From: "Joseph S. Myers" <joseph@codesourcery.com>
To: Roland McGrath <roland@hack.frob.com>
Cc: <libc-ports@sourceware.org>
Subject: Re: [PATCH roland/arm-hwcap-vfp] don't use HWCAP_ARM_* in OS-independent code
Date: Thu, 09 Aug 2012 18:49:00 -0000 [thread overview]
Message-ID: <Pine.LNX.4.64.1208091848210.21255@digraph.polyomino.org.uk> (raw)
In-Reply-To: <20120809171033.CC7D32C0FD@topped-with-meat.com>
On Thu, 9 Aug 2012, Roland McGrath wrote:
> > __VFP_FP__ doesn't mean "generating VFP instructions", it means
> > "floating-point types have VFP layout" (i.e. normal IEEE floating-point
> > with the same byte ordering / endianness as integer types, as opposed to
> > FPA format), which is always true for EABI. The relevant test for
> > "generating VFP instructions" is defined __VFP_FP__ && !defined __SOFTFP__
> > (which can be simplified to just !defined __SOFTFP__ given that EABI is
> > assumed).
>
> Thanks for the explanation. I've changed the conditionals. On further
> reflection I also decided that using ldsodefs.h was just too ugly and I've
> added an arm-features.h instead.
>
> How does this look now?
This version is OK.
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2012-08-09 18:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-08 23:59 Roland McGrath
2012-08-09 11:16 ` Joseph S. Myers
2012-08-09 17:10 ` Roland McGrath
2012-08-09 17:21 ` Carlos O'Donell
2012-08-09 18:47 ` Joseph S. Myers
2012-08-09 18:50 ` Roland McGrath
2012-08-09 18:49 ` Joseph S. Myers [this message]
2012-08-09 19:44 ` Roland McGrath
2012-08-09 15:17 ` Richard Henderson
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