tree c1c1de907402c6e3852fce50c931e2b15ea1fcbc
parent 1f7c531b64a19f04f56ccc318130688c5ba0aa51
author Xiaolin Zhao <zhaoxiaolin@loongson.cn> 1750648605 +0800
committer abner chenc <chenguoqi@loongson.cn> 1789974165 -0700

salsa20: add loong64 SIMD implementation

Benchmark results on Loongson-3C6000 @ 2.20GHz:

goos: linux
goarch: loong64
pkg: golang.org/x/crypto/salsa20
cpu: Loongson-3C6000/S @ 2200.00MHz
      |  old.bench   |              new.bench              |
      |    sec/op    |   sec/op     vs base                |
XOR1K   3835.5n ± 0%   493.9n ± 0%  -87.12% (p=0.000 n=10)

      |  old.bench   |               new.bench                |
      |     B/s      |      B/s       vs base                 |
XOR1K   254.6Mi ± 0%   1977.4Mi ± 0%  +676.64% (p=0.000 n=10)

Change-Id: I9f795e7f4e2c467ba9a41c9e6f460612536021ba
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/683255
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>