vptestmb

Packed Test Mask Byte

VPTESTMB k1 {k2}, zmm2, zmm3/m512

Tests byte integers and sets k-register mask.

Details

The Packed Test Mask Byte instruction tests byte integers and sets k-register mask.

Pseudocode Operation

// Tests byte integers and sets k-register mask

Example

VPTESTMB k1, zmm2, zmm3/m512

Encoding

Binary Layout
EVEX
+0
opcode
+4
ModRM
+5
 
Format EVEX
Opcode 62 F2 ... 26
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