DETECTING A DYNAMIC CONTROL FLOW RE-CONVERGENCE POINT FOR CONDITIONAL BRANCHES IN HARDWARE
摘要:
Systems, methods, and apparatuses relating to hardware for auto-predication of critical branches. In one embodiment, a processor core includes a decoder to decode instructions into decoded instructions, an execution unit to execute the decoded instructions, a branch predictor circuit to predict a future outcome of a branch instruction, and a branch predication manager circuit to disable use of the predicted future outcome for a conditional critical branch comprising the branch instruction.
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