Microprocessor for performing signed operations with unsigned in

Details Microprocessor for performing signed operations with unsigned in Microprocessor for performing signed operations with unsigned in

1997-06-13

2000-01-25

Coulter, Kenneth

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708670, 708490, G06F 738

Patent

active

060187514

ABSTRACT:
A mechanism in a microprocessor to transform signed data to an unsigned format so that the signed data can be processed by unsigned instructions. In particular, a subtraction of two signed numbers can be transformed into a subtraction of two unsigned numbers.

REFERENCES:
patent: 4935890 (1990-06-01), Funyu
patent: 5745125 (1998-04-01), Deering et al.
patent: 5801975 (1998-09-01), Thayer et al.
Japanese Abstract No. 362224830; Ushinmei Oct. 1987.
Japanese Abstract No. 405303498: Nakamura et al., Nov. 1993.

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