Commit 3103495f authored by Xiangdong Ji's avatar Xiangdong Ji Committed by Keith Randall
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runtime: eliminate redundant load in Xchg and Xadd on arm64 

Loading arguments of Xchg(64) and Xadd(64) functions to registers
could be done only once.

Change-Id: Iaf0a695ec9c6a221dfa755855edb68c476978a5b
Reviewed-on: https://go-review.googlesource.com/c/go/+/227001


Reviewed-by: default avatarKeith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
parent e18a5ba0
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