RS: fix bug of rs redirect bug of stateQueue

src/main/scala/xiangshan/backend/issue/ReservationStationNew.scala

@@ -170,7 +170,7 @@ class ReservationStationCtrl
   // redirect and feedback
   for (i <- 0 until iqSize) {
     val cnt = cntQueue(idxQueue(i))
-
+    when (!(deqIdx === i.U && deqValid)) {
     if (i != 0) { // TODO: combine the two case
       val nextIdx = i.U - moveMask(i-1)
       when (stateQueue(i)===s_replay) {
@@ -194,6 +194,7 @@ class ReservationStationCtrl
       }
       when (redHitVec(i)) { stateQueue(nextIdx) := s_idle }
     }}
+    }
   }
 
   // output
@@ -454,4 +455,4 @@ class ReservationStationData
       p"${Binary(io.ctrl.srcUpdate(i).asUInt)}|${uop(i).pdest}:${uop(i).ctrl.rfWen}:" +
       p"${uop(i).ctrl.fpWen}|${uop(i).roqIdx} |${Hexadecimal(uop(i).cf.pc)}\n")
   }
-}
+}
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