System for selectively masking operand portions for processing t

Details System for selectively masking operand portions for processing t System for selectively masking operand portions for processing t

1990-04-23

1994-07-05

Harrell, Robert B.

Boots, shoes, and leggings

364736, 364258, 3642597, 3642595, 3649371, 3649474, 3649476, 364DIG2, 395775, 395800, G06F 9302

Patent

active

053275438

ABSTRACT:
A processor capable of processing data of a structure having a first information field and a second information field includes conservation means for conserving the information of the predetermined second information field of the input data. Thus, in executing a logical operation or a shift operation, the step of separating the first data fields and second data fields from the data to-be-processed and the step of affixing the predetermined second field to the result of the operation are dispensed with, thereby to achieve a high-speed operation for the data of the structure having the first information field and the second information field.

REFERENCES:
patent: 4139899 (1979-02-01), Tulpule et al.
patent: 4241396 (1980-12-01), Mitchell et al.
David A. Moon, "Symbolics Architecture", 8153 Computer, vol. 20, No. 1, Jan. 1987, pp. 43-52. (Provided in English).

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