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5a09f1b3be
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Alan Donovan 5a09f1b3be exp/ssa: make invokation of deferred procedure calls explicit. 
The correct semantics of named result parameters and deferred
procedures cannot be implemented with the existing Ret
instruction alone, since the required sequence is:
(1) evaluate return operands and parallel-assign them to
    named result parameters
(2) invoke deferred procedures
(3) load named result parameters to form result tuple.

We introduce a new 'rundefers' instruction that explicitly
invokes the deferred procedure calls, and we generate code
that follows the sequence above.

Most functions do not use deferred procedures but this cannot
be known in a single pass.  So, we add an optimisation to
eliminate redundant 'rundefers'; it is piggybacked on the
existing pass done for "lifting".

Added tests.

R=gri
CC=golang-dev
https://golang.org/cl/7411043
2013-02-27 10:35:23 -05:00
api api: refresh next.txt 2013-02-15 16:33:14 -05:00
doc doc: document that weekly.html is only a historical reference 2013-02-26 09:23:34 +11:00
include build: clang support 2013-02-15 13:37:43 -08:00
lib cmd/godoc: add support for display Notes parsed by pkg/go/doc 2013-02-25 20:34:09 -08:00
misc misc/emacs: Greatly improve go-mode for Emacs. 2013-02-26 13:48:32 -05:00
src exp/ssa: make invokation of deferred procedure calls explicit. 2013-02-27 10:35:23 -05:00
test cmd/gc: accept cases with same value but different types in switch. 2013-02-26 00:45:43 +01:00
.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: Dominik Honnef (individual CLA) 2013-02-26 10:27:02 -08:00
CONTRIBUTORS A+C: Dominik Honnef (individual CLA) 2013-02-26 10:27:02 -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.