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公开(公告)号：EP0636256B1
公开(公告)日：1997-06-04
申请号：EP93906834.2
申请日：1993-03-26
发明人： GARG, Sanjiv , IADONATO, Kevin, Ray
IPC分类号： G06F9/38
CPC分类号： G06F9/3013 , G06F9/3824 , G06F9/3838 , G06F9/384 , G06F9/3855
摘要： A register renaming system for out-of-order execution of a set of reduced instruction set computer instructions having addressable source and destination register fields, adapted for use in a computer having an instruction execution unit with a register file accessed by read address ports and for storing instruction operands. A data dependance check circuit is included for determining data dependencies between the instructions. A tag assignment circuit generates one or more tags to specify the location of operands, based on the data dependencies determined by the data dependence check circuit. A set of register file port multiplexers select the tags generated by the tag assignment circuit and pass the tags onto the read address ports of the register file for storing execution results.
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公开(公告)号：EP0636256A1
公开(公告)日：1995-02-01
申请号：EP93906834.0
申请日：1993-03-26
发明人： GARG, Sanjiv , IADONATO, Kevin, Ray
CPC分类号： G06F9/3013 , G06F9/3824 , G06F9/3838 , G06F9/384 , G06F9/3855
摘要： A register renaming system for out-of-order execution of a set of reduced instruction set computer instructions having addressable source and destination register fields, adapted for use in a computer having an instruction execution unit with a register file accessed by read address ports and for storing instruction operands. A data dependance check circuit is included for determining data dependencies between the instructions. A tag assignment circuit generates one or more tags to specify the location of operands, based on the data dependencies determined by the data dependence check circuit. A set of register file port multiplexers select the tags generated by the tag assignment circuit and pass the tags onto the read address ports of the register file for storing execution results.
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