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CS/CoE0447: Computer Organization and Assembly Language. University of Pittsburgh. 40. Shift Instructions. ▫ “Move” bits in a register. Shift instructions move a bit string (or operand treated as a bit string) to the right or left, with excess bits discarded (although one or more bits might be The logical shift instructions are mainly used when you want to get rid of bits on the beginning or end of a number. They are also used when you want to The SHR (shift right) instruction performs a logical right shift on the destination operand. The highest bit position is filled with a zero. Application: Arithmetic shift right by n bits moves the left-hand 32-n bits of a register to the right by n places, into the right-hand 32-n bits of the result. It copiesContents · 1 Logical Shift Instructions · 2 Arithmetic Shift Instructions · 3 Extended Shift Instructions · 4 Rotate Instructions. 4.1 Rotate Right. 4.1.1 Operands