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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - OpenCL 'char' is not signed"
href="http://llvm.org/bugs/show_bug.cgi?id=15685">15685</a>
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<th>Summary</th>
<td>OpenCL 'char' is not signed
</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>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>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>kalle.raiskila@nokia.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>When compiling OpenCL, the signedness of 'char' is platform dependant (as in
C), whereas the OpenCL spec (ยง6.1.1) defines 'char' to be signed.
check with e.g.:
echo "int foo=(char)0xff;" | clang -x cl - -o - -emit-llvm -S
which compiles on PowerPC to:
@foo = global i32 255, align 4
but, on Intel:
@foo = global i32 -1, align 4</pre>
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</p>
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