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The Go programming language
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139448fe95
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Russ Cox 139448fe95 cmd/6c, cmd/8c: cut stack frames by about half 
The routine that adds an automatic to the stack was
adding ptrsize-1 to the size before rounding up.
That addition would only make sense to turn a round down
into a round up. Before a round up, it just wastes a word.

The effect was that a 6c function with one local and
one two-word function call used (8+8)+(16+8) = 40 bytes
instead of 8+16 = 24 bytes.

The wasted space mostly didn't matter, but one place where
it does matter is when trying to stay within the 128-byte
total frame constraint for #pragma textflag 7 functions.

This only affects the C compilers, not the Go compilers.

5c already had correct code, which is now copied to 6c and 8c.

R=ken2
CC=golang-dev
https://golang.org/cl/7303099
2013-02-18 13:24:04 -05:00
api api: refresh next.txt 2013-02-15 16:33:14 -05:00
doc spec: clarify when range x does not evaluate x 2013-02-15 14:39:28 -05:00
include build: clang support 2013-02-15 13:37:43 -08:00
lib cmd/godoc: add support for doc.Package.Notes 2013-02-14 20:35:08 -08:00
misc misc/vim: update installation instructions to work better with some Linux distributions. 2013-02-18 14:03:47 +11:00
src cmd/6c, cmd/8c: cut stack frames by about half 2013-02-18 13:24:04 -05:00
test cmd/8g: fix sse2 compare code gen 2013-02-14 14:49:04 -05:00
.hgignore build: update Makefile to track source code dependencies better 2012-03-13 03:31:11 +08:00
.hgtags tag go1.0.3 2012-09-24 13:15:33 -05:00
AUTHORS A+C: Greg Ward (individual CLA) 2013-02-11 09:17:00 +11:00
CONTRIBUTORS C: add Cosmos Nicolaou (Google CLA) 2013-02-14 13:35:52 -08:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README build: update, streamline documentation for new $GOBIN 2010-08-24 20:00:50 -04:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

README 

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.html in your web browser.

After installing Go, you can view a nicely formatted
doc/install.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install.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 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.