d8e8fc292a
atomic.Storep1 is not supposed to invoke a write barrier (that's what atomicstorep is for), but currently does on s390x. This causes a panic in runtime.mapzero when it tries to use atomic.Storep1 to store what's actually a scalar. Fix this by eliminating the write barrier from atomic.Storep1 on s390x. Also add some documentation to atomicstorep to explain the difference between these. Fixes #15270. Change-Id: I291846732d82f090a218df3ef6351180aff54e81 Reviewed-on: https://go-review.googlesource.com/21993 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Austin Clements <austin@google.com> Reviewed-by: Michael Munday <munday@ca.ibm.com> |
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The Go Programming Language
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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.