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Cherry Mui cf23daeda3 [dev.typeparams] cmd/compile: do not schedule in-register args late, even for block control 
In the scheduler we have the logic that if a Value is used as the
block's control, we schedule it at the end, except for Phis and
Args. Even the comment says so, the code doesn't exclude
in-register Args (OpArgXXXReg).

Change to check for score instead, which includes OpArgXXXRegs.
It also includes GetClosurePtr, which must be scheduled early.
We just happen to never use it as block control.

Found when working on ARM64 register ABI. In theory this could
apply to AMD64 as well. But on AMD64 we never use in-register
Value as block control, as conditional branch is always based on
FLAGS, never based on registers, so it doesn't actually cause any
problem.

Change-Id: I167a550309772639574f7468caf91bd805eb74c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/322849
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: David Chase <drchase@google.com>
2021-05-26 23:26:51 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api text/template/parse: rename DeferFuncCheck to SkipFuncCheck 2021-05-06 13:39:37 +00:00
doc doc: add Go 1.17 release note about inlining functions with closures 2021-05-25 19:03:32 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2021a 2021-01-25 16:08:46 +00:00
misc misc/wasm: ensure correct stack pointer in catch clauses 2021-05-24 22:12:19 +00:00
src [dev.typeparams] cmd/compile: do not schedule in-register args late, even for block control 2021-05-26 23:26:51 +00:00
test [dev.typeparams] cmd/compile: always generate (*T).M wrappers for instantiated methods 2021-05-26 21:39:54 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Weixie Cui (individual CLA) 2021-04-30 16:27:50 +00:00
codereview.cfg [dev.typeparams] all: update parent repository 2021-02-18 22:34:52 +00:00
CONTRIBUTING.md
CONTRIBUTORS CONTRIBUTORS: change my name 2021-05-06 16:28:56 +00:00
LICENSE
PATENTS
README.md README: pull gopher image from website 2021-02-16 18:25:10 +00:00
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +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 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 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 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://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.