公开(公告)号：US07237096B1

公开(公告)日：2007-06-26

申请号：US10818043

申请日：2004-04-05

申请人： Julian A. Prabhu ,  Atul Kalambur ,  Sudarshan Kadambi ,  Daniel L. Liebholz ,  Julie M. Staraitis

发明人： Julian A. Prabhu ,  Atul Kalambur ,  Sudarshan Kadambi ,  Daniel L. Liebholz ,  Julie M. Staraitis

IPC分类号： G06F9/30

CPC分类号： G06F9/30181 ,  G06F9/3836 ,  G06F9/3838 ,  G06F9/384 ,  G06F9/3855 ,  G06F9/3857

摘要： If a consumer instruction specifies a 64 bit source register comprised of results provided by two 32 bit producer instructions, the number of dependencies that must be tracked per source register can be decreased by transforming one or more of the 32 bit producer instructions so that rather than simply storing its result in a 32 bit destination register, the transformed instruction stores its result into a 64 bit logical register along with another 32 bit value held in another 32 bit register.

摘要翻译： 如果消费者指令指定由两个32位生产者指令提供的结果组成的64位源寄存器，则可以通过转换一个或多个32位生产者指令来减少每个源寄存器必须跟踪的依赖关系的数量， 简单地将其结果存储在32位目标寄存器中，变换后的指令将其结果存储到64位逻辑寄存器以及另一个32位寄存器中保存的另一个32位值。