bndcl

Check Lower Bound

BNDCL b, r/m

Checks if address is within lower bound.

Details

The Check Lower Bound instruction checks if address is within lower bound.

Pseudocode Operation

// Checks if address is within lower bound

Example

BNDCL b, rbx

Encoding

Binary Layout
F3
+0
0F
+1
1A
+2
 
Format Legacy
Opcode F3 0F 1A
Extension MPX

Operands

  • dest
    MPX bounds register (bnd0–bnd3)
  • src
    Register or memory operand