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Intel 253666-024US User Manual

Page 511

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Vol. 2A 3-465

INSTRUCTION SET REFERENCE, A-M

INC—Increment by 1

Protected Mode Exceptions

#GP(0)

If the destination operand is located in a non-writable segment.
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 NULLsegment 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.

#UD

If the LOCK prefix is used but the destination is not a memory

operand.

Real-Address Mode Exceptions

#GP

If a memory operand effective address is outside the CS, DS,

ES, FS, or GS segment limit.

#SS

If a memory operand effective address is outside the SS

segment limit.

#UD

If the LOCK prefix is used but the destination is not a memory

operand.

Virtual-8086 Mode Exceptions

#GP(0)

If a memory operand effective address is outside the CS, DS,

ES, FS, or GS segment limit.

#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 the LOCK prefix is used but the destination is not a memory

operand.

Compatibility Mode Exceptions

Same exceptions as in protected mode.

64-Bit Mode Exceptions

#SS(0)

If a memory address referencing the SS segment is in a non-

canonical form.

#GP(0)

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

#PF(fault-code)

If a page fault occurs.