[PATCH 0/3] Improved string comparison routines for aarch64

Corinna Vinschen vinschen@redhat.com
Fri Jul 13 11:35:00 GMT 2018


On Jun 29 18:08, Siddhesh Poyarekar wrote:
> Hi,
> 
> Following patches improve performance of comparing mutually misaligned
> strings by up to 3.5x on aarch64 and up to 2x for memcmp.
> 
> Siddhesh
> 
> Siddhesh Poyarekar (3):
>   [aarch64] Improve strncmp for mutually misaligned inputs
>   [aarch64] memcmp.S: optimize for medium to large sizes
>   [aarch64] strcmp.S: Improve performance for misaligned strings
> 
>  newlib/libc/machine/aarch64/memcmp.S  | 142 ++++++++++++++++++--------
>  newlib/libc/machine/aarch64/strcmp.S  |  51 +++++++--
>  newlib/libc/machine/aarch64/strncmp.S |  96 ++++++++++++++---
>  3 files changed, 218 insertions(+), 71 deletions(-)
> 
> -- 
> 2.17.1

Pushed.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat
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