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| author | Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> | 2018-10-01 23:37:00 -0300 |
|---|---|---|
| committer | Lynn Boger <laboger@linux.vnet.ibm.com> | 2018-10-11 13:21:50 +0000 |
| commit | 23578f9d00bb0d6e92f18d7d6ea961d7c6c52260 (patch) | |
| tree | 071ecd3c10064f1a8f6f9c68070c7863cc3f936f /src/os/executable_path.go | |
| parent | c96c2a39bb09da48b3af63de58f65fdc82865746 (diff) | |
| download | go-23578f9d00bb0d6e92f18d7d6ea961d7c6c52260.tar.xz | |
cmd/compile: intrinsify TrailingZeros16, OnesCount{8,16} for ppc64x
This change implements TrailingZeros16, OnesCount8 and OnesCount16
as intrinsics for ppc64x.
benchmark old ns/op new ns/op delta
BenchmarkTrailingZeros16-40 2.16 1.61 -25.46%
benchmark old ns/op new ns/op delta
BenchmarkOnesCount-40 0.71 0.71 +0.00%
BenchmarkOnesCount8-40 0.93 0.69 -25.81%
BenchmarkOnesCount16-40 1.54 0.75 -51.30%
BenchmarkOnesCount32-40 0.75 0.74 -1.33%
BenchmarkOnesCount64-40 0.71 0.71 +0.00%
Change-Id: I010fa9c0ef596a09362870d81193c633e70da637
Reviewed-on: https://go-review.googlesource.com/c/139137
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Diffstat (limited to 'src/os/executable_path.go')
0 files changed, 0 insertions, 0 deletions