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Wayne Zuo 7fbabe8d57 cmd/compile: use shlx&shrx instruction for GOAMD64>=v3
The SHRX/SHLX instruction can take any general register as the shift count operand, and can read source from memory. This CL introduces some operators to combine load and shift to one instruction.

For #47120

Change-Id: I13b48f53c7d30067a72eb2c8382242045dead36a
Reviewed-on: https://go-review.googlesource.com/c/go/+/385174
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2022-04-04 20:07:23 +00:00
.github .github: remove duplicate security link 2022-01-07 17:55:09 +00:00
api regexp/syntax: add and use ErrInvalidDepth 2022-04-04 10:59:27 +00:00
doc net: support error.Is of network errors and context errors 2022-04-03 15:43:15 +00:00
lib/time lib/time, time/tzdata: update to 2021e 2021-11-11 05:16:39 +00:00
misc cmd/cgo: retain original file paths in godefs generated comment 2022-04-03 07:18:10 +00:00
src cmd/compile: use shlx&shrx instruction for GOAMD64>=v3 2022-04-04 20:07:23 +00:00
test cmd/compile: use shlx&shrx instruction for GOAMD64>=v3 2022-04-04 20:07:23 +00:00
.gitattributes
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS copyright: add Loongson into AUTHORS 2022-04-04 17:30:33 +00:00
codereview.cfg
CONTRIBUTING.md
CONTRIBUTORS A+C: change email of Ben Shi (individual CLA) 2022-03-22 16:02:31 +00:00
LICENSE
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README.md README.md: update links to go.dev 2022-03-20 16:05:03 +00:00
SECURITY.md

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