From: "Joseph S. Myers" <joseph@codesourcery.com>
To: Marcus Shawcroft <marcus.shawcroft@linaro.org>
Cc: libc-ports <libc-ports@sourceware.org>
Subject: Re: [PATCH] AArch64 compile dbl-64/e_sqrt.c with -ffp-contract=off
Date: Tue, 17 Dec 2013 14:20:00 -0000 [thread overview]
Message-ID: <Pine.LNX.4.64.1312171420110.10125@digraph.polyomino.org.uk> (raw)
In-Reply-To: <CABXK9nccf63UL5G3SJCc+C6oQCWu_iDhG2h8jNa_gM-s5ENCqA@mail.gmail.com>
On Tue, 17 Dec 2013, Marcus Shawcroft wrote:
> This patch fixes the numerical errors in aarch64 sqrt() due to the
> compilers use of fnmsub (negated fused multiply-subtract).
>
> Previous thread:
> https://sourceware.org/ml/libc-alpha/2013-12/msg00473.html
>
> I'll leave this on the list for 24 hours before committing to give
> folks the opportunity to comment on the (in)appropriateness of my
> solution...
The source file in question is architecture-independent, so the makefile
change should also be architecture-independent (i.e. in
sysdeps/ieee754/dbl-64/Makefile).
--
Joseph S. Myers
joseph@codesourcery.com
prev parent reply other threads:[~2013-12-17 14:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-17 13:17 Marcus Shawcroft
2013-12-17 14:20 ` Joseph S. Myers [this message]
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