Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1157

sxt
sxt — Sign Extend
(qp) sxt
Format: xsz r
The value in GR
Description:
is placed in GR
Table 2-52.
Operation: if (PR[qp]) {
check_target_register(r
GR[r ] = sign_ext(GR[r
1
GR[r ].nat = GR[r
1
}
Illegal Operation fault
Interruptions:
3:258
=
r
1 3
is sign extended from the bit position specified by xsz and the result
r
3
. The mnemonic values for xsz are given in
r
1
xsz Mnemonic Values
xsz Mnemonic
1
2
4
);
1
],xsz * 8);
3
].nat;
3
Table 2-52.
Bit Position
7
15
31
Volume 3: Instruction Reference
I29