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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Arm backend does not recognise "vmov R, R[n]"."
href="https://bugs.llvm.org/show_bug.cgi?id=38560">38560</a>
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<th>Summary</th>
<td>Arm backend does not recognise "vmov R, R[n]".
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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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>new bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>iains-llvm@btconnect.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=20711" name="attach_20711" title="add vmov R, R[n] insn alias.">attachment 20711</a> <a href="attachment.cgi?id=20711&action=edit" title="add vmov R, R[n] insn alias.">[details]</a></span>
add vmov R, R[n] insn alias.
ran into this building newlib.
The documentation for the vmov insn says that in
"vmov.32 R, R[n]" the ".32" may be ommitted and is assumed to be 32.
patch adds an insn alias for this, unless there's expected to be an alternate
solution?
testcase
=====
$ more /src/test-arm/bare-vmov.S
#define synd r0
/* NEON registers */
#define vdata0_0 d2 /* Lower half of vdata0 */
.syntax unified
.arch armv7-a
.fpu neon
.text
.thumb_func
.global foo
.type foo,%function
.cfi_startproc
foo:
/* Termination condition found, let's calculate the syndrome value. */
vmov synd, vdata0_0[0]
bx lr
.cfi_endproc
.size foo, . - foo</pre>
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