image/vector: add runtime check for SSE4.1

The PSHUFB instruction is also used by the floating-point
implementation, not just the fixed-point one.

Fixes golang/go#32835

Change-Id: I21f204319b28b664c862a7e3d938ba9366c74116
Reviewed-on: https://go-review.googlesource.com/c/image/+/184898
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2 files changed
tree: ae36f3baff8732ed010acebcced518595ec8e1f7
  1. bmp/
  2. ccitt/
  3. cmd/
  4. colornames/
  5. draw/
  6. example/
  7. font/
  8. math/
  9. riff/
  10. testdata/
  11. tiff/
  12. vector/
  13. vp8/
  14. vp8l/
  15. webp/
  16. .gitattributes
  17. .gitignore
  18. AUTHORS
  19. codereview.cfg
  20. CONTRIBUTING.md
  21. CONTRIBUTORS
  22. go.mod
  23. go.sum
  24. LICENSE
  25. PATENTS
  26. README.md
README.md

Go Images

This repository holds supplementary Go image libraries.

Download/Install

The easiest way to install is to run go get -u golang.org/x/image/.... You can also manually git clone the repository to $GOPATH/src/golang.org/x/image.

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 image repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/image:” in the subject line, so it is easy to find.