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Computer processor employing explicit operations that support execution of software pipelined loops and a compiler that utilizes such operations for scheduling software pipelined loops
Computer processor employing explicit operations that support execution of software pipelined loops and a compiler that utilizes such operations for scheduling software pipelined loops
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机译:采用支持软件流水线循环执行的显式操作的计算机处理器和利用此类操作调度软件流水线循环的编译器
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摘要
A computer processor includes execution logic (having a number of functional units) configured to perform operations that access operand data values stored in a plurality of operand storage elements. Such operand data values include a predefined None operand data value indicative of a missing operand value. The operations include a RETIRE operation specifying a number of operand data values that is intended to be retired in a predefined machine cycle. During execution of the RETIRE operation, zero or more at None operand data values are selectively retired in the predefined machine cycle based on the number of operand data values specified by the RETIRE operation and the number of operand data values to be retired as a result of execution of other operations by the execution logic in the predefined machine cycle. Other aspects and software tools are also described and claimed.
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