[Gcl-devel] Re: atlas3 on hppa: unexpected reloc type

[Camm Maguire]

Greetings!  I'm cc'ing this to the Debian parisc experts as they are
best qualified to answer your 'is it worth it' question.  My guess is
probably no, unless it is simply a matter of defining ATL_prefetch as
the correct asm in some file, adding the 2.0 abi to the CFLAGS, and
retiming.   If it is any more work than this I suggest we wait until
there is someone actually requesting it :-).

Take care,

address@hidden (R Clint Whaley) writes:

> Camm,
> 
> OK, I was about to reply that the only PA-RISC machine I have access to
> is a decade old, but turns out HP has kept compaq's testdrive, and so
> I have managed to get access to some more modern machines.
> 
> However, the question I have is, does anyone care?  I cannot
> find a single addressable PA-RISC tech document on HP's website.  They
> are switching to the Itanium for the future, and I am unaware of legions
> of people using PA-RISC machines (though I've had a couple write in for
> help).  So, does it make sense to spend a lot of time on this arch, given
> that it appears to be a dead end? 
> 
> Obviously, ATLAS can be installed on the machines, so the question is not one
> of whether it's possible, but whether it is worth time to make it easy,
> create defaults, look for speedups, etc . . .
> 
> >Atlas has a well developed facility for using C macros to call various
> >flavors of prefetch via __asm__ statements.  This is at least used in
> >this manner on i386 and powerpc, on which gcc also does not emit such
> >instructions.   Not that this warrants any immediate work, but my
> >understanding is that some speedup of l1 and l2 in particular could be
> >had with minimal labor. 
> 
> Maybe someone wants to point me at the techdoc that addresses these 
> extensions,
> and while you are at it, docs that describe everything else, since I can't
> find it?
> 
> Cheers,
> Clint
> 
> 
> 

-- 
Camm Maguire                                            address@hidden
==========================================================================
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah