ECB is not intended for flushing caches prior to power failure or low power operation

— CFLUSH is intended for that purpose.

Implementation Note:

Implementations with set-associative caches are encouraged to update their allocation pointer so that the next D-stream reference that misses the cache and maps to this line is allocated into the vacated set.

Instruction Descriptions 4–137

Page 193
Image 193
Compaq ECQD2KCTE manual Implementation Note