Processor and control method for performing proper saturation op

Details Processor and control method for performing proper saturation op Processor and control method for performing proper saturation op

1996-09-27

1998-12-08

Malzahn, David H.

Boots, shoes, and leggings

395562, G06F 9302

Patent

active

058479783

ABSTRACT:
A processor including an arithmetic operation circuit and a saturation operation correction circuit both of which are connected in parallel to a register and a data bus and are activated by respective operation instructions. The saturation operation correction circuit judges whether an output from a register file exceeds either of a predetermined upper-most value and a predetermined lower-most value, and selectively outputs one of an operation result, the upper-most value, and the lower-most value.

REFERENCES:
patent: 5251166 (1993-10-01), Ishida
patent: 5402368 (1995-03-01), Yamada et al.
patent: 5448509 (1995-09-01), Lee et al.
patent: 5504697 (1996-04-01), Ishida
patent: 5508951 (1996-04-01), Ishikawa

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