On page 3-15 of the Users Handbook, example 6 shows that the sign bit of Q4 of T is copied into all the bits of Xj.
This is an interesting example because most examples only show sign extension happening into the further-left bits of the E register. This example shows sign extension happening in an X register. Example 4 on the previous page also shows sign extension.
On page 3-15 of the Users Handbook, example 6 shows that the sign bit of Q4 of T is copied into all the bits of Xj.
This is an interesting example because most examples only show sign extension happening into the further-left bits of the E register. This example shows sign extension happening in an X register. Example 4 on the previous page also shows sign extension.