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authorDonggyu Kim2016-09-26 13:38:13 -0700
committerDonggyu Kim2016-09-26 16:21:28 -0700
commite291336216caa4de1a1b08005c33d0bfc19de3ed (patch)
treec03cbac9d0ba77560a11073e1bed2848ae82581e
parenta2ad26d6b907b251a916c23a3fe93e1d0067fb03 (diff)
fix CInferMDir on SubAccess
indices should be read ports
-rw-r--r--src/main/scala/firrtl/passes/Resolves.scala18
1 files changed, 11 insertions, 7 deletions
diff --git a/src/main/scala/firrtl/passes/Resolves.scala b/src/main/scala/firrtl/passes/Resolves.scala
index 49df9ba6..1ce1d299 100644
--- a/src/main/scala/firrtl/passes/Resolves.scala
+++ b/src/main/scala/firrtl/passes/Resolves.scala
@@ -107,9 +107,10 @@ object CInferMDir extends Pass {
def name = "CInfer MDir"
type MPortDirMap = collection.mutable.LinkedHashMap[String, MPortDir]
- def infer_mdir_e(mports: MPortDirMap, dir: MPortDir)(e: Expression): Expression = {
- (e map infer_mdir_e(mports, dir)) match {
- case e: Reference => mports get e.name match {
+ def infer_mdir_e(mports: MPortDirMap, dir: MPortDir)(e: Expression): Expression = e match {
+ case e: Reference =>
+ mports get e.name match {
+ case None =>
case Some(p) => mports(e.name) = (p, dir) match {
case (MInfer, MInfer) => Utils.error("Shouldn't be here")
case (MInfer, MWrite) => MWrite
@@ -127,11 +128,14 @@ object CInferMDir extends Pass {
case (MReadWrite, MWrite) => MReadWrite
case (MReadWrite, MRead) => MReadWrite
case (MReadWrite, MReadWrite) => MReadWrite
- } ; e
- case None => e
+ }
}
- case _ => e
- }
+ e
+ case e: SubAccess =>
+ infer_mdir_e(mports, dir)(e.expr)
+ infer_mdir_e(mports, MRead)(e.index) // index can't be a write port
+ e
+ case e => e map infer_mdir_e(mports, dir)
}
def infer_mdir_s(mports: MPortDirMap)(s: Statement): Statement = s match {