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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [PowerPC] failed to match nor+and to andc?"
href="https://bugs.llvm.org/show_bug.cgi?id=34246">34246</a>
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<th>Summary</th>
<td>[PowerPC] failed to match nor+and to andc?
</td>
</tr>
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<th>Product</th>
<td>libraries
</td>
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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>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: PowerPC
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>spatel+llvm@rotateright.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>This example is derived from <a href="https://reviews.llvm.org/D36840">https://reviews.llvm.org/D36840</a> :
$ cat xxlandc.ll
define <4 x i32> @cmp_sel_0_or_1_vec(<4 x i32> %x, <4 x i32> %y) {
%cond = icmp eq <4 x i32> %x, %y
%sext = sext <4 x i1> %cond to <4 x i32>
%add = add <4 x i32> %sext, <i32 1, i32 1, i32 1, i32 1>
ret <4 x i32> %add
}
$ ./llc -o - xxlandc.ll -mtriple=powerpc64le
vcmpequw 2, 2, 3
vspltisw 19, 1
xxlnor 0, 34, 34
xxland 34, 0, 51
blr
Or with old PPC64 + Altivec:
vcmpequw 2, 2, 3
vspltisw 19, 1
vnot 2, 2
vand 2, 2, 19
This should match to xxlandc / vandc?</pre>
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