PSUBUSB/PSUBUSW—Packed Subtract Unsigned with Saturation
(continued)
Real-Address Mode Exceptions
#GP
#UD
#NM
#MF
Virtual-8086 Mode Exceptions
#GP
#UD
#NM
#MF
#PF(fault-code)
#AC(0)
4:454
If any part of the operand lies outside of the effective address space
from 0 to FFFFH.
If EM in CR0 is set.
If TS in CR0 is set.
If there is a pending FPU exception.
If any part of the operand lies outside of the effective address space
from 0 to FFFFH.
If EM in CR0 is set.
If TS in CR0 is set.
If there is a pending FPU exception.
If a page fault occurs.
If alignment checking is enabled and an unaligned memory
reference is made.
Volume 4: IA-32 Intel
®
MMX™ Technology Instruction Reference