vpexpandb

Load Sparse Packed Byte Integer Values

VPEXPANDB zmm1 {k1}, m512

Expands bytes from memory into sparse locations in ZMM.

Details

The Load Sparse Packed Byte Integer Values instruction expands bytes from memory into sparse locations in ZMM.

Pseudocode Operation

// Expands bytes from memory into sparse locations in ZMM

Example

VPEXPANDB zmm1, [rbp-64]

Encoding

Binary Layout
EVEX
+0
66
+4
0F
+5
38
+6
62
+7
 
Format EVEX
Opcode 66 0F 38 62
Extension AVX-512-VBMI2

Operands

  • dest
    ZMM
  • src
    Mem