| Parameter | Description |
|---|---|
| a | Vector a |
| b | Vector b |
| imm8 | Control mask |
v128 Vector
Copy "a" to "tmp", then insert a single-precision (32-bit) floating-point element from "b" into "tmp" using the control in "imm8". Store "tmp" to "dst" using the mask in "imm8" (elements are zeroed out when the corresponding bit is set).