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PowerPC in_cksum() needs -O

Date: Mon, 21 Sep 2009 16:53:37 -0500
From: joel.sherrill at OARcorp.com (Joel Sherrill)
Subject: PowerPC in_cksum() needs -O

Peter Dufault wrote:
> On Sep 21, 2009, at 5:03 , Joel Sherrill wrote:
>
>   
>> It is probably some less than perfectly specific
>> asm constraint.  Can you check the current
>> BSD source for the implementation?  It may
>> already be fixed.
>>     
>
> There's no asm() in the current FreeBSD one.
>
> The NetBSD one in src/sys/arch/powerp/powerpc/in_cksum.c is totally  
> different.  I will try it when I have some time.
>
>   
Thanks.  It would be good to run ttcp and see the impact
on throughput.  This is a potential impact on throughput.

--joel
> Peter
>
>
>

References:
- Loopback test failing, not returning from rtems_bsdnet_event_receive()
  - From: dufault at hda.com (Peter Dufault)
- Loopback test failing, not returning from rtems_bsdnet_event_receive()
  - From: dufault at hda.com (Peter Dufault)
- PowerPC in_cksum() needs -O (was: Re: Loopback test failing, not returning from rtems_bsdnet_event_receive())
  - From: dufault at hda.com (Peter Dufault)
- PowerPC in_cksum() needs -O
  - From: joel.sherrill at OARcorp.com (Joel Sherrill)
- PowerPC in_cksum() needs -O
  - From: dufault at hda.com (Peter Dufault)

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