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Re: [PATCH]: Performance improve on ARM memset

From: Phil Blundell <philb at gnu dot org>
To: Min Zhang <mzhang at mvista dot com>
Cc: Daniel Jacobowitz <drow at false dot org>, libc-ports at sources dot redhat dot com
Date: Fri, 31 Oct 2008 12:29:47 +0000
Subject: Re: [PATCH]: Performance improve on ARM memset
References: <4907A78A.30204@mvista.com> <20081029020838.GA4454@caradoc.them.org> <1225277580.3822.7.camel@mill.internal.reciva.com> <490A35B9.1030806@mvista.com>

On Thu, 2008-10-30 at 15:31 -0700, Min Zhang wrote:
> stmia and str+str is also a wash for the following PXA250 on Intel 
> DBPXA26x development platform, so for now the patch doesn't seem make 
> thing worse, but improve omap2430. Also the latest kernel 
> arch/arm/lib/memset.S also uses stmia.

OK.  I guess you should go ahead and check in your patch in that case.
Optimising for arm1136 over XScale is probably the right thing to do
nowadays, anyway.

p.

Follow-Ups:
- Re: [PATCH]: Performance improve on ARM memset
  - From: Min Zhang

References:
- [PATCH]: Performance improve on ARM memset
  - From: Min Zhang
- Re: [PATCH]: Performance improve on ARM memset
  - From: Daniel Jacobowitz
- Re: [PATCH]: Performance improve on ARM memset
  - From: Phil Blundell
- Re: [PATCH]: Performance improve on ARM memset
  - From: Min Zhang

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