Inventor

UNDY STEPHEN R

US17 patents

⚠️ This page may combine multiple inventors who share the name “UNDY STEPHEN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNDY STEPHEN R

HEWLETT PACKARD DEVELOPMENT CO

Method and apparatus for implementing a single-syllable IP-relative branch instruction and a long IP-relative branch instruction in a processor which fetches instructions in bundle form

Prefetch instruction for an unpredicted path including a flush field for indicating whether earlier prefetches are to be discarded and whether in-progress prefetches are to be aborted

Method and apparatus for implementing two architectures in a chip

Method and apparatus for fetching instructions from the memory subsystem of a mixed architecture processor into a hardware emulation engine

Automatic manufacturing test case generation method and system

Non-speculative instruction fetch in speculative processing

Register renaming to reduce bypass and increase apparent physical register size

Apparatus and method for shift register rate control of microprocessor instruction prefetches

Method and apparatus for implementing two architectures in a chip using bundles that contain microinstructions and template information

Method and apparatus for fetching instructions from the memory subsystem of a mixed architecture processor into a hardware emulation engine

HEWLETT PACKARD CO

Integrated debug trigger method and apparatus for an integrated circuit

Associative cache memory with improved hit time

Method and apparatus for reducing cache pollution

Opportunistic use of pre-corrected data to improve processor performance

Multi-level instruction cache for a computer

Mechanism for broadside reads of CAM structures

Simultaneous execution of two memory reference instructions with only one address calculation