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      <base href="https://bugs.freedesktop.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GPU hang in piglit.shaders.glsl-max-varyings >max_varying_components"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=100543">100543</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>GPU hang in piglit.shaders.glsl-max-varyings >max_varying_components
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Drivers/DRI/i965
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>notasas@gmail.com
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mark.a.janes@intel.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>mattst88@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Apparently triggered by:

a6a38a038bd62e6d9558905f00bef81b5e7e6fcc
Author:     Grazvydas Ignotas <<a href="mailto:notasas@gmail.com">notasas@gmail.com</a>>
Commit:     Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>

util/u_atomic: provide 64bit atomics where they're missing

There are still some distributions trying to support unfortunate people
with old or exotic CPUs that don't have 64bit atomic operations. When
compiling for such a machine, gcc conveniently inserts a library call to
a helper, but it's implementation is missing and we get a linker error.
This allows us to provide our own implementation, which is marked weak
to prefer a better implementation, should one exist.

v2: changed copyright, some style adjustments
v3: [mattst88] Print results with AC_MSG_CHECKING/AC_MSG_RESULT

Bugzilla: <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - mesa fails to check for gcc atomic primitives before using them"
   href="show_bug.cgi?id=93089">https://bugs.freedesktop.org/show_bug.cgi?id=93089</a>
Signed-off-by: Grazvydas Ignotas <<a href="mailto:notasas@gmail.com">notasas@gmail.com</a>>
Reviewed-by: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>></pre>
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