diff options
Diffstat (limited to 'chiselFrontend/src/main/scala/chisel3/core/BiConnect.scala')
| -rw-r--r-- | chiselFrontend/src/main/scala/chisel3/core/BiConnect.scala | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/chiselFrontend/src/main/scala/chisel3/core/BiConnect.scala b/chiselFrontend/src/main/scala/chisel3/core/BiConnect.scala index c40b85ad..857b25aa 100644 --- a/chiselFrontend/src/main/scala/chisel3/core/BiConnect.scala +++ b/chiselFrontend/src/main/scala/chisel3/core/BiConnect.scala @@ -167,32 +167,34 @@ object BiConnect { case (None, Some(Input)) => issueConnectR2L(left, right) case (Some(Input), Some(Input)) => { - if (compileOptions.portDeterminesDirection) - (left.binding, right.binding) match { - case (PortBinding(_, _), PortBinding(_, _)) => throw BothDriversException - case (PortBinding(_, _), _) => issueConnectL2R(left, right) - case (_, PortBinding(_, _)) => issueConnectR2L(left, right) - case _ => throw BothDriversException - } else { + if (compileOptions.dontAssumeDirectionality) { throw BothDriversException + } else { + (left.binding, right.binding) match { + case (PortBinding(_, _), PortBinding(_, _)) => throw BothDriversException + case (PortBinding(_, _), _) => issueConnectL2R(left, right) + case (_, PortBinding(_, _)) => issueConnectR2L(left, right) + case _ => throw BothDriversException + } } } case (Some(Output), Some(Output)) => { - if (compileOptions.portDeterminesDirection) + if (compileOptions.dontAssumeDirectionality) { + throw BothDriversException + } else { (left.binding, right.binding) match { case (PortBinding(_, _), PortBinding(_, _)) => throw BothDriversException case (PortBinding(_, _), _) => issueConnectR2L(left, right) case (_, PortBinding(_, _)) => issueConnectL2R(left, right) case _ => throw BothDriversException - } else { - throw BothDriversException + } } } case (None, None) => { - if (compileOptions.assumeLHSIsOutput) { - issueConnectR2L(left, right) - } else { + if (compileOptions.dontAssumeDirectionality) { throw UnknownDriverException + } else { + issueConnectR2L(left, right) } } } |