发明名称 Method for providing zero overhead looping using carry chain masking
摘要 A method for reducing overhead on a loop of a plurality of instructions is disclosed. The method includes providing a carry mask, the carry mask having a first value for the loop being performed at least the particular number of times minus one and a second value for at least a last instruction of the loop being performed a last time, providing addition logic, wherein the carry mask and a current instruction address of the plurality of instructions correspond to inputs of the addition logic and determining which of the plurality of instructions is to be executed using the carry mask to provide a resultant of the addition logic based on the carry mask and the current instruction address of the plurality of instructions.
申请公布号 US7558948(B2) 申请公布日期 2009.07.07
申请号 US20040946465 申请日期 2004.09.20
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 BYBELL ANTHONY J.;DOING RICHARD W.;DUKRO DAVID D.
分类号 G06F9/00;G06F9/44 主分类号 G06F9/00
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