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Re: [PATCH] sysdeps/arm/armv7/multiarch/memcpy_impl.S: Improve performance.
- From: Will Newton <will dot newton at linaro dot org>
- To: libc-ports at sourceware dot org
- Cc: Patch Tracking <patches at linaro dot org>
- Date: Tue, 27 Aug 2013 08:46:18 +0100
- Subject: Re: [PATCH] sysdeps/arm/armv7/multiarch/memcpy_impl.S: Improve performance.
- Authentication-results: sourceware.org; auth=none
- References: <520894D5 dot 7060207 at linaro dot org>
On 12 August 2013 08:55, Will Newton <will.newton@linaro.org> wrote:
>
> A small change to the entry to the aligned copy loop improves
> performance slightly on A9 and A15 cores for certain copies.
>
> ports/ChangeLog.arm:
>
> 2013-08-07 Will Newton <will.newton@linaro.org>
>
> * sysdeps/arm/armv7/multiarch/memcpy_impl.S: Tighten check
> on entry to aligned copy loop for improved performance.
> ---
> ports/sysdeps/arm/armv7/multiarch/memcpy_impl.S | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Ping?
--
Will Newton
Toolchain Working Group, Linaro