US 6,983,297 B2
Shifting an operand left or right while minimizing the number of multiplexor stages
Amitabh Menon, Karnataka (India); and Ajit Gupte, Maharashtra (India)
Assigned to Texas Instruments Incorporated, Dallas, Tex. (US)
Filed on Jul. 17, 2002, as Appl. No. 10/196,581.
Claims priority of provisional application 60/312271, filed on Aug. 16, 2001.
Prior Publication US 2003/0034824 A1, Feb. 20, 2003
Int. Cl. G06F 15/00 (2006.01)
U.S. Cl. 708—209 42 Claims
OG exemplary drawing
 
1. A log shifter for shifting an operand in either left direction or right direction, said log shifter comprising:
a first multiplexor shifting said operand in one direction to generate a first output; and
a second multiplexor coupled to receive said first output, said second multiplexor shifting said first output in another direction to generate a second output.