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Re: support of 128 bit long real on linux for ia32
- From: Andreas Jaeger <aj at suse dot de>
- To: Winfrid dot Tschiedel at hpc dot fujitsu-siemens dot com
- Cc: gcc-help at gcc dot gnu dot org, gcc at gcc dot gnu dot org
- Date: Tue, 12 Feb 2002 09:24:05 +0100
- Subject: Re: support of 128 bit long real on linux for ia32
- References: <200202120811.JAA16699@raptor.hpc.siemens.de>
Winfrid Tschiedel <firstname.lastname@example.org> writes:
> I have a small question concerning the support of
> long double on linux ia32 with gcc v3.x
> Now my question, is it true, that the precision for both compilations
> is the same, except that for -m128bit-long-double the result of
> sizeof(long double) is 16, while in the other case sizeof(long double) is 12?
Yes, that's true.
> Do plan to enhance your compiler in order to get
> "long double" in C compatible with real(16) in fortran ?
For such types, we would need a software floating point library doing
the computation and possibly changes to C Library and binutils for
supporting this format. I'm not aware of anybody working on this,
SuSE Labs email@example.com