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Exploiting an architected list-use operand indication in a computer system operand resource pool
Exploiting an architected list-use operand indication in a computer system operand resource pool
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机译:在计算机系统操作数资源池中利用结构化的列表使用操作数指示
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摘要
A pool of available physical registers are provided for architected registers, wherein operations are performed that activate and deactivate selected architected registers, such that the deactivated selected architected registers need not retain values, and physical registers can be deallocated to the pool, wherein deallocation of physical registers is performed after a last-use by a designated last-use instruction, wherein the last-use information is provided either by the last-use instruction or a prefix instruction, wherein reads to deallocated architecture registers return an architected default value.
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