tree 681b381834484fa1b0c8265c4718d9f6f99abe5e
parent f07211103538b8ec7a6902ed11dfe09adff49ca4
author Adenilson Cavalcanti <adenilson.cavalcanti@arm.com> 1533658139 +0000
committer Commit Bot <commit-bot@chromium.org> 1533658139 +0000

Neon-Optimized hash chain

This should help with compression of data, using NEON instructions
(therefore useful for ARMv7/ARMv8).

Average gains were around 4% to 5% in data compression, depending on the
data entropy.

Re-write of a patch contributed to Fedora Core, for reference:
https://src.fedoraproject.org/rpms/zlib/c/25e9802713484882c27c1f979a6610a42414ee13?branch=master

Bug: 863257
Change-Id: I76573d75843d6a63de75d8a9536da98515314543
Reviewed-on: https://chromium-review.googlesource.com/1136940
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Chris Blume <cblume@chromium.org>
Commit-Queue: Adenilson Cavalcanti <cavalcantii@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#581241}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: ddbbeb05cb3f0a4c27e7a5d5d0305462db373677