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Computing (FOLDOC) dictionary
Microprocessor without Interlocked Pipeline Stages
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processor (MIPS) A project at Stanford University intended
to simplify processor design by eliminating hardware
interlocks between the five pipeline stages. This means
that only single execution cycle instructions can access the
thirty two 32-bit general registers, so that the compiler
can schedule them to avoid conflicts. This also means that
LOAD/STORE and branch instructions have a one-cycle delay to
account for. However, because of the importance of multiply
and divide instructions, a special HI/LO pair of
multiply/divide registers exist which do have hardware
interlocks, since these take several cycles to execute and