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INSTRUCTION SET REFERENCE
MOVLPS—Move Low Packed Single-FP (Continued)
Real Address Mode Exceptions
Interrupt 13
If any part of the operand would lie outside of the effective address space
from 0 to 0FFFFH.
#UD
If CR0.EM = 1.
#NM
If TS bit in CR0 is set.
#UD
If CR4.OSFXSR(bit 9) = 0.
#UD
If CPUID.XMM(EDX bit 25) = 0.
Virtual 8086 Mode Exceptions
Same exceptions as in Real Address Mode.
#PF (fault-code) For a page fault.
#AC
For unaligned memory reference if the current privilege level is 3.
Comments
The usage of Repeat Prefix (F3H) with MOVLPS is reserved. Different processor implementa-
tions may handle this prefix differently. Usage of this prefix with MOVLPS risks incompati-
bility with future processors.
