09e059afb1
Frame pointers were already enabled on linux, darwin, ios, but not freebsd, android, openbsd, netbsd. But the space was reserved on all platforms, leading to two different arm64 framepointer conditions in different parts of the code, one of which had no name (framepointer_enabled || GOARCH == "arm64", which might have been "framepointer_space_reserved"). So on the disabled systems, the stack layouts were still set up for frame pointers and the only difference was not actually maintaining the FP register in the generated code. Reduce complexity by just enabling the frame pointer completely on all the arm64 systems. This commit passes on freebsd, android, netbsd. I have not been able to try it on openbsd. This CL is part of a stack adding windows/arm64 support (#36439), intended to land in the Go 1.17 cycle. This CL is, however, not windows/arm64-specific. It is cleanup meant to make the port (and future ports) easier. Change-Id: I83bd23369d24b76db4c6a648fa74f6917819a093 Reviewed-on: https://go-review.googlesource.com/c/go/+/288814 Trust: Russ Cox <rsc@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com> |
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README.md
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