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Jason A. Donenfeld cfd016df1f runtime: on windows, read nanotime with one instruction or issue barrier
On 64-bit, this is more efficient, and on ARM64, this prevents the time
from moving backwards due to the weaker memory model. On ARM32 due to
the weaker memory model, we issue a memory barrier.

Updates #48072.

Change-Id: If4695716c3039d8af14e14808af217f5c99fc93a
Reviewed-on: https://go-review.googlesource.com/c/go/+/361057
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2021-11-03 18:37:22 +00:00
.github .github: update IRC server 2021-09-30 19:56:27 +00:00
api cmd/go: stamp VCS revision and uncommitted status into binaries 2021-10-14 18:44:37 +00:00
doc doc/go1.18: remove some redundancy from netip docs 2021-11-02 22:20:40 +00:00
lib/time lib/time: fix RFC 6557 url 2021-08-15 02:18:46 +00:00
misc all: add support for c-archive and c-shared on linux/riscv64 2021-11-03 09:23:34 +00:00
src runtime: on windows, read nanotime with one instruction or issue barrier 2021-11-03 18:37:22 +00:00
test cmd/compile: make pointers to arrays their own shape 2021-11-03 17:56:16 +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 Leonard Wang (individual CLA) 2021-11-02 06:25:39 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: add Leonard Wang (individual CLA) 2021-11-02 06:25:39 +00:00
LICENSE
PATENTS
README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

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