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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 - prefetch instruction is not accepted in inline asm, sparc"
href="https://bugs.llvm.org/show_bug.cgi?id=34226">34226</a>
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<th>Summary</th>
<td>prefetch instruction is not accepted in inline asm, sparc
</td>
</tr>
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<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>Sun
</td>
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<th>OS</th>
<td>Solaris
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>alexander.kirov@oracle.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
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<pre>Consider the code sample:
] cat prefetch.cpp
void _Prefetch_read (void *loc, int interval) {
__asm__ volatile
("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
}
int main() {
int * i = new int[10];
_Prefetch_read(i, 5);
return 0;
}
] clang++ prefetch.cpp
prefetch.cpp:3:8: error: invalid instruction mnemonic
("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
^
<inline asm>:1:2: note: instantiated into assembly here
prefetch [%i0+%i1], 0
^
1 error generated.
] g++ prefetch.cpp
] a.out
] CC prefetch.cpp
] a.out</pre>
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