Flush-recovery bandwidth in a processor
Abstract:
A computer system, processor, and method for processing information is disclosed that includes at least one computer processor for processing instructions, the processor having a history buffer having a plurality of entries for storing information associated with a processor instruction evicted from a logical register, the history buffer having at least one recovery port; a logical register mapper for recovering information from the history buffer, the mapper having restore ports to recover information from the history buffer; and a restore multiplexor configured to receive as inputs information from one or more of the history buffer recovery ports, and configured to output information to one or more of the logical register mapper restore ports. The processor, system and/or method configured to improve flush recovery bandwidth.
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