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Intel 253666-024US User Manual

Page 650

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3-604 Vol. 2A

MOV—Move

INSTRUCTION SET REFERENCE, A-M

#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.

#UD

If attempt is made to load the CS register.
If the LOCK prefix is used.

Compatibility Mode Exceptions

Same exceptions as in protected mode.

64-Bit Mode Exceptions

#GP(0)

If the memory address is in a non-canonical form.
If an attempt is made to load SS register with NULL segment

selector when CPL = 3.

If an attempt is made to load SS register with NULL segment

selector when CPL < 3 and CPL

RPL.

#GP(selector)

If segment selector index is outside descriptor table limits.
If the memory access to the descriptor table is non-canonical.
If the SS register is being loaded and the segment selector's RPL

and the segment descriptor’s DPL are not equal to the CPL.

If the SS register is being loaded and the segment pointed to is

a nonwritable data segment.

If the DS, ES, FS, or GS register is being loaded and the

segment pointed to is not a data or readable code segment.

If the DS, ES, FS, or GS register is being loaded and the

segment pointed to is a data or nonconforming code segment,
but both the RPL and the CPL are greater than the DPL.

#SS(0)

If the stack address is in a non-canonical form.

#SS(selector)

If the SS register is being loaded and the segment pointed to is
marked not present.

#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.

#UD

If attempt is made to load the CS register.
If the LOCK prefix is used.