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go / go / 74a9bad63899ffb02b747678c2c181ffb13983b9
commit74a9bad63899ffb02b747678c2c181ffb13983b9[log] [tgz]
authorZhongwei Yao <zhongwei.yao@arm.com>Mon Apr 25 11:08:38 2016 +0800
committerMichael Munday <munday@ca.ibm.com>Wed Apr 27 17:47:49 2016 +0000
treec932ed719c212346073b988d7d3e7be61900751c
parent7538b1db8ec0d82a623847fe5987f1988fe16448 [diff]
cmd/compile: enable const division for arm64

performance:
benchmark                   old ns/op     new ns/op     delta
BenchmarkDivconstI64-8      8.28          2.70          -67.39%
BenchmarkDivconstU64-8      8.28          4.69          -43.36%
BenchmarkDivconstI32-8      8.28          6.39          -22.83%
BenchmarkDivconstU32-8      8.28          4.43          -46.50%
BenchmarkDivconstI16-8      5.17          5.17          +0.00%
BenchmarkDivconstU16-8      5.33          5.34          +0.19%
BenchmarkDivconstI8-8       3.50          3.50          +0.00%
BenchmarkDivconstU8-8       3.51          3.50          -0.28%

Fixes #15382

Change-Id: Ibce7b28f0586d593b33c4d4ecc5d5e7e7c905d13
Reviewed-on: https://go-review.googlesource.com/22292
Reviewed-by: Michael Munday <munday@ca.ibm.com>
Reviewed-by: David Chase <drchase@google.com>
11 files changed
tree: c932ed719c212346073b988d7d3e7be61900751c
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
README.md

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