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isharipo 41fa265db0 obj/x86: make VEX-specified-register explicit 
"VEX.vvvv" field (VSR, VEX-specified-register) made explicit
in Optab encoding.

vexNDS, vexNDD, vexDDS and vexNOVSR do nothing,
this change does not produce any noticeable effect.

Rationale behind this change:
- keep more information inside optab entries
- make encodings match SDM more closely
- one less special rule to keep in mind

Pvex optabs are updated based on the Intel SDM descriptions.

Unused VEX combinations are removed;
it is problematic to choose VSR combinations for them
without actual Optabs that use them.

The origin of this idea can be found in:
https://go-review.googlesource.com/#/c/arch/+/66972/

Change-Id: I54634a72b44d61f4b924a1e45f2240aab7384dc2
Reviewed-on: https://go-review.googlesource.com/67890
Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
 		2017-10-06 15:44:54 +00:00
.github .github: update ISSUE_TEMPLATE to be closer to 'go bug' 2017-08-19 04:06:10 +00:00
api doc, api: add syscall.SysProcAttr.AmbientCaps change to 1.9 notes, API 2017-06-29 03:29:46 +00:00
doc doc: add missing "Minor revisions" header for 1.9 2017-10-04 20:22:15 +00:00
lib/time time: vendor tzdata-2017b and update test 2017-06-07 21:23:58 +00:00
misc misc/cgo/testcshared: skip all but TestExportedSymbols on windows 2017-10-05 23:11:56 +00:00
src obj/x86: make VEX-specified-register explicit 2017-10-06 15:44:54 +00:00
test cmd/internal/obj/arm64: fix handling of unaligned offset between 256 and 504 2017-10-05 22:28:17 +00:00
.gitattributes
…
.gitignore .gitignore: include only Go project artifiacts 2017-08-15 21:37:05 +00:00
AUTHORS A+C: final updates for Go 1.9 2017-07-18 01:47:54 +00:00
CONTRIBUTING.md .github: recommend 'go bug' when filing an issue 2017-07-24 17:18:34 +00:00
CONTRIBUTORS A+C: final updates for Go 1.9 2017-07-18 01:47:54 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
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README.md readme: add attribution for the Gopher image 2017-02-03 19:39:41 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
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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 or load doc/install.html in your web browser 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 or load doc/install-source.html in your web browser for source installation instructions.

Contributing

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

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

Note that the Go project does not use GitHub pull requests, and that we use 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.