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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Internal compiler Cannot select FMADD"
href="http://llvm.org/bugs/show_bug.cgi?id=22749">22749</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Internal compiler Cannot select FMADD
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.5
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</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 Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>paboyle@ph.ed.ac.uk
</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>FMADD intrinsic fails during compile in C++ 11 code on clang-openmp branch.
fatal error: error in backend: Cannot select: 0x863ad78: v8f32 = X86ISD::FMADD
0x860ee08, 0x8617658, 0x863a640 [ORD=26] [ID=30]
0x860ee08: v8f32,ch = load 0x860f120, 0x86abe50, 0x86ab718<LD32[%__A.addr.i]>
[ORD=23] [ID=28]
0x86abe50: i64 = FrameIndex<0> [ID=8]
0x86ab718: i64 = undef [ID=3]
0x8617658: v8f32,ch = load 0x860f120, 0x8617f30, 0x86ab718<LD32[%__B.addr.i]>
[ORD=24] [ID=27]
0x8617f30: i64 = FrameIndex<1> [ID=9]
0x86ab718: i64 = undef [ID=3]
0x863a640: v8f32,ch = load 0x860f648, 0x863b198, 0x86ab718<LD32[%v3]>
[ORD=19] [ID=19]
0x863b198: i64,ch = CopyFromReg 0x85e2590, 0x86ac060 [ORD=12] [ID=15]
0x86ac060: i64 = Register %vreg3 [ID=6]
0x86ab718: i64 = undef [ID=3]
In function: _ZN3dpo3macERNS_6vRealFES0_S0_
Preprocessed source and runscript attached in tar file.</pre>
</div>
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