Re: 8.0 beta 1 on linux-mipsel R5900

Tom Lane <tgl@sss.pgh.pa.us> writes:

> Chris <list@1006.org> writes:
> > I've compiled 8.0 beta 1 on a R5900 V3.1 (a playstation 2) running
> > Linux (PS2 Linux 1) for portability testing.
> > ...
> > I'm wondering: would it be hard to fix the assembly spinlock code
> > for the R5900?
> 
> According to the previous port report from Red Hat, the PS2 chip simply
> doesn't have any user-space TAS instruction, so you're pretty much stuck.
> If you can find something that works, let us know.

Out of curiosity. If it lacks a tas instruction, is there really any smp
implementation that runs on it? Why would postgres want spinlocks at all with
only one processor?


-- 
greg