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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - MMA - crash when ArgPromotion promotes pointer to quad/pair types"
href="https://bugs.llvm.org/show_bug.cgi?id=49952">49952</a>
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<th>Summary</th>
<td>MMA - crash when ArgPromotion promotes pointer to quad/pair types
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>release blocker
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>saghir.ibm@gmail.com
</td>
</tr>
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>Minimal test case:
static void __attribute__((noinline)) print_acc(__vector_quad *a) {
vector unsigned char a0[4];
__builtin_mma_disassemble_acc((void *)(a0), a);
print_values(a0[0]);
}
void test(__vector_quad *a, vector unsigned char ac) {
__builtin_mma_xvf32ger(a, ac, ac);
print_acc(a);
}
To reproduce:
clang -O3 -mcpu=pwr10 t.c -S</pre>
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