12.77 VPADAL

Vector Pairwise Add and Accumulate Long.

Syntax

VPADAL{cond}.datatype Qd, Qm

VPADAL{cond}.datatype Dd, Dm

where:

cond

is an optional condition code.

datatype

must be one of S8, S16, S32, U8, U16, or U32.

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

VPADAL adds adjacent pairs of elements of a vector, and accumulates the absolute values of the results into the elements of the destination vector.

Figure 12-3 Example of operation of VPADAL (in this case for data type S16)
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