Re: CVS commit: src/sys/lib/libsa

[David Laight <david%l8s.co.uk@localhost>]

On Wed, Mar 26, 2008 at 09:42:42PM +0000, Christos Zoulas wrote:
> >
> >Stuff for boot/bootxx often uses STANDALONE
> 
> If size is important it should also be compiled with -Os, and then
> __OPTIMIZE_SIZE__ is defined. If you don't care about size, you are
> not using -Os, and you get speed instead :-) It seems that some part
> of the boot code does not use -Os, so I assume it does not care about
> size.

I don't think you can use __OPTIMIZE_SIZE__ in .S files, and the libc
functions (in libkern) always use the .S versions in preference to the
.c ones. The 'optimised' .S versions are larger than the .c ones
(although it is trivially possible to write much smaller .S ones).

        David

-- 
David Laight: david%l8s.co.uk@localhost