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Out-of-order hardware software co-designed How and equipment to implement and maintain a stack of predefined values using stack synchronization instructions in a processor.
Out-of-order hardware software co-designed How and equipment to implement and maintain a stack of predefined values using stack synchronization instructions in a processor.
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机译:乱序硬件软件共同设计了如何和设备使用处理器中的堆栈同步指令来实现和维护预定义值的堆栈。
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摘要
Embodiments of a method and apparatus for implementing and maintaining a stack of predicate values with stack synchronization instructions. In one embodiment the apparatus is an out of order hardware/software co-designed processor including instructions to explicitly manage the predicate register stack to maintain stack consistency across branches of executing that push a variable number of predicate values onto the predicate stack. In one embodiment the stack-based predicate register implementation enables early branch calculation and early branch misprediction recovery via early renaming of predicate registers.
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