om RAX.</td></tr>
<tr>
<td>80 /3 <em>ib</em></td>
<td>SBB <em>r/m8, imm8</em></td>
<td>MI</td>
<td>Valid</td>
<td>Valid</td>
<td>Subtract with borrow <em>imm8</em> from <em>r/m8.</em></td></tr>
<tr>
<td>REX + 80 /3 <em>ib</em></td>
<td>SBB <em>r/m8*, imm8</em></td>
<td>MI</td>
<td>Valid</td>
<td>N.E.</td>
<td>Subtract with borrow <em>imm8</em> from <em>r/m8.</em></td></tr>
<tr>
<td>81 /3 <em>iw</em></td>
<td>SBB <em>r/m16, imm16</em></td>
<td>MI</td>
<td>Valid</td>
<td>Valid</td>
<td>Subtract with borrow <e