vpopcntw

Packed Population Count Word

VPOPCNTW zmm1 {k1}, zmm2/m512

Counts set bits in each word element.

Details

The Packed Population Count Word instruction counts set bits in each word element.

Pseudocode Operation

// Counts set bits in each word element

Example

VPOPCNTW zmm1, zmm2/m512

Encoding

Binary Layout
EVEX
+0
66
+4
0F
+5
38
+6
54
+7
 
Format EVEX
Opcode 66 0F 38 54
Extension AVX-512-BITALG

Operands

  • dest
    512-bit ZMM AVX-512 register
  • src
    512-bit ZMM AVX-512 register or Memory operand