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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 - WORDSIZE is incorrectly defined as 64 on Linux SPARC with -mcpu=v9 and -m32"
href="https://bugs.llvm.org/show_bug.cgi?id=49562">49562</a>
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<th>Summary</th>
<td>WORDSIZE is incorrectly defined as 64 on Linux SPARC with -mcpu=v9 and -m32
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Driver
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>glaubitz@physik.fu-berlin.de
</td>
</tr>
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<th>CC</th>
<td>jrtc27@jrtc27.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk, ro@gcc.gnu.org
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<p>
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<pre>Test case:
glaubitz@gcc202:~$ cat test.c
#include <stdio.h>
#include <bits/wordsize.h>
int main () {
#if __WORDSIZE == 32
printf("Hello 32-bit World!\n");
#elif __WORDSIZE == 64
printf("Hello 64-bit World!\n");
#endif
return 0;
}
With gcc:
glaubitz@gcc202:~$ gcc test.c -o test -m32 -mcpu=v9
glaubitz@gcc202:~$ file test
test: ELF 32-bit MSB pie executable, SPARC32PLUS, V8+ Required, total store
ordering, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2,
BuildID[sha1]=e29c566d1d767ede628ff31e5a32df089341caea, for GNU/Linux 3.2.0,
not stripped
glaubitz@gcc202:~$ ./test
Hello 32-bit World!
glaubitz@gcc202:~$
With clang:
glaubitz@gcc202:~$ llvm-project/stage1.install/bin/clang test.c -o test -m32
-mcpu=v9
glaubitz@gcc202:~$ file test
test: ELF 32-bit MSB executable, SPARC32PLUS, V8+ Required, total store
ordering, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2,
for GNU/Linux 3.2.0, not stripped
glaubitz@gcc202:~$ ./test
Hello 64-bit World!
glaubitz@gcc202:~$</pre>
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