4282ba0a65
Improve static branch prediction in arm64 wrapper prologue by making the unusual case branch forwards. (Most other architectures implement this optimization.) Additionally, replace a CMP+BNE pair with a CBNZ to save one instruction. Change-Id: Id970038b34b4aaec18c101d62e2ee00f3e32a761 Reviewed-on: https://go-review.googlesource.com/54070 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
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