3-415
INSTRUCTION SET REFERENCE
MOVDMove 32 Bits (Continued)
Operation
IF DEST is MMX technology register
THEN
DEST
<
ZeroExtend(SRC);
ELSE (* SRC is MMX technology register *)
DEST
<
LowOrderDoubleword(SRC);
Flags Affected
None.
Protected Mode Exceptions
#GP(0)
If the destination operand is in a nonwritable segment.
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.
#UD
If EM in CR0 is set.
#NM
If TS in CR0 is set.
#MF
If there is a pending FPU exception.
#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.
Real-Address Mode Exceptions
#GP
If any part of the operand lies outside of the effective address space from
0 to FFFFH.
#UD
If EM in CR0 is set.
#NM
If TS in CR0 is set.
#MF
If there is a pending FPU exception.
