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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - ARM integrated assembler ignores .fpu directives when deciding whether instructions are valid"
href="http://llvm.org/bugs/show_bug.cgi?id=22395">22395</a>
</td>
</tr>
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<th>Summary</th>
<td>ARM integrated assembler ignores .fpu directives when deciding whether instructions are valid
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>llvm-as
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jonathan@codesourcery.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>$ cat neon_test.S
.text
.thumb
.arch armv7
.p2align 2
.fpu neon
vldmia r0, {d16-d31}
$ clang -target armv7-none-eabi -c neon_test.S
$ arm-none-eabi-objdump -d neon_test.o
neon_test.o: file format elf32-littlearm
Disassembly of section .text:
00000000 <.text>:
0: ecd0 0b20 vldmia r0, {d16-d31}
$ clang -target armv4t-none-eabi -c neon_test.S
neon_test.S:7:3: error: instruction requires: VFP2
vldmia r0, {d16-d31}
^
This effectively blocks <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - NEON unwind is broken when compile flag is -mfpu=vfpv3-d16"
href="show_bug.cgi?id=22384">http://llvm.org/bugs/show_bug.cgi?id=22384</a></pre>
</div>
</p>
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