RISC设计是面向寄存器堆操作的。
重点讨论了其中的整数执行部件的设计，包括ALU、乘法器、桶式移位器、寄存器堆等重要执行部件。
It is given that the detailed design of the integer execution unit, include ALU, multiplier, barrel shifter and register files.
对于流水线型的超大规模微处理器，通常采用多端口的寄存器堆暂存中间数据，这些读写操作势必增加寄存器堆的芯片面积和功耗。
A multi-ported register file is often required by the superscalar microprocessor to handle multiple simultaneous loads and stores, which cause large increase in area and power consumption.
在电流工作方式下，通过设计优化的存储单元、新型高速电流灵敏放大器以及一种灵敏放大器控制信号产生电路，提高了寄存器堆的读取速度。
High speed is achieved by using current mode techniques, which include designing optimum register cell, new high speed current sense amplifier and sense amplifier control signal generator.
在电流工作方式下，通过设计优化的存储单元、新型高速电流灵敏放大器以及一种灵敏放大器控制信号产生电路，提高了寄存器堆的读取速度。
High speed is achieved by using current mode techniques, which include designing optimum register cell, new high speed current sense amplifier and sense amplifier control signal generator.
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