首页> 外国专利> 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

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

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.
机译:一种计算机处理器,包括执行逻辑(具有多个功能单元),该执行逻辑被配置为执行访问存储在多个操作数存储元件中的操作数数据值的操作。这样的操作数数据值包括指示丢失的操作数值的预定义的无操作数数据值。这些操作包括RETIRE操作,该操作指定要在预定义的机器周期中淘汰的多个操作数数据值。在执行RETIRE操作的过程中,根据RETIRE操作指定的操作数数据值的数量和由于以下原因而要撤消的操作数数据值的数量,在预定义的机器周期中有选择地淘汰无操作数数据值中的零或多个。执行逻辑在预定义的机器周期中执行其他操作。还描述和要求了其他方面和软件工具。

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