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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 - [r600g] Emulate fp64 OpenCL operations using integer arithmetic"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=93466">93466</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[r600g] Emulate fp64 OpenCL operations using integer arithmetic
          </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>enhancement
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>Drivers/Gallium/r600
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dri-devel@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>rivanvx@gmail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>dri-devel@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>For teaching and demonstration purposes it would be cool to have emulated fp64
arithmetic on low-end Evergreen and Northern Islands chips which don't support
it (e.g. Caicos). However slow it might end up being, it would be really useful
to have it at least for teaching GPU computing.

glennk, iive and others discussed this in #radeon on 2015-09-13:
<a href="http://people.freedesktop.org/~cbrill/dri-log/?channel=radeon&highlight_names=&date=2015-09-13">http://people.freedesktop.org/~cbrill/dri-log/?channel=radeon&highlight_names=&date=2015-09-13</a></pre>
        </div>
      </p>
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