mind-bogglingly clever. Better to let GCC have a go, as it
tries much harder on register allocation, etc.</para>
- <para>At the moment, if you turn on <option>-O</option> you
- get GCC instead. This may change in the future.</para>
-
<para>So, when we want very fast code, we use: <option>-O
-fvia-C</option>.</para>
</listitem>