movdir64b

Move Direct Store 64-Bytes

MOVDIR64B m512, m512

Atomically moves 64-byte block avoiding cache pollution.

Details

The Move Direct Store 64-Bytes instruction atomically moves 64-byte block avoiding cache pollution.

Pseudocode Operation

// Atomically moves 64-byte block avoiding cache pollution

Example

MOVDIR64B [rbp-64], [rbp-64]

Encoding

Binary Layout
66
+0
0F
+1
38
+2
F8
+3
 
Format Legacy
Opcode 66 0F 38 F8
Extension MOVDIR64B

Operands

  • dest
    512-bit memory operand
  • src
    512-bit memory operand