• Cherry Zhang's avatar
    math: add some assembly implementations on ARM64 · ba94dd34
    Cherry Zhang authored
    Also add GP<->FP move addressing mode to FMOVS, FMOVD
    instructions.
    
    Ceil-8                 37.1ns ± 0%   7.9ns ± 0%  -78.64%          (p=0.000 n=4+5)
    Dim-8                  20.9ns ± 1%  11.3ns ± 0%  -45.93%          (p=0.008 n=5+5)
    Floor-8                22.9ns ± 0%   7.9ns ± 0%  -65.41%          (p=0.029 n=4+4)
    Gamma-8                 117ns ± 0%    94ns ± 1%  -19.50%          (p=0.016 n=4+5)
    PowInt-8                121ns ± 0%   108ns ± 1%  -11.07%          (p=0.008 n=5+5)
    PowFrac-8               331ns ± 0%   318ns ± 0%   -3.93%          (p=0.000 n=5+4)
    Trunc-8                18.8ns ± 0%   7.9ns ± 0%  -57.83%          (p=0.016 n=4+5)
    
    Change-Id: I709b7f1a914b28adc27414522db551e2630cfb92
    Reviewed-on: https://go-review.googlesource.com/29734
    Run-TryBot: Cherry Zhang <cherryyz@google.com>
    TryBot-Result: Gobot Gobot <gobot@golang.org>
    Reviewed-by: 's avatarDavid Chase <drchase@google.com>
    ba94dd34
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