Processor structure and method for maintaining and restoring precise state at any instruction boundary

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5649136
SERIAL NO

08483958

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Abstract

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A high-performance processor is disclosed with structure and methods for: (1) aggressively scheduling long latency instructions including load/store instructions while maintaining precise state; (2) maintaining and restoring precise state at any instruction boundary; (3) tracking instruction status to maintain precise state; (4) checkpointing instructions to maintain precise state; (5) creating, maintaining, and using a time-out checkpoint; (6) tracking floating-point exceptions; (7) creating, maintaining, and using a watchpoint for plural, simultaneous, unresolved-branch evaluation; and (9) increasing processor throughput while maintaining precise state.

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Patent Owner(s)

Patent OwnerAddress
FUJITSU LIMITED1-1 KAMIKODANAKA 4-CHOME NAKAHARA-KU KAWASAKI-SHI KANAGAWA 211-8588

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Patkar, Niteen A Sunnyvale, CA 11 547
Shebanow, Michael C Plano, TX 48 1512
Shen, Gene W Mountain View, CA 21 874
Szeto, John Oakland, CA 10 384

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