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Re: Using crlibm as the default math library in GCC sources
- From: Richard Sandiford <rsandifo at nildram dot co dot uk>
- To: Uros Bizjak <ubizjak at gmail dot com>
- Cc: GCC <gcc at gcc dot gnu dot org>, Florent de Dinechin <Florent dot de dot Dinechin at ens-lyon dot fr>, christoph dot lauter at ens-lyon dot fr
- Date: Sat, 10 Nov 2007 16:44:42 +0000
- Subject: Re: Using crlibm as the default math library in GCC sources
- References: <4730C1CE.2030300@gmail.com>
Uros Bizjak <ubizjak@gmail.com> writes:
> Forwarded is a short discussion with Mr. de Dinechin (forwarded with
> permission), where the possibility to import crlibm as the default gcc
> math library is discussed. I would like to ask members of the GCC SC for
> the opinion on the idea of adopting crlibm as the default math library.
> This way, the library can be compiled using all knowledge that gcc has
> about the target processor. As hinted in the attached message -
> autovectorization and perhaps recently introduced fixed-point
> infrastructure can be used effectively in the implementation of this
> library, as well as new AMD's FMA instructions.
That sounds like a great idea. Do you know if the SC is already
considering it? Or is it one of those cases where there needs
to be a bit more technical discussion first?
Richard