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LAR
Loads the selector from the Local Descriptor Table register (LDTR) into the specified register.
The following table covers what the source and destinations can be.
| source | destination(s) |
|---|---|
| LDTR | r16/r32 |
| #I | mN |
| #I | imm |
DO NOT support LOCK
This instruction is NOT supported in 64-bit mode. It is only available in compatibility mode and legacy 32-bit/16-bit modes.
The destination register MUST be a general-purpose register. If the destination is a 32-bit register, the upper 32 bits of the 64-bit register (in compatibility mode) are set to zero. Failure to use this instruction within a supported mode SHALL result in an invalid opcode exception.