Invention Grant
US08090933B2 Methods computer program products and systems for unifying program event recording for branches and stores in the same dataflow 有权
方法计算机程序产品和系统,用于在同一数据流中统一分支和存储的程序事件记录

Methods computer program products and systems for unifying program event recording for branches and stores in the same dataflow
Abstract:
The present invention relates to a method for the unification of PER branch and PER store operations within the same dataflow. The method comprises determining a PER range, the PER range comprising a storage area defined by a designated storage starting area and a designated storage ending area, wherein the storage starting area is designated by a value of the contents of a first control register and the storage ending area is designated by a value of the contents of a second control register. The method also comprises retrieving register field content values that are stored at a plurality of registers, wherein the retrieved content values comprises a length field content value, and setting the length field content value to zero for a PER branch instruction, thereby enabling a PER branch instruction to performed similarly to a PER storage instruction.
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