How work PALIGNR ?

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Roman

Joined: 21 Apr 2012
Posts: 2140

Roman 31 Jan 2025, 08:39

I read this but not understand clearly how its work.
https://www.yubsoft.com/x86doc/PALIGNR.html
https://studfile.net/preview/1583057/page:28/

PALIGNR did can helps cut zero bytes from xmm register ?

31 Jan 2025, 08:39

bitRAKE

Joined: 21 Jul 2003
Posts: 4649
Location: vpcmpistri

bitRAKE 31 Jan 2025, 10:30

If you understand SHRD then PALIGNR is known - it just shifts bytes instead of bits.

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¯\(°_o)/¯ AI understands the way 2+2 understands 4.

31 Jan 2025, 10:30

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