barrel shifter


Also found in: Wikipedia.

barrel shifter

(hardware)
A hardware device that can shift or rotate a data word by any number of bits in a single operation. It is implemented like a multiplexor, each output can be connected to any input depending on the shift distance.
References in periodicals archive ?
The Select lines for shifting will be derived from barrel shifter.
Several other complex irreversible barrel shifters such as Mask-based data-reversal barrel shifter, Mask-based two's complement barrel shifter and Mask-based one's complement barrel shifter with overflow and zero flag have also been presented by Pillmeier and et al.
Por el lado de los DSP, estos incorporan caracteristicas tales como, en un solo ciclo multiplica y acumula (MAC), barrel shifter y grandes acumuladores.
A 16-bit specialized ALU, augmented, by a 16-bit barrel shifter, is used to perform most arithmetic, logical, and control operations.
SwetaKhatri and GhanshyamJangid (2014) proposed a 64- bit fast VM using barrel shifter based on Nikhilam sutra ([2.