cmd/compile: make math.Ceil/Floor/Round/Trunc intrinsics on arm64 name old time/op new time/op delta Ceil 550ns ± 0% 486ns ± 7% -11.64% (p=0.000 n=13+18) Floor 495ns ±19% 512ns ±12% ~ (p=0.164 n=20+20) Round 550ns ± 0% 487ns ± 8% -11.49% (p=0.000 n=12+19) Trunc 563ns ± 7% 488ns ±13% -13.44% (p=0.000 n=15+2) Change-Id: I53f234b160b3c026a277506e2cf977d150379464 Reviewed-on: https://go-review.googlesource.com/88295 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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