From: Markus Wichmann <nullplan@gmx.net>
To: musl@lists.openwall.com
Subject: Re: [PATCH] PPC64 IEEE128 bit FP support
Date: Fri, 26 Oct 2018 06:28:29 +0200 [thread overview]
Message-ID: <20181026042829.GB28637@voyager> (raw)
In-Reply-To: <CAGWvnymu1LTcMPxZ+CtBjnhByjusrzqxHgw-epgRPuv+XMpsEA@mail.gmail.com>
On Thu, Oct 25, 2018 at 03:12:51PM -0400, David Edelsohn wrote:
> The IBM Power9 processor adds support for IEEE 754 quad precision 128
> binary floating point. The attached patch from my colleague should
> enable the basic support. musl never has supported the IBM long
> double floating point format. The patch only enables musl long double
> support when built with and used with a toolchain that enables IEEE
> 128 bit FP.
>
> Any suggestions on how to transition this support in musl?
>
> Thanks, David
>
> P.S. A Power9 system now is available in the GNU Compile Farm.
Now you just need to look through all the maths code to find all the
places that need changing. __floatscan() comes to mind immediately. And
I don't know if any of the libm functions needs adjustment for this new
format.
Ciao,
Markus
next prev parent reply other threads:[~2018-10-26 4:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-25 19:12 David Edelsohn
2018-10-25 19:50 ` Rich Felker
2018-10-26 4:28 ` Markus Wichmann [this message]
2018-10-26 13:01 ` Szabolcs Nagy
2018-11-02 16:13 ` Rich Felker
2018-11-02 17:32 ` David Edelsohn
2018-11-02 17:55 ` Szabolcs Nagy
2018-11-02 18:00 ` David Edelsohn
2018-11-02 19:06 ` Rich Felker
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