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Re: soft-fp functions support without using libgcc
- From: Ian Lance Taylor <iant at google dot com>
- To: Sheheryar Zahoor Qazi <sheheryar dot zahoor dot qazi at gmail dot com>
- Cc: GCC Development <gcc at gcc dot gnu dot org>, Chung-Ju Wu <jasonwucj at gmail dot com>
- Date: Fri, 16 May 2014 07:12:25 -0700
- Subject: Re: soft-fp functions support without using libgcc
- Authentication-results: sourceware.org; auth=none
- References: <CANOiJWLsqPSyeCz3EkvYH4OWZrkC1KttqJ_jrQiwUMPFgh64XA at mail dot gmail dot com>
On Fri, May 16, 2014 at 6:34 AM, Sheheryar Zahoor Qazi
> I am trying to provide soft-fp support to a an 18-bit soft-core
> processor architecture at my university. But the problem is that
> libgcc has not been cross-compiled for my target architecture and some
> functions are missing so i cannot build libgcc.I believe soft-fp is
> compiled in libgcc so i am usable to invoke soft-fp functions from
> It is possible for me to provide soft-fp support without using libgcc.
> How should i proceed in defining the functions? Any idea? And does any
> archoitecture provide floating point support withoput using libgcc?
I'm sorry, I don't understand the premise of your question. It is not
necessary to build libgcc before building libgcc. That would not make
sense. If you have a working compiler that is missing some functions
provided by libgcc, that should be sufficient to build libgcc.