hreset

History Reset

HRESET imm8

Resets processor history (prediction) structures.

Details

The History Reset instruction resets processor history (prediction) structures.

Pseudocode Operation

// Resets processor history (prediction) structures

Example

HRESET 3

Encoding

Binary Layout
F3
+0
0F
+1
3A
+2
F0
+3
 
Format Legacy
Opcode F3 0F 3A F0
Extension HRESET

Operands

  • dest
    8-bit signed immediate