72eb46c5a0
Other GOARCHs already handle their callee-saved FP registers, but arm was missing. Without this change, code using Cgo and floating point code might fail in mysterious and hard to debug ways. There are no floating point registers when GOARM=5, so skip the registers when runtime.goarm < 6. darwin/arm doesn't support GOARM=5, so the check is left out of rt0_darwin_arm.s. Fixes #14876 Change-Id: I6bcb90a76df3664d8ba1f33123a74b1eb2c9f8b2 Reviewed-on: https://go-review.googlesource.com/23140 Run-TryBot: Elias Naur <elias.naur@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Minux Ma <minux@golang.org> |
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The Go Programming Language
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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.