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-rw-r--r--chiselFrontend/src/main/scala/chisel3/core/Mem.scala1
1 files changed, 1 insertions, 0 deletions
diff --git a/chiselFrontend/src/main/scala/chisel3/core/Mem.scala b/chiselFrontend/src/main/scala/chisel3/core/Mem.scala
index 3fe78010..c5862974 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Mem.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Mem.scala
@@ -156,6 +156,7 @@ sealed class SyncReadMem[T <: Data](t: T, n: Int) extends MemBase[T](t, n) {
def do_read(addr: UInt, enable: Bool)(implicit sourceInfo: SourceInfo, compileOptions: CompileOptions): T = {
val a = Wire(UInt())
+ a := DontCare
var port: Option[T] = None
when (enable) {
a := addr