| Parameter | Description |
|---|---|
| a | Vector a |
| imm8 | imm8 |
v256 Vector
Shuffle double-precision (64-bit) floating-point elements in a within 128-bit lanes using the control in imm8, and store the results in dst.
____ VPERMILPD ymm1, ymm2/v256, imm8 Permute Double-Precision Floating-Point values in the first source operand using two, 1-bit control fields in the low 2 bits of the 8-bit immediate and store results in the destination