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INSTRUCTION SET REFERENCE
FSUBR/FSUBRP/FISUBRReverse Subtract (Continued)
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.
#NM
EM or TS in CR0 is set.
#PF(fault-code)If a page fault occurs.
#AC(0)
If alignment checking is enabled and an unaligned memory reference is
made.
