发明授权
US5504870A Branch prediction device enabling simultaneous access to a content-addressed memory for retrieval and registration 失效
分支预测装置,能够同时访问内容寻址的存储器以进行检索和注册

  • 专利标题: Branch prediction device enabling simultaneous access to a content-addressed memory for retrieval and registration
  • 专利标题(中): 分支预测装置,能够同时访问内容寻址的存储器以进行检索和注册
  • 申请号: US448180
    申请日: 1995-05-23
  • 公开(公告)号: US5504870A
    公开(公告)日: 1996-04-02
  • 发明人: Junji MoriMitsuo Saito
  • 申请人: Junji MoriMitsuo Saito
  • 申请人地址: JPX Kawasaki
  • 专利权人: Kabushiki Kaisha Toshiba
  • 当前专利权人: Kabushiki Kaisha Toshiba
  • 当前专利权人地址: JPX Kawasaki
  • 优先权: JPX3-090515 19910422
  • 主分类号: G06F9/38
  • IPC分类号: G06F9/38
Branch prediction device enabling simultaneous access to a
content-addressed memory for retrieval and registration
摘要:
The branch prediction device of this invention is for use in a pipeline processor where a plurality of instructions are simultaneously processed in various stages, such as the fetch stage, execution stage, memory access stage and register write stage. A two-port branch prediction buffer enables simultaneous operation of the registration and retrieval processes so that a previously registered address can be obtained during the same clock pulse as registration of another branch address occurs.
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