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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - PowerPC64: Code built with -mcpu=power9 hits select issue"
href="https://bugs.llvm.org/show_bug.cgi?id=33808">33808</a>
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<th>Summary</th>
<td>PowerPC64: Code built with -mcpu=power9 hits select issue
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: PowerPC
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>anton@samba.org
</td>
</tr>
<tr>
<th>CC</th>
<td>echristo@gmail.com, hfinkel@anl.gov, kit.barton@gmail.com, llvm-bugs@lists.llvm.org, nemanja.i.ibm@gmail.com
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<div>
<pre>I'm hitting an error with the following test case:
typedef struct {
short b, c, d, e;
} f;
char g;
f *h;
int i;
void j(void)
{
short k;
for (; i; i++) {
h->b = h->c = h->d = k = 257 * g;
h->e = k;
h++;
}
}
# clang -O2 -mcpu=power9 test.i
fatal error: error in backend: Cannot select: 0x127a99d10: v8i16 = BUILD_VECTOR
Constant:i32<257>, Constant:i32<257>, Constant:i32<257>, Constant:i32<257>,
Constant:i32<257>, Constant:i32<257>, Constant:i32<257>,
Constant:i32<257>
0x127a99c40: i32 = Constant<257>
0x127a99c40: i32 = Constant<257>
0x127a99c40: i32 = Constant<257>
0x127a99c40: i32 = Constant<257>
0x127a99c40: i32 = Constant<257>
0x127a99c40: i32 = Constant<257>
0x127a99c40: i32 = Constant<257>
0x127a99c40: i32 = Constant<257>
In function: j
clang-3.9: error: clang frontend command failed with exit code 70 (use -v to
see invocation)
clang version 5.0.0 (git://github.com/llvm-mirror/clang.git
3c1756a95139610e837bfd6c992d45950f18db75)
(<a href="https://github.com/llvm-mirror/llvm.git">https://github.com/llvm-mirror/llvm.git</a>
40d67727c7971b006a0ccd28a2f8992e22b9ea26)
Target: powerpc64le-unknown-linux-gnu</pre>
</div>
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