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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - ARM64: Misleading diagnostic on bad extend amount of reg+reg addressing mode"
href="http://llvm.org/bugs/show_bug.cgi?id=19502">19502</a>
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<th>Summary</th>
<td>ARM64: Misleading diagnostic on bad extend amount of reg+reg addressing mode
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Backend: AArch64
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>grosbach@apple.com
</td>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>error: index must be a multiple of 4 in range [0,16380].
ldr w1, [x3, w3, sxtw #3]
The problem is actually that the #3 isn't valid for the 32-bit destination and
#0 or #2 are required instead.
error: index must be a multiple of 8 in range [0,32760].
ldr x1, [x3, w3, sxtw #2]
The constant must actually be #0 or #3 and the diagnostic should say that.</pre>
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