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<a href="https://gitlab.com/dueno" style="color: #1068bf;">Daiki Ueno</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1642#note_1105636034" style="color: #1068bf;">lib/accelerated/x86/coff/aesni-x86.s</a>:
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2873
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC2873" class="line" lang="armasm"><span class="err" style="color: #a61717; background-color: #e3d2d2;">.</span><span class="nl">L112pic</span><span class="err" style="color: #a61717; background-color: #e3d2d2;">:</span></span>
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC2874" class="line" lang="armasm">      <span class="nb" style="color: #0086b3;">popl</span>    <span class="o" style="font-weight: 600;">%</span><span class="nv" style="color: #008080;">ebx</span></span>
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<td class="new_line diff-line-num" data-linenumber="2875" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC2875" class="line" lang="armasm">      <span class="nb" style="color: #0086b3;">leal</span>    <span class="mf" style="color: #099;">.</span><span class="nv" style="color: #008080;">Lkey_const</span><span class="o" style="font-weight: 600;">-</span><span class="mf" style="color: #099;">.</span><span class="nv" style="color: #008080;">L112pic</span><span class="o" style="font-weight: 600;">(%</span><span class="nv" style="color: #008080;">ebx</span><span class="o" style="font-weight: 600;">),%</span><span class="nv" style="color: #008080;">ebx</span></span>
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<td class="line_content old" style="padding: inherit;" bgcolor="#fbe9eb"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'>-<span id="LC2876" class="line" lang="armasm">      <span class="nb" style="color: #0086b3;">leal</span>    <span class="nv" style="color: #008080;">_<span class="idiff left right deletion" style="background-color: #fac5cd;">_gnutls</span>_x86_cpuid_s</span><span class="o" style="font-weight: 600;">,%</span><span class="nv" style="color: #008080;">ebp</span></span>
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<td class="new_line diff-line-num new" data-linenumber="2876" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: inherit;" align="right" bgcolor="#ddfbe6">
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<td class="line_content new" style="padding: inherit;" bgcolor="#ecfdf0"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'>+<span id="LC2876" class="line" lang="armasm">      <span class="nb" style="color: #0086b3;">leal</span>    <span class="nv" style="color: #008080;">_<span class="idiff left right addition" style="background-color: #c7f0d2;">GNUTLS</span>_x86_cpuid_s</span><span class="o" style="font-weight: 600;">,%</span><span class="nv" style="color: #008080;">ebp</span></span>
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<p dir="auto" style="color: #303030; margin: 0 0 16px;" align="initial">The assembler on macOS seems to add underscore to every external symbol:</p>
<ul dir="auto" style="text-align: initial; list-style-type: disc; margin: 0 0 16px; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;"><a href="https://orangejuiceliberationfront.com/intel-assembler-on-mac-os-x/" rel="nofollow noreferrer noopener" target="_blank" style="color: #1068bf; margin-top: 0;">https://orangejuiceliberationfront.com/intel-assembler-on-mac-os-x/</a></li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;"><a href="https://github.com/dot-asm/cryptogams/blob/master/x86_64/x86_64-xlate.pl#L85" rel="nofollow noreferrer noopener" target="_blank" style="color: #1068bf; margin-top: 0;">https://github.com/dot-asm/cryptogams/blob/master/x86_64/x86_64-xlate.pl#L85</a></li>
</ul>
<p dir="auto" style="color: #303030; margin: 0;" align="initial">I guess it's not a problem as the restriction is at C level, not assembly level.</p>
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