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ARM Neon: VPADAL for subtraction
原标题:ARM Neon: VPADAL for subtraction
  • 时间:2011-11-22 19:32:29
  •  标签:
  • arm
  • simd
  • neon

I m 采用VPADAL.U32的指示,以大幅提高增量代码速度。 然而,我需要一些东西来取代积累和结转(实际上我所说的是附加的)。

富有想象力或实际可能吗?

从我可以收集到的材料来看,我需要精减我的第2次歌剧,而不必说其比喻......是,然后从中转出1,次比照1(以便获得0------我积累)。

我在某处都缺乏电弧技术?

最佳回答

您可以使用VPADDL来补充和翻一番,然后利用VQSUB从你的总的角度来看这一术语。

问题回答

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