Zhongwei Yao
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74a9bad638
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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>
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2016-04-27 17:47:49 +00:00 |
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