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公开(公告)号：JP2001243071A
公开(公告)日：2001-09-07
申请号：JP2001025765
申请日：2001-02-01
Applicant: IBM
Inventor： BRIAN KING FURACCHISU , HOFSTEE HARM PETER , OSAMU TAKAHASHI
IPC: G06F9/38
Abstract: PROBLEM TO BE SOLVED: To provide a method for speculatively judging dependency and a pipe line processor. SOLUTION: A processor successively processes plural instructions. Whether or not dependency exists is judged by a speculative detecting circuit whose operation requires plural clock cycles. The speculative detecting circuit inserts one cycle pipe line stall only when responding to judgment that the speculative dependency exists.
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