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Austin Clements b21e936f3e liblink: generate correct code for MOVD $-n(Rm), x on ppc64 
On ppc64, liblink rewrites MOVD's of >32-bit constants by putting the
constant in memory and rewriting the MOVD to load from that memory
address.  However, there were two bugs in the condition:

a) owing to an incorrect sign extension, it triggered for all negative
   constants, and

b) it could trigger for constant offsets from registers (addresses of
   the form $n(Rm) in assembly)

Together, these meant instructions of the form MOVD $-n(Rm), x were
compiled by putting -n in memory and rewriting the MOVD to load this
constant from memory (completely dropping Rm).

Change-Id: I1f6cc980efa3e3d6f164b46c985b2c3b55971cca
Reviewed-on: https://go-review.googlesource.com/1752
Reviewed-by: Minux Ma <minux@golang.org>
2014-12-18 15:31:47 +00:00
api api: update next.txt 2014-12-18 03:21:48 +00:00
doc doc: fixes to contributor docs 2014-12-18 02:17:32 +00:00
include all: power64 is now ppc64 2014-12-05 19:13:20 -05:00
lib/time remove the obsolete lib/codereview. 2014-12-08 07:51:54 +00:00
misc misc/chrome/gophertool: update for the git/gerrit transition 2014-12-18 07:34:46 +00:00
src liblink: generate correct code for MOVD $-n(Rm), x on ppc64 2014-12-18 15:31:47 +00:00
test test: add bug494: test case miscompiled by gccgo 2014-12-18 02:45:00 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore all: tighten overly-broad runtime/z* gitignore line 2014-12-10 00:45:47 +00:00
AUTHORS A+C: add another email address for Emil Hessman 2014-11-12 10:01:23 -08:00
CONTRIBUTING.md doc: update README.md and CONTRIBUTING.md in response to review comments 2014-12-10 22:48:34 +00:00
CONTRIBUTORS C: add Nick Cooper (Google CLA). 2014-11-14 17:03:17 +11:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE
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README.md doc: update README.md and CONTRIBUTING.md in response to review comments 2014-12-10 22:48:34 +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.

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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.)

Please report issues here: https://golang.org/issue/new

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

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.