From: David Daney <ddaney.cavm@gmail.com>
To: "Måns Rullgård" <mans@mansr.com>
Cc: Paul Martin <paul.martin@codethink.co.uk>, linux-mips@linux-mips.org
Subject: Re: 4.0-rc1 breakage in FPE?
Date: Wed, 25 Feb 2015 13:40:04 -0800 [thread overview]
Message-ID: <54EE4134.2050501@gmail.com> (raw)
In-Reply-To: <yw1xh9u97k5c.fsf@unicorn.mansr.com>
On 02/25/2015 01:31 PM, Måns Rullgård wrote:
> 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.
>>
Can you say where your userspace comes from, so we can try to reproduce
the issue?
>> 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.
??
32-bit userland (Debian for instance) typically shouldn't need special
"Exprimental" config options enabled.
If we can identify the offending patch, we should revert it.
David Daney
next prev parent reply other threads:[~2015-02-25 21:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-25 18:20 4.0-rc1 breakage in FPE? Paul Martin
2015-02-25 21:30 ` Måns Rullgård
2015-02-25 21:31 ` Måns Rullgård
2015-02-25 21:40 ` David Daney [this message]
2015-02-25 21:48 ` Måns Rullgård
2015-02-26 11:29 ` Måns Rullgård
2015-02-27 10:53 ` Paul Martin
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