| Parameter | Description |
|---|---|
| a | Vector a |
| b | Vector b |
| imm8 | High 4 bits in imm8 |
v128 Vector
Conditionally multiply the packed single-precision (32-bit) floating-point elements in "a" and "b" using the high 4 bits in "imm8", sum the four products, and conditionally store the sum in "dst" using the low 4 bits of "imm8".