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Re: 4.0-rc1 breakage in FPE?

To: Paul Martin <paul.martin@codethink.co.uk>
Subject: Re: 4.0-rc1 breakage in FPE?
From: Måns Rullgård <mans@mansr.com>
Date: Wed, 25 Feb 2015 21:31:43 +0000
Cc: linux-mips@linux-mips.org
In-reply-to: <20150225182048.GC31062@paulmartin.codethink.co.uk> (Paul Martin's message of "Wed, 25 Feb 2015 18:20:48 +0000")
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Paul Martin <paul.martin@codethink.co.uk> writes:

> Some change between 3.19 and 4.0-rc1 has broken the FPE such that some
> code running on an Octeon II is subtly not working.
>
> eg.
>
>   $ echo "1 2" | gawk '{ print $1 }'
>   1 2
>
> which should output (and does output on 3.19)
>
>   $ echo "1 2" | gawk '{ print $1 }'
>   1
>
> I'm going to try bisecting this over the next few days.

Are you running a 32-bit userland?  If so, enabling
MIPS_O32_FP64_SUPPORT should fix this.

-- 
Måns Rullgård
mans@mansr.com

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