Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1145

shladdp4
shladdp4 — Shift Left and Add Pointer
( ) shladdp4
Format: qp
The first source operand is shifted to the left by
Description:
second source operand. The upper 32 bits of the result are forced to zero, and then bits
{31:30} of GR
The first operand can be shifted by 1, 2, 3, or 4 bits.
Figure 2-43.
GR r :
2
Operation: if (PR[qp]) {
check_target_register(r
tmp_res = (GR[r
tmp_res = zero_ext(tmp_res{31:0}, 32);
tmp_res{62:61} = GR[r
GR[r ] = tmp_res;
1
GR[r ].nat = GR[r
1
}
Illegal Operation fault
Interruptions:
3:246
= , ,
r r count r
1 2 2 3
are copied to bits {62:61} of the result. This result is placed in GR
r
3
Shift Left and Add Pointer
0
GR r :
1
);
1
] << count ) + GR[r
2 2
]{31:30};
3
].nat || GR[r
2
bits and then is added to the
count
2
GR r :
3
+
0
];
3
].nat;
3
Volume 3: Instruction Reference
A2
.
r
1