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path: root/src/runtime/time_windows.h
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2021-11-03runtime: on windows, read nanotime with one instruction or issue barrierJason A. Donenfeld
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>
2021-04-28runtime: consolidate Windows time constants into single copyIan Lance Taylor
Change-Id: I1a583d3da9cca4ac51f3fec9b508b7638b452d60 Reviewed-on: https://go-review.googlesource.com/c/go/+/314270 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com>