 /1</td>
<td>DEC <em>r/m32</em></td>
<td>M</td>
<td>Valid</td>
<td>Valid</td>
<td>Decrement <em>r/m32</em> by 1.</td></tr>
<tr>
<td>REX.W + FF /1</td>
<td>DEC <em>r/m64</em></td>
<td>M</td>
<td>Valid</td>
<td>N.E.</td>
<td>Decrement <em>r/m64</em> by 1.</td></tr>
<tr>
<td>48+rw</td>
<td>DEC <em>r16</em></td>
<td>O</td>
<td>N.E.</td>
<td>Valid</td>
<td>Decrement <em>r16</em> by 1.</td></tr>
<tr>
<td>48+rd</td>
<td>DEC <em>r32</em></td>
<td>O</td>
<td>N.E.</td>
<td>Valid</td>
<td>Decrement <em>r32</em> by 1.<