Discuss various HDL coding issues that affect performance uShared Expressions uShannon Expansion uOperand Reordering uPriority Encoding » Parallel Case uRAM Inferencing uOther coding issues » Latch Generation » Sensitivity List » Definition u Share identical boolean (sub-)expressions(&,|,… ) » Pros and Cons u Saves Area u Done automatically u Generally have minimal timing impact u Some situations require source code changes » manual replication » When to use it u Share common expressions to save area (automatic) u Manually replicate expressions to control loading » Large number of loads within a black box » Reduce loading on a critical path HDL Coding Techniques for Performance...... www.m448 中国最大的资料库下载