Patent · US Expired

Instruction substitution mechanism in an instruction handling unit of a data processing system

US4439828A · kind A · utility

77Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 27, 1981
Grant dateMar 27, 1984
Priority date
Expiry dateJul 27, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F9/3853
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Buffered, pre-fetched instructions in the instruction handling portion of a data processing system are examined to detect sequences of predetermined instructions to effect generation of a substitute instruction to be executed by an execution unit in place of the first instruction of the sequence to perform the functions specified by all of the instructions of the sequence.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.