<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ARM64:NEON] parentheses required for intrinsics (breaks designated initializers)"
   href="https://bugs.llvm.org/show_bug.cgi?id=43331">43331</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[ARM64:NEON] parentheses required for intrinsics (breaks designated initializers)
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>C
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ndesaulniers@google.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, kristof.beyls@arm.com, llvm-bugs@lists.llvm.org, oliver.stannard@arm.com, richard-llvm@metafoo.co.uk
          </td>
        </tr>

        <tr>
          <th>Blocks</th>
          <td>4068
          </td>
        </tr></table>
      <p>
        <div>
        <pre>See: <a href="https://godbolt.org/z/_DPvSg">https://godbolt.org/z/_DPvSg</a>

Since the intrinsics are implemented as macros (IIRC, gcc implements these as
static inline functions), passing designated initializers to these intrinsics
requires wrapping them in another level of parentheses.  This adds a slight
headache to writing more compiler portable use of ARM NEON code.

Link: <a href="https://github.com/ClangBuiltLinux/linux/issues/641">https://github.com/ClangBuiltLinux/linux/issues/641</a></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_CONFIRMED "
   title="CONFIRMED - [Meta] Compiling the Linux kernel with clang"
   href="https://bugs.llvm.org/show_bug.cgi?id=4068">Bug 4068</a>] [Meta] Compiling the Linux kernel with clang
              </li>
          </ul>
        </div>
        <br>

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