From: Paul Zimmermann <Paul.Zimmermann@inria.fr>
To: joel@rtems.org
Cc: newlib@sourceware.org, christoph.lauter@christoph-lauter.org,
sibid@uvic.ca, Jean-Michel.Muller@ens-lyon.fr
Subject: Re: correctly rounded mathematical functions
Date: Tue, 04 Jan 2022 16:44:54 +0100 [thread overview]
Message-ID: <mw5yqzo689.fsf@tomate.loria.fr> (raw)
In-Reply-To: <CAF9ehCU9V6Z0P9Vuz7E8JKV=zNRScPs2Li5LmX1ajqUZQxDydw@mail.gmail.com> (message from Joel Sherrill on Tue, 4 Jan 2022 09:23:01 -0600)
Hi Joel,
> How is binary128 implemented on target CPUs without native support?
> Is this something GCC will include soft methods for?
we use the _Float128 type. For internal computations we avoid it as much as
possible, using integer types, which yields a speedup of up to 10 with respect
to the glibc code.
> I didn't expect anything too fancy. Will they compile with -std=c99, c11? newlib
> generally provides all methods but the header file guards protect the prototype
> visibility.
I'll check if the code compiles with -std=c99, c11.
Best regards,
Paul
next prev parent reply other threads:[~2022-01-04 15:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-03 12:57 Paul Zimmermann
2022-01-03 20:41 ` Joel Sherrill
2022-01-04 9:44 ` Paul Zimmermann
2022-01-04 15:23 ` Joel Sherrill
2022-01-04 15:44 ` Paul Zimmermann [this message]
2022-01-04 18:01 ` Jeff Johnston
2022-01-05 10:33 ` Paul Zimmermann
2022-01-04 18:50 ` Keith Packard
2022-01-05 11:39 ` Paul Zimmermann
2022-01-05 19:00 ` Joel Sherrill
2022-01-06 10:12 ` Paul Zimmermann
2022-01-06 14:51 ` Joel Sherrill
2022-01-06 15:33 ` Paul Zimmermann
2022-01-05 19:43 ` Keith Packard
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