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INSTRUCTION SET REFERENCE
LARLoad Access Rights Byte (Continued)
Flags Affected
The ZF flag is set to 1 if the access rights are loaded successfully; otherwise, it is cleared to 0.
Protected Mode Exceptions
#GP(0)
If a memory operand effective address is outside the CS, DS, ES, FS, or
GS segment limit.
If the DS, ES, FS, or GS register is used to access memory and it contains
a null segment selector.
#SS(0)
If a memory operand effective address is outside the SS segment limit.
#PF(fault-code)If a page fault occurs.
#AC(0)
If alignment checking is enabled and an unaligned memory reference is
made while the current privilege level is 3. (Only occurs when fetching
target from memory.)
Real-Address Mode Exceptions
#UD
The LAR instruction is not recognized in real-address mode.
Virtual-8086 Mode Exceptions
#UD
The LAR instruction cannot be executed in virtual-8086 mode.
