Re: Minimal patches for PostgreSQL 7.0b3 on NetBSD/alpha 1.4.1....

I think this had been addressed.

> On Mon, Jun 12, 2000 at 05:39:55PM -0400, Tom Lane wrote:
> > Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > > That was my guess, though his changes were s_lock related. Seems that is
> > > an Alpha mess too.
> >
> > Yes, it sounds like we will need some help from a certified Alpha guru
> > to make spinlock code that works reliably on multi-CPU Alphas :-(.
>
> If you leave the locking code as it is then PostgreSQL will dump core.
>
> If you do not inline the locking code then the registers will not get
> stomped (gcc bug), and PostgreSQL will function properly enough to
> initialize itself and make it through a make install. Simple SQL
> queries work ok, but I never tried anything fancy.
>
> I haven't had the time to write up a test case to send to the GCC people.
> Plus, the other (much larger) set of patches that a Linux/Alpha guy
> wrote up did the same thing my patches did, but differently (-fno-inline
> instead of patching the header file to not be __inline__).
>
> The other change from me was to change the type for locks to be 32 bits
> wide instead of 8 bits wide. All Alphas handle 32 bit quantities
> naturally, but only some can handle 8 or 16 bit quantities. The assembly
> code tries to do locks with 32 bit quantities, it doesn't make sense to
> then try to lock an 8 bit quantity.
>
>
> Guys, my patches are not complex. It doesn't take a guru to handle
> my changes; otherwise I wouldn't have been able to write them.
> --
> Kevin P. Neal http://www.pobox.com/~kpn/
>
> "You know, I think I can hear the machine screaming from here... \
> 'help me! hellpp meeee!'" - Heather Flanagan, 14:52:23 Wed Jun 10 1998
>

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026