This paper studies and designs a novel 32-bit short vectors fast adder for multimedia application.The adder

which is based on Sklansky Parallel-Prefix adder

by controlling the carry chain

realizes both of four and two paralleled addition operations

with 8-bit and 16-bit addends respectively.It also supports one addition operation with 32-bit addends

as well as the comparison operation between single-precision floating-point data.Synthesis shows that

compared with traditional design

the overall performance of our novel adder is better

with a circuit area approach and a timing improved by 10 percent.