<html>
<head>
<base href="http://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - ICE with 64-bit __sync_val_compare_and_swap on ARM"
href="http://llvm.org/bugs/show_bug.cgi?id=17045">17045</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ICE with 64-bit __sync_val_compare_and_swap on ARM
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.2
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>alex@lycus.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The code triggering the bug:
unsigned long long int i;
int main() {
__sync_val_compare_and_swap (&i, 0, 0);
}
Result:
Stack dump:
0. Program arguments: /usr/bin/clang -cc1 -triple
armv4t-unknown-linux-gnueabi -S -disable-free -disable-llvm-verifier
-main-file-name test.c -mrelocation-model static -mdisable-fp-elim -fmath-errno
-mconstructor-aliases -fuse-init-array -target-abi aapcs-linux -target-cpu
arm7tdmi -msoft-float -mfloat-abi soft -target-feature +soft-float
-target-feature +soft-float-abi -target-feature -neon -target-linker-version
2.23.52.20130620 -momit-leaf-frame-pointer -resource-dir
/usr/bin/../lib/clang/3.2 -fmodule-cache-path /var/tmp/clang-module-cache
-internal-isystem /usr/local/include -internal-isystem
/usr/bin/../lib/clang/3.2/include -internal-isystem
/usr/include/clang/3.2/include/ -internal-externc-isystem
/usr/include/arm-linux-gnueabi -internal-externc-isystem
/usr/include/arm-linux-gnueabi -internal-externc-isystem /usr/include
-fno-dwarf-directory-asm -fdebug-compilation-dir /home/zor/tests -ferror-limit
19 -fmessage-length 125 -mstackrealign -fno-signed-char -fobjc-runtime=gcc
-fdiagnostics-show-option -fcolor-diagnostics -o /tmp/test-H4cbps.s -x c test.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'test.c'.
4. Running pass 'ARM Instruction Selection' on function '@main'
clang: error: unable to execute command: Segmentation fault
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
Debian clang version 3.2-10 (tags/RELEASE_32/final) (based on LLVM 3.2)
Target: arm-unknown-linux-gnueabi
Thread model: posix</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>