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Rhys Hiltner 3c3b8dd4f0 internal/runtime/atomic: add Xchg8 for s390x and wasm
This makes the single-byte atomic.Xchg8 operation available on all
GOARCHes, including those without direct / single-instruction support.

Fixes #69735

Change-Id: Icb6aff8f907257db81ea440dc4d29f96b3cff6c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/657936
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Rhys Hiltner <rhys.hiltner@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2025-03-14 15:42:34 -07:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api debug/elf: add riscv attributes definitions 2025-03-14 15:08:23 -07:00
doc debug/elf: add riscv attributes definitions 2025-03-14 15:08:23 -07:00
lib lib/time: build with Ubuntu backward compatibility options 2025-02-06 17:10:15 -08:00
misc misc/wasm: move wasm runtime files to lib/wasm 2024-08-30 19:15:21 +00:00
src internal/runtime/atomic: add Xchg8 for s390x and wasm 2025-03-14 15:42:34 -07:00
test test/codegen: tighten the TrailingZeros64 test on 386 2025-03-14 15:04:38 -07:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00

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