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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - lea rdx, [rax - one] adds one instead of subtracts when one is a symbol that has been .set"
href="https://bugs.llvm.org/show_bug.cgi?id=33667">33667</a>
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<th>Summary</th>
<td>lea rdx, [rax - one] adds one instead of subtracts when one is a symbol that has been .set
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>4.0
</td>
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<th>Hardware</th>
<td>Macintosh
</td>
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<th>OS</th>
<td>MacOS X
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>mike.benfield@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>In the following example, I would expect both registers rsi and rdx to contain
0, but that is not the case.
$ cat trash.s
.intel_syntax noprefix
.set one, 1
.text
.global _main
_main:
mov rax, 1
lea rsi, [rax - 1]
lea rdx, [rax - one]
lea rdi, [rip + fstring]
sub rsp, 8
call _printf
add rsp, 8
ret
.data
fstring:
.asciz "%d, %d\n"
$ clang trash.s
$ ./a.out
0, 2</pre>
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