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<body><span class="vcard"><a class="email" href="mailto:russell_gallop@sn.scee.net" title="Russell Gallop <russell_gallop@sn.scee.net>"> <span class="fn">Russell Gallop</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - Different encoding using direct object emission"
href="https://llvm.org/bugs/show_bug.cgi?id=22854">bug 22854</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - Different encoding using direct object emission"
href="https://llvm.org/bugs/show_bug.cgi?id=22854#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - Different encoding using direct object emission"
href="https://llvm.org/bugs/show_bug.cgi?id=22854">bug 22854</a>
from <span class="vcard"><a class="email" href="mailto:russell_gallop@sn.scee.net" title="Russell Gallop <russell_gallop@sn.scee.net>"> <span class="fn">Russell Gallop</span></a>
</span></b>
<pre>Thanks for the fix Rafael.
It looks like that has improved the add encoding but I still get longer
encodings for the compare and jump instructions:
test.o: file format elf64-x86-64
Disassembly of section .text:
0000000000000000 <_Z3foov>:
0: 55 push %rbp
1: 48 89 e5 mov %rsp,%rbp
4: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%rbp)
b: 81 7d fc 01 00 00 00 cmpl $0x1,-0x4(%rbp)
12: 0f 84 13 00 00 00 je 2b <_Z3foov+0x2b>
18: e9 00 00 00 00 jmpq 1d <_Z3foov+0x1d>
1d: 8b 45 fc mov -0x4(%rbp),%eax
20: 83 c0 01 add $0x1,%eax
23: 89 45 fc mov %eax,-0x4(%rbp)
26: e9 e0 ff ff ff jmpq b <_Z3foov+0xb>
2b: 5d pop %rbp
2c: c3 retq
I've reopened but can submit this as a separate bug if you think that would be
best.</pre>
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