to fix the problem.">[details]</a></span>
PATCH to fix the problem.
I am looking at the "LLVMOpInfoCallback GetOpInfo" callback.
Example 1 GOOD:
41 c6 84 24 16 04 00 00 0c : movb $12, 1046(%r12)
Makes calls to the callback with:
Offset = 0x4, Size = 0x4 <- Octets: 16 04 00 00
Offset = 0x8, Size = 0x1 <- Octets: 0c
That was correct.
Example 2 BAD:
c7 45 98 a1 ff ff ff : movl $4294967201, -104(%rbp)
Makes calls to the callback with:
Offset = 0x2, Size = 0x4 <- Octets: 98 a1 ff ff
Offset = 0x3, Size = 0x4 <- Octets: a1 ff ff ff
That is wrong.
The callbacks should be:
Offset = 0x2, Size = 0x1 <- Octets: 98
Offset = 0x3, Size = 0x4 <- Octets: a1 ff ff ff</pre>
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