vpopcntb

Packed Population Count Byte

VPOPCNTB zmm1 {k1}, zmm2/m512

Counts set bits in each byte.

Details

The Packed Population Count Byte instruction counts set bits in each byte.

Pseudocode Operation

// Counts set bits in each byte

Example

VPOPCNTB 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
    ZMM
  • src
    ZMM/Mem