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Re: Torbjorn's ieeelib.c
- From: Aldy Hernandez <aldyh at redhat dot com>
- To: Mark Mitchell <mark at codesourcery dot com>
- Cc: Richard Henderson <rth at redhat dot com>, Anthony Green <green at redhat dot com>, gcc mailing list <gcc at gcc dot gnu dot org>, "Joseph S. Myers" <joseph at codesourcery dot com>
- Date: 01 Dec 2005 10:04:53 -0400
- Subject: Re: Torbjorn's ieeelib.c
- References: <438BB76E.8070905@codesourcery.com> <1133296590.3187.9.camel@localhost.localdomain> <438CBD3C.8070901@codesourcery.com> <20051129210123.GA21961@redhat.com> <438CC371.5010507@codesourcery.com>
>>>>> "Mark" == Mark Mitchell <mark@codesourcery.com> writes:
> Richard Henderson wrote:
>> The glibc bits handle ieee quad format, whereas I don't believe
>> that Torbajorn's does. I don't recall if Torbajorn's code allows
>> for emulation of all rounding modes or exception bits.
> I believe it does not.
>> But I suspect that Torbajorn's code compiles down smaller, which
>> is likely to be helpful to the folk that actually need it.
> I think both size and speed are important, but, yes, size is an issue.
> I would certainly expect that many embedded users would want to be able
> to disable rounding-mode and/or exception support to save code size,
> although there are probably also users that would make use of support
> for these features.
Torbajorn's code does not handle rounding/expection.