From: Detlev Zundel <dzu@denx.de>
To: linuxppc-dev@ozlabs.org
Subject: Re: 832x: MATH_EMUL
Date: Fri, 21 Aug 2009 15:16:51 +0200 [thread overview]
Message-ID: <m2k50x8fy4.fsf@ohwell.denx.de> (raw)
In-Reply-To: 1059A1F2-B4AA-48DC-82D6-B26D39414FA4@kernel.crashing.org
Hi Kumar,
> On Aug 21, 2009, at 1:39 AM, Heiko Schocher wrote:
>
>> Hello,
>>
>> I actually porting a mpc8321 based port, and because there is no FPU
>> on this CPU, I activated MATH_EMUL, as all other mpc832x ports did.
>>
>> Is there something like a counter, which counts how many times this
>> Exception occurs?
>
> Geert published some patches that did something like this but there
> isn't upstream as far as I know at this point.
Were there any technical reasons or did it just slip into the cracks?
In my opinion such a counter would be *very* helpful to judge the
performance impact one suffers instead of living in ignorant bliss.
Cheers
Detlev
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu@denx.de
next prev parent reply other threads:[~2009-08-21 13:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-21 6:39 832x: MATH_EMUL Heiko Schocher
2009-08-21 6:55 ` Kumar Gala
2009-08-21 13:16 ` Detlev Zundel [this message]
2009-08-21 13:45 ` Geert Uytterhoeven
2009-08-21 13:59 ` Heiko Schocher
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