Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1208
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4.2.3.1
Multimedia ALU
40
A9
Instruction
padd1
padd2
padd4
padd1.sss
padd2.sss
padd1.uuu
padd2.uuu
padd1.uus
padd2.uus
psub1
psub2
psub4
psub1.sss
psub2.sss
psub1.uuu
psub2.uuu
psub1.uus
psub2.uus
pavg1
pavg2
pavg1.raz
pavg2.raz
pavgsub1
pavgsub2
pcmp1.eq
pcmp2.eq
pcmp4.eq
pcmp1.gt
pcmp2.gt
pcmp4.gt
4.2.3.2
Multimedia Shift and Add
40
A10
Instruction
pshladd2
pshradd2
Volume 3: Instruction Formats
37 36 35 34 33 32
29 28 27 26
8
z
x
z
x
x
a
2a
b
4
2b
4
1
2
1
4
2
Operands
r
= r
, r
1
2
3
37 36 35 34 33 32
29 28 27 26
8
z
x
z
x
ct
a
2a
b
4
2d
4
1
2
1
4
2
Operands
r
= r
, count
, r
1
2
2
3
20 19
r
r
3
2
7
7
Opcode
x
z
2a
a
0
1
0
0
0
0
1
0
8
1
0
0
0
0
0
0
1
0
1
20 19
r
r
3
2
7
7
Opcode
x
2a
8
1
13 12
6 5
r
1
7
Extension
z
x
x
b
4
2b
0
1
0
0
0
1
1
0
0
2
1
0
3
1
0
1
0
0
0
1
1
1
0
2
1
0
3
1
0
2
1
2
0
3
1
0
3
2
1
0
1
0
0
9
0
1
1
0
13 12
6 5
r
1
7
Extension
z
z
x
a
b
4
4
0
1
6
0
qp
6
0
qp
6
3:309
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