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<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2>Hi,</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>I am deriving my
code from SBC8260, for my custom MPC8260 board.</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>After much trial and
error I found out that the u-boot code for our board did not work properly for
</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>any gcc compiler
options except for -O0 (no optimizations). </FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>For other options
such as -Os and -O3 it boots up inconsistently </FONT></SPAN><SPAN
class=656570815-19012007><FONT face=Arial size=2>(sometimes it boots up and
some other </FONT></SPAN><SPAN class=656570815-19012007><FONT face=Arial
size=2>times it does not! ).</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>With no optimization
I notice the booting-up is visibly slow.</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>I would like to know
how to optimize for speed without affecting the booting-up.</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>Also could you
direct me to some link/guide to code optimizations on PPC
processors?</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial size=2>Thanks for your
time,</FONT></SPAN></DIV>
<DIV><SPAN class=656570815-19012007><FONT face=Arial
size=2>Raghuveer</FONT></SPAN></DIV></BODY></HTML>