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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion failed: (!Is64BitMemOperand(MI, MemOperand)), function EmitOpcodePrefix"
href="http://llvm.org/bugs/show_bug.cgi?id=20909">20909</a>
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</tr>
<tr>
<th>Summary</th>
<td>Assertion failed: (!Is64BitMemOperand(MI, MemOperand)), function EmitOpcodePrefix
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>3.4
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>FreeBSD
</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 assembly language parser
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>llvm@tdprime.fastmail.fm
</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>Created <span class=""><a href="attachment.cgi?id=13020" name="attach_13020" title="C code saved by dump">attachment 13020</a> <a href="attachment.cgi?id=13020&action=edit" title="C code saved by dump">[details]</a></span>
C code saved by dump
This bug is most similar to 12568. However, Jim Grosbach assures me this one
is different and still crashes after the fix (apparently the checkin id is
missing).
$ clang -m32 -c -Wno-pointer-sign -Wno-parentheses-equality -nostdinc
-ffreestanding timpr.c
Assertion failed: (!Is64BitMemOperand(MI, MemOperand)), function
EmitOpcodePrefix, file
/usr/home/timpr/workspace/llvm-3.4.2.src/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp,
line 1102.
Stack dump:
0. Program arguments: /usr/local/bin/clang -cc1 -triple
i386-unknown-freebsd8.4 -emit-obj -mrelax-all -disable-free -main-file-name
timpr.c -mrelocation-model static -mdisable-fp-elim -masm-verbose
-mconstructor-aliases -target-cpu i486 -target-linker-version 2.15
-coverage-file /home/timpr/workspace/main/TOT/usr.src/netscaler/nsppe/timpr.o
-nostdsysteminc -nobuiltininc -resource-dir /usr/local/bin/../lib/clang/3.4.2
-Wno-pointer-sign -Wno-parentheses-equality -fdebug-compilation-dir
/home/timpr/workspace/main/TOT/usr.src/netscaler/nsppe -ferror-limit 19
-fmessage-length 80 -ffreestanding -mstackrealign -fobjc-runtime=gnustep
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o timpr.o -x c
timpr.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'timpr.c'.
4. Running pass 'X86 Assembly / Object Emitter' on function
'@abc_cactor64_vaultbuf_next'
clang: error: unable to execute command: Abort trap: 6
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.4.2 (tags/RELEASE_34/dot2-final)
Target: i386-unknown-freebsd8.4
Thread model: posix</pre>
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