s make a brief analysis of
the prefetch flow on complex instructions<span style="mso-spacerun: yes"> 
</span>(opcodes with at least one extension word).</p>

<p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></p>

<p class=MsoNormal>When a complex instruction starts, its first extension word
is already in IRC. During the instruction processing more fetch cycles are
performed. Unless the instruction performs a branch, the number of fetch cycles
is always exactly the same as th