369f4f5de5
x86 has a lot of instructions that require the output to be in the same register as one of the inputs. When allocating the output register, allocate the same register as the input if it is available. Improves the performance of golang.org/x/crypto/sha3 by 10% (from 6% slower than 1.6 to 4% faster). Fixes #14745 Change-Id: I4d81785240c9368e4dc75107b45c959d200df8e6 Reviewed-on: https://go-review.googlesource.com/20488 Reviewed-by: Josh Bleecher Snyder <josharian@gmail.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.
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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.