invpcid

Invalidate Process-Context Identifier

INVPCID r32, m128

Invalidates TLB entries based on PCID.

Details

The Invalidate Process-Context Identifier instruction invalidates TLB entries based on PCID.

Pseudocode Operation

// Invalidates TLB entries based on PCID

Example

INVPCID eax, [rbp-16]

Encoding

Binary Layout
66
+0
0F
+1
38
+2
82
+3
 
Format Legacy
Opcode 66 0F 38 82
Extension INVPCID

Operands

  • dest
    32-bit general-purpose register (e.g. EAX)
  • src
    128-bit memory operand