Motorola MPC823e Reference Manual page 1214

MPC823e Instruction Set—ecowx
B-56
If this instruction is executed when MSR[DR] = 0 (real
addressing mode), the results are boundedly undefined. This
instruction is treated as a store from the addressed byte with
respect to address translation, memory protection, nd
referenced and changed bit recording, and the ordering
performed by eieio. This instruction is optional in the PowerPC
architecture.
Other registers altered:
• None
POWERPC ARCHITECTURE
LEVEL
VEA
MPC823e REFERENCE MANUAL
SUPERVISOR OPTIONAL
LEVEL
√
MOTOROLA
FORM
X