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Lynn Boger fc5b64e19b crypto/sha512: add BE support to PPC64 asm implementation 
This adds big endian support for the assembly implementation of
sha512. There was a recent request to do this for sha256 for
AIX users; for completeness, the same is being done for sha512.
The majority of the code is common between big and little
endian with a few differences controlled by ifdefs: with LE
the generation of a mask is needed along with VPERM instructions
to put bytes in the correct order; some VPERMs need the V
registers in a different order.

name        old time/op    new time/op     delta
Hash8Bytes    1.02µs ± 0%     0.38µs ± 0%   -62.68%
Hash1K        7.01µs ± 0%     2.43µs ± 0%   -65.42%
Hash8K        50.2µs ± 0%     14.6µs ± 0%   -70.89%

Updates #50785

Change-Id: I739b5e7c07b22b5748af11ca781e82ac67adb4f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/388654
Reviewed-by: Cherry Mui <cherryyz@google.com>
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
 		2022-03-02 20:02:12 +00:00
.github .github: remove duplicate security link 2022-01-07 17:55:09 +00:00
api runtime/debug: replace (*BuildInfo).Marshal methods with Parse and String 2022-02-09 19:44:03 +00:00
doc all: fix typos 2022-02-28 21:52:59 +00:00
lib/time lib/time, time/tzdata: update to 2021e 2021-11-11 05:16:39 +00:00
misc all: fix typos 2022-02-28 21:52:59 +00:00
src crypto/sha512: add BE support to PPC64 asm implementation 2022-03-02 20:02:12 +00:00
test go/types, types2: correctly consider ~ (tilde) in constraint type inference 2022-03-01 23:48:58 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Bharath Kumar Uppala (individual CLA) 2021-11-29 00:57:09 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.18 release 2022-02-28 15:43:07 +00:00
LICENSE
…
PATENTS
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README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://golang.org/dl/.

After downloading a binary release, visit https://golang.org/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://golang.org/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.