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VHSUB
Vector Halving Subtract.
Syntax
VHSUB{conddatatypeQdQnQm
VHSUB{conddatatypeDdDnDm
where:
condis an optional condition code.
datatypemust be one of
S8,S16,S32,U8,U16, orU32.Qd,Qn,Qmare the destination vector, the first operand vector, and the second operand vector, for a quadword operation.
Dd,Dn,Dmare 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.