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VPADDL
Vector Pairwise Add Long.
Syntax
VPADDL
{
}.cond
datatype
, Qd
Qm
VPADDL
{
}.cond
datatype
, Dd
Dm
where:
cond
is an optional condition code.
datatype
must be one of
S8
,S16
,S32
,U8
,U16
, orU32
.Qd
,Qm
are the destination vector and the operand vector, for a quadword instruction.
Dd
,Dm
are the destination vector and the operand vector, for a doubleword instruction.
Operation
VPADDL
adds adjacent pairs of elements of a vector, sign or zero extends
the results to twice their original width, and places the final results in the destination
vector.
Figure 14-5 Example of operation of doubleword VPADDL (in this case, for data type S16)