Re: gcc tricore porting

[Claudio Eterno <eterno.claudio@gmail.com>]

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Hi Michael
in your reply you mentioned "DSP". Do you want to use the DSP instructions
for final assembly?
Michael, based on your experience, how much time is necessary to release
this porting?
And.. have you any idea about where to start?

Ciao
Claudio

Il giorno lun 19 giu 2023 alle ore 16:16 Michael Matz <matz@suse.de> ha
scritto:

> Hello,
>
> On Mon, 19 Jun 2023, Richard Biener via Gcc wrote:
>
> > On Sun, Jun 18, 2023 at 12:00 PM Claudio Eterno via Gcc <gcc@gcc.gnu.org>
> wrote:
> > >
> > > Hi, this is my first time with open source development. I worked in
> > > automotive for 22 years and we (generally) were using tricore series
> for
> > > these products. GCC doesn't compile on that platform. I left my work
> some
> > > days ago and so I'll have some spare time in the next few months. I
> would
> > > like to know how difficult it is to port the tricore platform on gcc
> and if
> > > during this process somebody can support me as tutor and... also if
> the gcc
> > > team is interested in this item...
> >
> > We welcome ports to new architectures.  Quick googling doesn't find me
> > something like an ISA specification though so it's difficult to assess
> the
> > complexity of porting to that architecture.
>
> https://en.wikipedia.org/wiki/Infineon_TriCore
>
> https://www.infineon.com/dgdl/TC1_3_ArchOverview_1.pdf?fileId=db3a304312bae05f0112be86204c0111
>
> CPU part looks like fairly regular 32bit RISC.  DSP part seems quite
> normal as well.  There even was once a GCC port to Tricore, version 3.3
> from HighTec (now part of Infineon itself), but not even the wayback
> machine has the files for that anymore:
>
>
> https://web.archive.org/web/20150205040416/http://www.hightec-rt.com:80/en/downloads/sources.html
>
> Given the age of that port it's probably better to start from scratch
> anyway :)  (the current stuff from them/Infineon doesn't seem to be
> GCC-based anymore?)
>
>
> Ciao,
> Michael.



-- 
Claudio Eterno
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10036 Settimo Torinese (TO)