<html><body><div><span style="font-size: 13px; font-family: helvetica, sans-serif; ">Bill asked:</span></div><div><br></div><div><span style="font-size: 13px; font-family: helvetica, sans-serif; ">> Sorry to poke my nose in, but I wonder whether this is correct. There's</span></div><div>> no documentation in the ISA to indicate this is expected behavior. I</div><div>> suppose it's possible that there is a specific hardware implementation</div><div>> for G5 that I'm not aware of, but from an ISA standpoint "bl" and "bcl</div><div>> 20" are equivalent.</div><div><br></div><div>I see Kevin already answered. This is the document which first actually</div><div>documented the link stack (if I am not mistaken):</div><div><br></div><div><span style="font-size: 13px; font-family: helvetica, sans-serif; ">http://www.freescale.com/files/32bit/doc/app_note/AN2203.pdf#page=23</span></div><div><span style="font-size: 13px; font-family: helvetica, sans-serif; "><br></span></div><div><span style="font-size: 13px; font-family: helvetica, sans-serif; ">Cheers,</span></div><div><span style="font-size: 13px; font-family: helvetica, sans-serif; "><br></span></div><div><span style="font-size: 13px; font-family: helvetica, sans-serif; "> Gabor</span></div></body></html>