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camel-cdr's avatar

With Zvbb, you could also use a vrotl for SEW<64.

Unrolled LMUL=1 vrgather could also work quite well.

Another idea would be something like `vcreate(vop(vsnrl(a,0),vnsrl(b,8)),voo(vnsrl(a,8), vnsrl(b, 0)))`

This would pair up all even elements in a with odd elements in b, and the other way around.

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