RolandF77 bbca78fbcb
[PowerPC] vector shift word/double by element size - 1 use all ones (#139794)
Vector shift word or double requires a shift amount vector of 31 or 63
which is too big for splat immediate and requires a multi-instruction
sequence. However the PPC instructions only use 5 or 6 bits of the shift
amount vector elements so an all ones mask, which we can generate
efficiently, works.
2025-05-23 10:49:37 -04:00
..
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2025-05-22 15:42:22 +01:00
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