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go / go / d6504b80973a22edbb5045e98c53901776101d18
commitd6504b80973a22edbb5045e98c53901776101d18[log] [tgz]
authorDavid Chase <drchase@google.com>Sat Feb 27 17:11:36 2021 -0500
committerDavid Chase <drchase@google.com>Thu Mar 04 23:08:32 2021 +0000
tree11fead09949e61810cf1ec3c2943e98953c237a9
parent5c5552c5bab55c7233cc0cc105876a982ec25b74 [diff]
cmd/compile: tweak offset-generator to elide more +0 offsets

this caused a problem in write barrier code when a spurious
zero-offset prevented a write barrier elision.

removed cache after instrumenting it and discovering
zero safe hits (one value must dominate the other, else
unsafe).

Change-Id: I42dfdb4d38ebfe158b13e766a7fabfc514d773f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/297349
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
1 file changed
tree: 11fead09949e61810cf1ec3c2943e98953c237a9
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. codereview.cfg
  12. CONTRIBUTING.md
  13. CONTRIBUTORS
  14. favicon.ico
  15. LICENSE
  16. PATENTS
  17. README.md
  18. robots.txt
  19. SECURITY.md
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