[TESTING]: boot2 compilation with -mregparm=3

[Roman Divacky]

On Sun, Mar 20, 2011 at 08:41:04PM +0100, Fabian Keil wrote:
> Roman Divacky <rdivacky at freebsd.org> wrote:
> 
> > This patch:
> > 
> > 
> >         http://lev.vlakno.cz/~rdivacky/boot2-mregparm.patch
> > 
> > 
> > makes boot2 to be compiled with -mregparm=3 (which shrinks it
> > some). It changes CFLAGS to include -mregparm=3 and also
> > rewrites sio.S to use register passing.
> > 
> > This survived my testing in qemu and jhb at s review.
> 
> Works for me on amd64 with gcc, but I don't use either
> a serial console or gptboot/zfsboot.

thank you for testing, although I really need someone to test
this on serial console {gpt,zfs}boot

it seems to work for me and fail for the other tester so I
really dont know what to think

roman