桶形移位器,8位,16位,32位,含ARM桶形移位器。南大计算机系计算机组成原理实验-Barrel shifter, 8, 16, 32, including the ARM barrel shifter. NJU Department of Computer Science Experimental Computer System
32位桶氏移位器,实现了逻辑左移、逻辑右移和算术右移,以下是代码片段: -- bshift.vhdl A barrel shifter for 32 bit words -- includes shift left logical (sll), shift right logical(srl) and -- shift right arithmetic (sra) -- both behavioral and circuit models (two architectures) include