vpcmpb

Compare Packed Byte Integers

VPCMPB k1 {k2}, zmm2, zmm3/m512, imm8

Compares bytes and stores result in k-register mask.

Details

The Compare Packed Byte Integers instruction compares bytes and stores result in k-register mask.

Pseudocode Operation

// Compares bytes and stores result in k-register mask

Example

VPCMPB k1, zmm2, zmm3/m512, 3

Encoding

Binary Layout
EVEX
+0
opcode
+4
ModRM
+5
 
Format EVEX
Opcode 62 F3 ... 3F
Extension AVX-512BW

Operands

  • dest
    AVX-512 opmask register (k0-k7)
  • src1
    512-bit ZMM AVX-512 register
  • src2
    512-bit ZMM AVX-512 register or Memory operand
  • src3
    8-bit signed immediate