FLDENV—Load FPU Environment (Continued)
Protected Mode Exceptions
#GP(0)
#SS(0)
#NM
#PF(fault-code)
#AC(0)
Real Address Mode Exceptions
#GP
#SS
#NM
Virtual 8086 Mode Exceptions
#GP(0)
#SS(0)
#NM
#PF(fault-code)
#AC(0)
4:144
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.
If a memory operand effective address is outside the SS segment
limit.
EM or TS in CR0 is set.
If a page fault occurs.
If alignment checking is enabled and an unaligned memory
reference is made while the current privilege level is 3.
If a memory operand effective address is outside the CS, DS, ES, FS,
or GS segment limit.
If a memory operand effective address is outside the SS segment
limit.
EM or TS in CR0 is set.
If a memory operand effective address is outside the CS, DS, ES, FS,
or GS segment limit.
If a memory operand effective address is outside the SS segment
limit.
EM or TS in CR0 is set.
If a page fault occurs.
If alignment checking is enabled and an unaligned memory
reference is made.
Volume 4: Base IA-32 Instruction Reference