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Alejandro García Montoro e1c294a56d cmd/compile: eliminate successive swaps
The code generated when storing eight bytes loaded from memory in big
endian introduced two successive byte swaps that did not actually
modified the data.

The new rules match this specific pattern both for amd64 and for arm64,
eliminating the double swap.

Fixes #41684

Change-Id: Icb6dc20b68e4393cef4fe6a07b33aba0d18c3ff3
Reviewed-on: https://go-review.googlesource.com/c/go/+/320073
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Daniel Martí <mvdan@mvdan.cc>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
2021-10-09 01:04:29 +00:00
.github .github: update IRC server 2021-09-30 19:56:27 +00:00
api net/http: add Cookie.Valid method 2021-10-06 23:26:57 +00:00
doc cmd/go: add release note for 'go get' changes 2021-09-28 17:19:19 +00:00
lib/time lib/time: fix RFC 6557 url 2021-08-15 02:18:46 +00:00
misc misc/cgo/testshared: pass the testing.T to goCmd when available 2021-10-08 15:27:20 +00:00
src cmd/compile: eliminate successive swaps 2021-10-09 01:04:29 +00:00
test cmd/compile: eliminate successive swaps 2021-10-09 01:04:29 +00:00
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.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: update name to real name and add to AUTHORS 2021-09-16 23:57:28 +00:00
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CONTRIBUTORS A+C: update name to real name and add to AUTHORS 2021-09-16 23:57:28 +00:00
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README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
SECURITY.md

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