Software for producing instructions in a compressed format for a

Details Software for producing instructions in a compressed format for a Software for producing instructions in a compressed format for a

1996-05-15

1998-07-28

Coleman, Eric

395379, G06F 700

Patent

active

057873020

ABSTRACT:
Software creates a compressed instruction format for a VLIW processor which allows greater efficiency in use of cache and memory. Instructions are byte aligned and variable length. Branch targets are uncompressed. Format bits specify how many issue slots are used in a following instruction. NOPS are not stored in memory. Individual operations are compressed according to features such as whether they are resultless, guarded, short, zeroary, unary, or binary. Instructions are stored in compressed form in memory and in cache. Instructions are decompressed on the fly after being read out from cache.

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