Manipulation of boolean values and conditional operation in a mi

Details Manipulation of boolean values and conditional operation in a mi Manipulation of boolean values and conditional operation in a mi

1996-02-09

1999-10-12

Mai, Tan V.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708231, G06F 738

Patent

active

059648252

ABSTRACT:
A general purpose microprocessor architecture enabling more efficient computations of a type in which Boolean operations and arithmetic operations conditioned on the results of the Boolean operations are interleaved. The microprocessor is provided with a plurality of general purpose registers ("GPRs" 102) and an arithmetic logic unit ("ALU" 104), capable of performing arithmetic operations and comparison operations. The ALU has a first input (108) and a second input (110), and an output (112), the first and second inputs receiving values stored in the GPRs. The output stores the results of the arithmetic logic unit operations in the GPRs. At least one of the GPRs is capable of receiving directly from the ALU a result of a Boolean operation. In one embodiment, at least one of the GPRs (PN) capable of receiving directly from the ALU a result of a Boolean operation is configured so as to cause the conditioning of an arithmetic operation of the ALU based on the value stored in the GPR.

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