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Michael Munday 51f508bb4a [release-branch.go1.8] cmd/compile: fix s390x unsigned comparison constant merging rules 
On s390x unsigned integer comparisons with immediates require the immediate
to be an unsigned 32-bit integer. The rule was checking that the immediate
was a signed 32-bit integer.

This CL also adds a test for comparisons that could be turned into compare
with immediate or equivalent instructions (depending on architecture and
optimizations applied).

Cherry-pick of CL 40433 and CL 40873.

Fixes #19940.

Reviewed-on: https://go-review.googlesource.com/40931
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

Change-Id: I3daaeaa40d7637bd4421e6b8d37ea4ffd74448ce
Reviewed-on: https://go-review.googlesource.com/43994
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 		2017-05-23 20:03:07 +00:00
.github doc: improve issue template 2016-08-29 03:33:28 +00:00
api Revert "cmd/go: note when some Go files were ignored on no-Go-files errors" 2016-12-21 05:25:57 +00:00
doc [release-branch.go1.8] doc: remove mentions of yacc tool 2017-05-23 19:41:10 +00:00
lib/time lib/time: update tzdata to 2016j 2017-01-05 01:00:53 +00:00
misc [release-branch.go1.8] cmd/link: make mach-o dwarf segment properly aligned 2017-04-05 16:58:33 +00:00
src [release-branch.go1.8] cmd/compile: fix s390x unsigned comparison constant merging rules 2017-05-23 20:03:07 +00:00
test [release-branch.go1.8] cmd/compile: fix store chain in schedule pass 2017-05-23 19:42:16 +00:00
.gitattributes
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.gitignore .gitignore: fix attempt at rooted paths 2017-01-05 01:29:25 +00:00
AUTHORS A+C: automated update 2016-12-21 03:22:22 +00:00
CONTRIBUTING.md doc: update CONTRIBUTING.md a bit, mention proposal process 2017-01-06 23:19:01 +00:00
CONTRIBUTORS A+C: automated update 2016-12-21 03:22:22 +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.md: update and simplify 2017-01-17 21:26:43 +00:00
VERSION [release-branch.go1.8] go1.8.2 2017-05-23 18:32:59 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
robots.txt
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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.

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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.