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Alexandru Moșoi 7879e9193b cmd/compile: reenable phielim during rewrite 
Remove the "optimization" that was causing the issue.

For the following code the "optimization" was
converting v to (OpCopy x) which is wrong because
x doesn't dominate v.

b1:
    y = ...
    First .. b3
b2:
   x = ...
   Goto b3
b3:
   v = phi x y
   ... use v ...

That "optimization" is likely no longer needed because
we now have a second opt pass with a dce in between
which removes blocks of type First.

For pkg/tools/linux_amd64/* the binary size drops
from 82142886 to 82060034.

Change-Id: I10428abbd8b32c5ca66fec3da2e6f3686dddbe31
Reviewed-on: https://go-review.googlesource.com/22312
Run-TryBot: Alexandru Moșoi <alexandru@mosoi.ro>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2016-04-22 17:22:37 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api api: update next.txt 2016-03-21 07:46:44 +00:00
doc doc/go1.7.txt: 0s for zero duration, go doc groups constructors with types 2016-04-21 22:10:56 +00:00
lib/time misc: update timezone database to IANA 2016a 2016-02-03 03:14:59 +00:00
misc cmd/link: use gold when dynamic linking on arm64 2016-04-18 16:14:44 +00:00
src cmd/compile: reenable phielim during rewrite 2016-04-22 17:22:37 +00:00
test cmd/compile: convert some Phis into And8. 2016-04-22 17:22:03 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: don't ignore y.output 2016-04-17 22:41:13 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS C: fix jbd's identity 2016-04-07 18:25:13 +00:00
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LICENSE
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README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
robots.txt

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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For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.

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.

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 we do not accept pull requests and that we use the issue tracker for bug reports and proposals only. Please ask questions on https://forum.golangbridge.org or https://groups.google.com/forum/#!forum/golang-nuts.

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

--

Binary Distribution Notes

If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.

For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin

See https://golang.org/doc/install or doc/install.html for more details.