<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJylU8FymzAQ_Rq47NQDwphw4ODEtdOZeppJ02luHgmtQa1AjFbYzd93TUhzaC5pGYZd6c2-fQ-tlNNP1W77WIJ2SNC7AK08ITxcryOxfdivoZPDgBqCg6-7u3ugQdYIagwQWiQEj42hgJ5AegR5ksZKZRFORkKDgWHmoSkB01PwYx2M62kBGzyaHoGeOuWsqaGXHSs4Ov8XM_fGfmJlxHgYGZUE1Lpzz6SAv2Q3WC5WaN05ytZRsomS-Qv80OFZykFlAkhE4gba8yTt6vb74f7j7sB-D5-_RKJ8b9Htp_cW7f-l037uFOsq02VWyliOoXW-0oNHp7yMR2-rNoSBLv7Flt_GhHZUi9p1vLD29BI-DN79wDrw0hCNSJzkWZaVcVvVicbVCvOVFAVHXebpUeZFnpa6KGSiYj5dtFRF-XUkhJL1T-w1d1zvN7u7b7x1Ec-hqy95von_X5SpRCJEkoo0XS6vRLpYoi5yUdc6xULm5TJaJtjx3C0uPAvnm9hXE6UaG2LQ8hjRKyiJTNMjzh5efuCsN5hgJ2h2lG843988x8tF4QzWWr81t6-X5s_sxpOZanLyG2wdFPY>53339</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [AMDGPU][MC][GFX9] Add symbolic names for TBA/TMA registers
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            backend:AMDGPU,
            mc
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
            dpreobra
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          dpreobra
      </td>
    </tr>
</table>

<pre>
    GFX9 does not have TBA/TMA mapped to SGPR space but these registers are available via getreg/setreg instructions. Define symbolic names for these registers to enable their use as shown in examples below:

    s_getreg_b32 s2, hwreg(HW_REG_TBA_LO)
    s_getreg_b32 s2, hwreg(HW_REG_TBA_HI)
    s_getreg_b32 s2, hwreg(HW_REG_TMA_LO)
    s_getreg_b32 s2, hwreg(HW_REG_TMA_HI)
</pre>
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