首页> 外国专利> DELIVERING IMMEDIATE VALUES BY USING PROGRAM COUNTER (PC)-RELATIVE LOAD INSTRUCTIONS TO FETCH LITERAL DATA IN PROCESSOR-BASED DEVICES

DELIVERING IMMEDIATE VALUES BY USING PROGRAM COUNTER (PC)-RELATIVE LOAD INSTRUCTIONS TO FETCH LITERAL DATA IN PROCESSOR-BASED DEVICES

机译:通过使用程序计数器(PC) - 相关的负载指令来提供立即值,以在基于处理器的设备中获取文字数据

摘要

Delivering immediate values by using program counter (PC)-relative load instructions to fetch literal data in processor-based devices is disclosed. In this regard, a processing element (PE) of a processor-based device provides an execution pipeline circuit that comprises an instruction processing portion and a data access portion. Using a literal data access logic circuit, the PE detects a PC-relative load instruction within a fetch window that includes multiple fetched instructions. The PE determines that the PC-relative load instruction can be serviced using literal data that is available to the instruction processing portion of the execution pipeline circuit (e.g., located within the fetch window containing the PC-relative load instruction, or stored in a literal pool buffer). The PE then retrieves the literal data within the instruction processing portion of the execution pipeline circuit, and executes the PC-relative load instruction using the literal data.
机译:公开了通过使用程序计数器(PC)的立即提供立即值 - 公开了基于处理器的设备中的提取文字数据。 在这方面,基于处理器的设备的处理元件(PE)提供了包括指令处理部分和数据访问部分的执行流水线电路。 使用文字数据访问逻辑电路,PE检测包括多个获取指令的获取窗口中的PC相对加载指令。 PE确定可以使用可用于执行流水线电路的指令处理部分(例如,位于包含PC相对加载指令的获取窗口内的文字数据来提供PC相对负载指令,或者存储在文字中 池缓冲区)。 然后,PE检索执行流水线电路的指令处理部分内的文字数据,并使用文字数据执行PC相对负载指令。

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