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Re: ARM: non-NEON ARMv7 support broken?
- From: Siddhesh Poyarekar <siddhesh dot poyarekar at gmail dot com>
- To: guillaume dot gardet at free dot fr
- Cc: libc-ports at sourceware dot org
- Date: Mon, 25 Nov 2013 15:59:03 +0530
- Subject: Re: ARM: non-NEON ARMv7 support broken?
- Authentication-results: sourceware.org; auth=none
- References: <529325AC dot 2020406 at free dot fr>
On 25 November 2013 15:55, Guillaume Gardet <guillaume.gardet@free.fr> wrote:
> Hi,
>
> we (openSUSE ARM team) have problems with glibc 2.18 on ARMv7 boards (Mirabox and Tegra 2 tablet) which are not NEON capable. We have no problem on Beagleboard xM or pandaboard wich have NEON capable SoC.
>
> Apparently, NEON instructions are used in glibc and lead to invalid instruction errors.
>
> Reverting to glibc 2.17 from previous openSUSE version fixes the problems.
>
> Is there anything we missed between 2.17 and 2.18?
>
> Should glibc detect NEON capable CPU at run time?
That sounds like:
https://sourceware.org/bugzilla/show_bug.cgi?id=15905
Siddhesh
--
http://siddhesh.in