kunpckbw

Unpack and Interleave Masks Byte to Word

KUNPCKBW k1, k2, k3

Interleaves 8-bit masks into 16-bit mask.

Details

The Unpack and Interleave Masks Byte to Word instruction interleaves 8-bit masks into 16-bit mask.

Pseudocode Operation

// Interleaves 8-bit masks into 16-bit mask

Example

KUNPCKBW k1, k2, k3

Encoding

Binary Layout
EVEX
+0
0F
+4
4B
+5
 
Format EVEX
Opcode 0F 4B
Extension AVX-512

Operands

  • dest
    k-reg
  • src1
    k-reg
  • src2
    k-reg