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The Go programming language
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Carlos Eduardo Seo 23578f9d00 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>
2018-10-11 13:21:50 +00:00
.github .github: use HTTPS for Stack Overflow link in SUPPORT.md 2018-06-12 11:08:14 +00:00
api syscall: FreeBSD 12 ino64 support 2018-10-05 21:38:13 +00:00
doc spec: distinguish between explicit and implicit conversions (clarification) 2018-10-08 17:47:49 +00:00
lib/time lib/time: update vendored tzdata to release 2018e 2018-06-11 14:47:06 +00:00
misc misc/wasm: fix fs operations in browser 2018-10-08 18:33:23 +00:00
src cmd/compile: intrinsify TrailingZeros16, OnesCount{8,16} for ppc64x 2018-10-11 13:21:50 +00:00
test cmd/compile: optimize 386's ADDLconstmodifyidx4 2018-10-11 01:20:34 +00:00
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AUTHORS A+C: add VMware as author, Venil Noronha as contributor 2018-08-31 02:14:24 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://golang.org/dl/.

After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.