9d6e605cf7
For each value that needs to be in a fixed register at the end of the block, and try to pick that fixed register when the instruction generating that value is scheduled (or restored from a spill). Just used for end-of-block register requirements for now. Fixed-register instruction requirements (e.g. shift in ecx) can be added later. Also two-instruction constraints (input reg == output reg) might be recorded in a similar manner. Change-Id: I59916e2e7f73657bb4fc3e3b65389749d7a23fa8 Reviewed-on: https://go-review.googlesource.com/18774 Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: David Chase <drchase@google.com> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
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.