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Volume 3: Instruction Reference
psad
psad — Parallel Sum of Absolute Difference
Format:
(
qp
) psad1
r
1
=
r
2
,
r
3
Description:
The unsigned 8-bit elements of GR
r
2
are subtracted from the unsigned 8-bit elements
of GR
r
3
. The absolute value of each difference is accumulated across the elements and
placed in GR
r
1
.
Figure 2-38. Parallel Sum of Absolute Difference Example
psad1
GR r
2
:
GR r
1
:
GR r
3
:
-
-
-
-
-
-
-
-
abs
+
+
+
+
+
+
+
abs abs abs abs abs abs abs
Содержание Itanium 9150M
Страница 1: ......
Страница 209: ...3 200 Volume 3 Instruction Reference padd Interruptions Illegal Operation fault...
Страница 301: ...3 292 Volume 3 Pseudo Code Functions Intel Itanium Architecture Software Developer s Manual Rev 2 3...
Страница 405: ...3 396 Volume 3 Resource and Dependency Semantics...
Страница 406: ...3 397 Intel Itanium Architecture Software Developer s Manual Rev 2 3 Index...
Страница 407: ...3 398 Intel Itanium Architecture Software Developer s Manual Rev 2 3...
Страница 419: ...INDEX Index 12 Index for Volumes 1 2 3 and 4...
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