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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Backport fixes for variadic calling conventions for Windows on AArch64"
href="https://bugs.llvm.org/show_bug.cgi?id=49988">49988</a>
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<th>Summary</th>
<td>Backport fixes for variadic calling conventions for Windows on AArch64
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: AArch64
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>martin@martin.st
</td>
</tr>
<tr>
<th>CC</th>
<td>arnaud.degrandmaison@arm.com, llvm-bugs@lists.llvm.org, maxim.kuvyrkov@gmail.com, rnk@google.com, smithp352@googlemail.com, Ties.Stuij@arm.com
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<th>Blocks</th>
<td>49317
</td>
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<div>
<pre>The following commits contain fixes for the calling convention for variadic
functions on Windows on AArch64, that could be considered for backporting to
12.0.1:
commit 3637c5c8ec3d4dc0b87eb4e3ee9c9ae8816cade2
Author: Martin Storsjö <<a href="mailto:martin@martin.st">martin@martin.st</a>>
Date: Sun Apr 11 12:38:40 2021 +0300
[clang] [AArch64] Fix Windows va_arg handling for larger structs
commit 5144f730a8a8a4c7c7984ff945187a9aa83c91ac
Author: Martin Storsjö <<a href="mailto:martin@martin.st">martin@martin.st</a>>
Date: Sat Apr 10 07:40:33 2021 +0300
[AArch64] Fix windows vararg functions with floats in the fixed args
commit 8e0f2e89ff951c74875ed751e2215cc263b33328
Author: Martin Storsjö <<a href="mailto:martin@martin.st">martin@martin.st</a>>
Date: Wed Apr 14 13:45:09 2021 +0300
[clang] [AArch64] Fix handling of HFAs passed to Windows variadic functions
The second one doesn't apply cleanly to the 12.x branch right now though.</pre>
</div>
</p>
<div id="referenced">
<hr style="border: 1px dashed #969696">
<b>Referenced Bugs:</b>
<ul>
<li>
[<a class="bz_bug_link
bz_status_NEW "
title="NEW - [meta] 12.0.1 Release Blockers"
href="https://bugs.llvm.org/show_bug.cgi?id=49317">Bug 49317</a>] [meta] 12.0.1 Release Blockers
</li>
</ul>
</div>
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