<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </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 --- - [mc][gfx8] No checks for ADDC/SUBB/V_CNDMASK source operand restrictions"
   href="https://llvm.org/bugs/show_bug.cgi?id=30829">30829</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[mc][gfx8] No checks for ADDC/SUBB/V_CNDMASK source operand restrictions
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libraries
          </td>
        </tr>

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

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

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

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

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

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

        <tr>
          <th>Component</th>
          <td>Backend: AMDGPU
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>artem.tamazov@amd.com
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>i.am.perminov@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>andrey.kasaurov@gmail.com, artem.tamazov@amd.com, i.am.perminov@gmail.com, llvm-bugs@lists.llvm.org, nikolay.haustov@amd.com, sam.kolton@amd.com, valery.pykhtin@gmail.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>SGPR, M0, EXEC or literal constant are not allowed for ADDC/SUBB/V_CNDMASK
instructions. Still assembler allows illegal encodings like:

v_addc_u32 v40, vcc, s49, 0, vcc</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>