simd: check for out-of-bounds GetElem panic

This also uses the bounded jump tables from
wasm and arm64 to make smaller jump tables.

TODO (in another CL): SetElem

Change-Id: I22b5e25af25933b1dfbac9a125512cc8b1d6e72b
Reviewed-on: https://go-review.googlesource.com/c/go/+/789883
Auto-Submit: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
6 files changed
tree: f51db6a5440d3e3aaaa07aed8d1b11cd552f2598
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. codereview.cfg
  11. CONTRIBUTING.md
  12. go.env
  13. LICENSE
  14. PATENTS
  15. README.md
  16. SECURITY.md
README.md

The Go Programming Language

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