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b677753862
Summary: On darwin/amd64, it is not adequate to use OSXSAVE bits to determine AVX512 availabilty. The reason is involved. See github issue for details. The fix consists of implementing Apple's recommended approach using the process commpage cpu_capabilities bits to determine availability of AVX512. Fixes golang/go#43089 Change-Id: I1ba89965498863d268fbf2e427dbfd6429c7409f Reviewed-on: https://go-review.googlesource.com/c/sys/+/285572 Trust: Tobias Klauser <tobias.klauser@gmail.com> Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Martin Möhrmann <moehrmann@google.com>
sys
This repository holds supplemental Go packages for low-level interactions with the operating system.
Download/Install
The easiest way to install is to run go get -u golang.org/x/sys. You can
also manually git clone the repository to $GOPATH/src/golang.org/x/sys.
Report Issues / Send Patches
This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.
The main issue tracker for the sys repository is located at https://github.com/golang/go/issues. Prefix your issue with "x/sys:" in the subject line, so it is easy to find.