e as sigtype</td></tr><tr><td><code class="mendoza-code">sl</code></td><td><code class="mendoza-code">(sl dest lhs rhs)</code></td><td>$dest = $lhs &lt;&lt; $rhs</td></tr><tr><td><code class="mendoza-code">slim</code></td><td><code class="mendoza-code">(slim dest lhs shamt)</code></td><td>$dest = $lhs &lt;&lt; shamt</td></tr><tr><td><code class="mendoza-code">sr</code></td><td><code class="mendoza-code">(sr dest lhs rhs)</code></td><td>$dest = $lhs &gt;&gt; $rhs</td></tr><tr><td><code class="mendoza-code">s