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Keith Randall cedf5008a8 cmd/compile: introduce separate memory op combining pass 
Memory op combining is currently done using arch-specific rewrite rules.
Instead, do them as a arch-independent rewrite pass. This ensures that
all architectures (with unaligned loads & stores) get equal treatment.

This removes a lot of rewrite rules.

The new pass is a bit more comprehensive. It handles things like out-of-order
writes and is careful not to apply partial optimizations that then block
further optimizations.

Change-Id: I780ff3bb052475cd725a923309616882d25b8d9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/478475
Reviewed-by: Keith Randall <khr@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
 		2023-04-21 21:05:46 +00:00
.github doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
api log/slog: add Source type for source location 2023-04-20 17:36:42 +00:00
doc doc: add release notes for new context functions 2023-04-20 13:01:21 +00:00
lib/time time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
misc make.{bash,bat}: check unmodified $PATH for $GOROOT/bin presence 2023-04-19 14:36:22 +00:00
src cmd/compile: introduce separate memory op combining pass 2023-04-21 21:05:46 +00:00
test runtime, cmd: rationalize StackLimit and StackGuard 2023-04-21 19:28:56 +00:00
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.gitignore cmd/dist: refactor generated cgo-support logic 2023-04-20 17:26:46 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
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SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00
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go.env cmd/go: introduce GOROOT/go.env and move proxy/sumdb config there 2023-01-17 23:10:39 +00:00

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 4.0 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://go.dev/dl/.

After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

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

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

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