Invention Grant
US09069563B2 Reducing store-hit-loads in an out-of-order processor 有权
减少无序处理器中的存储命中负载

Reducing store-hit-loads in an out-of-order processor
Abstract:
A technique for reducing store-hit-loads in an out-of-order processor includes storing a store address of a store instruction associated with a store-hit-load (SHL) pipeline flush in an SHL entry. In response to detecting another SHL pipeline flush for the store address, a current count associated with the SHL entry is updated. In response to the current count associated with the SHL entry reaching a first terminal count, a dependency for the store instruction is created such that execution of a younger load instruction with a load address that overlaps the store address stalls until the store instruction executes.
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