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2 Commits

Author SHA1 Message Date
David Symonds
3dedf801dd container/intsets: update build tags to exclude assembly from gccgo.
Change-Id: I6f3b351d42f5534dd5a5ff161f1e5680b4dbfd58
Reviewed-on: https://go-review.googlesource.com/16793
Reviewed-by: Andrew Gerrand <adg@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-11-11 01:35:11 +00:00
Alan Donovan
b7f0150d16 container/intsets: popcount: use POPCNT on amd64, Hacker's Delight algorithm on 386
This function accounts for 2% of "godoc -analysis=pointer"
and this change makes it twice as fast---and simpler.

Added test and benchmark.

Change-Id: I8578fa42dce34df057d81f6c522a7b4e0506d09d
Reviewed-on: https://go-review.googlesource.com/15211
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Ilya Tocar <ilya.tocar@intel.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-10-01 19:57:28 +00:00