Patent · US Expired

Microinstruction pointer stack including speculative pointers for out-of-order execution

US7231511B2 · kind B2 · utility

3Cited by
9References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 2001
Grant dateJun 12, 2007
Priority date
Expiry dateJan 3, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F9/3858
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Methods and apparatus, including computer program products, for a microinstruction pointer stack in a processor. A method executed in a processor includes executing microcode (μcode) addressed by pointers stored in an out-of-order microinstruction pointer (μIP) stack, and manipulating the μIP stack with a set of microinstructions.

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