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ShiftQueue: fix bug in !flow case

This commit is contained in:
Wesley W. Terpstra 2017-09-06 18:15:59 -07:00
parent ed70b243bd
commit 3e3024c256
1 changed files with 1 additions and 1 deletions
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2
src/main/scala/util/ShiftQueue.scala
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@ -26,7 +26,7 @@ class ShiftQueue[T <: Data](gen: T,
val wdata = if (i == entries-1) io.enq.bits else Mux(valid(i+1), elts(i+1), io.enq.bits)
val wen =
Mux(io.deq.ready,
paddedValid(i+1) || io.enq.fire() && valid(i),
paddedValid(i+1) || io.enq.fire() && (Bool(i == 0 && !flow) || valid(i)),
io.enq.fire() && paddedValid(i-1) && !valid(i))
when (wen) { elts(i) := wdata }