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Re: Adding "soft-fp" support to a new target

From: David Edelsohn <dje dot gcc at gmail dot com>
To: Rathish C <Rathish dot C at kpitcummins dot com>
Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: 2010年5月17日 13:27:54 -0400
Subject: Re: Adding "soft-fp" support to a new target
References: <371569CBCFB2E745B891DBB88B2DFDDD19CA199959@KCINPUNHJCMS01.kpit.com> <AANLkTilJcCgqtTNbHApVVdwtohyHZ8m4gQyUJSMc87_V@mail.gmail.com> <371569CBCFB2E745B891DBB88B2DFDDD19CA35D786@KCINPUNHJCMS01.kpit.com>

On Mon, May 17, 2010 at 9:08 AM, Rathish C <Rathish.C@kpitcummins.com> wrote:
> But still the soft-fp routines are not getting used. Do we need to specify
> any configure options to gcc?
>
> Also, please let me know the name of library built for soft-fp and how to
> verify that the soft-fp files are compiled and linked with the gcc executable?
The soft-fp functions are included in libgcc. I believe the functions
only are invoked if named patterns for the operations do not exist in
the machine description or the named patterns report the operation as
unsupported in hardware through the FAIL code path.
David

References:
- Adding "soft-fp" support to a new target
  - From: Rathish C
- Re: Adding "soft-fp" support to a new target
  - From: David Edelsohn
- RE: Adding "soft-fp" support to a new target
  - From: Rathish C

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