On Sat, Dec 02, 2006 at 10:32:18AM +0000, David Laight wrote:
> 
> Also i386 the inlined code for memcpy() is seriously sub-optimal.
> (you don't want to be doing the 'rep movsb' with cx 0/1/2/3)

We're building the bootblocks with -mtune=i386.  This may have something
to do with the pessimal code selection.  No, I don't know why anyone might
think -mtune=i386 was a good idea, even for reasons of code density i486
should be just as good.

-- 
Thor Lancelot Simon	                                     tls@rek.tjls.com
  "The liberties...lose much of their value whenever those who have greater
   private means are permitted to use their advantages to control the course
   of public debate."					-John Rawls