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VHSUB
Vector Halving Subtract.
Syntax
VHSUB
{
}.cond
{datatype
}, Qd
,
Qn
Qm
VHSUB
{
}.cond
{datatype
}, Dd
,
Dn
Dm
where:
cond
is an optional condition code.
datatype
must be one of
S8
,S16
,S32
,U8
,U16
, orU32
.Qd
,Qn
,Qm
are the destination vector, the first operand vector, and the second operand vector, for a quadword operation.
Dd
,Dn
,Dm
are the destination vector, the first operand vector, and the second operand vector, for a doubleword operation.
Operation
VHSUB
subtracts the elements of one vector from the corresponding elements
of another vector, shifts each result right one bit, and places the results in the
destination vector. Results are always truncated.