tree bc4896837a67329a2a94886c9a9d8702024e89bf
parent 6e954c22d83cb0f8d35d600ff48961653176ca68
author Jussi Kivilinna <jussi.kivilinna@iki.fi> 1406650454 +0100
committer Samir Mehta <samirn@codeaurora.org> 1450869534 +0530

ARM: 8119/1: crypto: sha1: add ARM NEON implementation

This patch adds ARM NEON assembly implementation of SHA-1 algorithm.

tcrypt benchmark results on Cortex-A8, sha1-arm-asm vs sha1-neon-asm:

block-size      bytes/update    old-vs-new
16              16              1.04x
64              16              1.02x
64              64              1.05x
256             16              1.03x
256             64              1.04x
256             256             1.30x
1024            16              1.03x
1024            256             1.36x
1024            1024            1.52x
2048            16              1.03x
2048            256             1.39x
2048            1024            1.55x
2048            2048            1.59x
4096            16              1.03x
4096            256             1.40x
4096            1024            1.57x
4096            4096            1.62x
8192            16              1.03x
8192            256             1.40x
8192            1024            1.58x
8192            4096            1.63x
8192            8192            1.63x

Change-Id: I43f856e247de8ee60dd723626195dad825d1be66
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Git-commit: d075817176091cd6476711692c4b2b707b60c908
Git-repo: https://android.googlesource.com/kernel/common/
Signed-off-by: Samir Mehta <samirn@codeaurora.org>