[Mono-dev] Mono Port to Tilera Tile-GX

Rodrigo Kumpera kumpera at gmail.com
Sat Jul 14 23:09:32 UTC 2012

Sorry for the confusion, there are many articles out there that indicated

Anyway, feel free to ask questions either here or on irc.

How exciting will it be to have mono working on one of those 100 cores cpus!


On Sat, Jul 14, 2012 at 7:10 PM, Braddock Gaskill (Contractor) <
braddock.gaskill at apx-labs.com> wrote:

>  Thanks Rodrigo.
> The Tilera TILE-Gx is not really based on MIPS (I have seen that stated
> elsewhere).  It is a fairly exotic 64-bit VLIW architecture which has its
> origins from MIT research in the '90s.  We are doing the port more or less
> from scratch.
> The TILE-Gx instruction set architecture is documented here if you are
> interested:
> http://www.tilera.com/scm/docs/UG401-ISA.pdf
> Braddock Gaskill
>  ------------------------------
> *From:* Rodrigo Kumpera [kumpera at gmail.com]
> *Sent:* Saturday, July 14, 2012 10:51 AM
> *To:* Braddock Gaskill (Contractor)
> *Cc:* mono-devel-list at lists.ximian.com
> *Subject:* Re: [Mono-dev] Mono Port to Tilera Tile-GX
>  Hi Braddock,
>  Those are great news!
>  Yes you can handle that by specifying in the machine that the float
> operations to use integer registers.
>  By the way, Tilera's a MIPS based CPU right? So, please avoid breaking
> regular MIPS with your
> changes to make it easier to merge your patches.
>  Cheers,
> Rodrigo
> On Sat, Jul 14, 2012 at 2:06 PM, Braddock Gaskill (Contractor) <
> braddock.gaskill at apx-labs.com> wrote:
>>  Hello Mono Community,
>> We are working on a port of Mono to Tilera's Tile-GX 100-core CPU.
>> I have a question about the register allocator.  The Tile-GX does not
>> have separate floating point registers - floating point operations use the
>> 55 64-bit general-purpose registers.  As far as I can tell all other Mono
>> architectures have separate floating point registers.
>> Is the register allocator able to accommodate using general-purpose
>> registers for floating point operations?  Do I simply specify src1:i
>> instead of src1:f in the machine description file?
>> Thanks,
>> Braddock Gaskill
>> _______________________________________________
>> Mono-devel-list mailing list
>> Mono-devel-list at lists.ximian.com
>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
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