The loops with the following attributes qualify for LSD/micro-op queue replay:
Up to eight chunk fetches of 32-instruction-bytes
Up to 28 micro-ops (~28 instructions)
All micro-ops are also resident in the Decoded ICache
Can contain no more than eight taken branches and none of them can be a CALL or RET
Cannot have mismatched stack operations. For example, more PUSH than POP instructions.