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The Go programming language
cb767247ca
Instead of making asmcgocall call asmcgocall_errno, make both load args into registers and call a shared assembly function. On amd64, this costs 1 word in the asmcgocall_errno path but saves 3 words in the asmcgocall path, and the latter is what happens on critical nosplit paths on Windows. On arm, this fixes build failures: asmcgocall was writing the arguments for asmcgocall_errno into the wrong place on the stack. Passing them in registers avoids the decision entirely. On 386, this isn't really needed, since the nosplit paths have twice as many words to work with, but do it for consistency. Update #8635 Fixes arm build (except GOARM=5). TBR=iant CC=golang-codereviews https://golang.org/cl/134390043 |
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This is the source code repository for the Go programming language.
For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install-source.html
in your web browser.
After installing Go, you can view a nicely formatted
doc/install-source.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install/source.
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 README). 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.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 doc/install.html for more details.