Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1147

shrp
shrp — Shift Right Pair
( ) shrp
Format: qp r
The two source operands, GR
Description:
shifted to the right count
GR .
r
1
The immediate value count
Figure 2-44.
GR r :
2
Operation: if (PR[qp]) {
check_target_register(r
temp1 = shift_right_unsigned(GR[r
temp2 = GR[r
GR[r ] = zero_ext(temp1, 64 - count
1
GR[r ].nat = GR[r
1
}
Illegal Operation fault
Interruptions:
3:248
= , ,
r r count
1 2 3 6
and GR
r
2
bits. The least-significant 64 bits of the result are placed in
6
can be any number in the range 0 to 63.
6
Shift Right Pair
);
1
] << (64 - count
2
].nat || GR[r
2
, are concatenated to form a 128-bit value and
r
3
GR r :
1
], count );
3 6
);
6
) | temp2;
6
].nat;
3
I10
GR r :
3
Volume 3: Instruction Reference