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authorMarcin Koƛcielnicki <mwk@0x04.net>2020-01-13 14:49:31 +0100
committerMarcin Koƛcielnicki <mwk@0x04.net>2020-01-13 14:49:31 +0100
commit55f86eda36ed9288528c2216972d5b49acfca54f (patch)
treef91940fd1274ace80394649191ed6a821f3ae692 /backends/edif/edif.cc
parent58ab9f6021bc5b90956d97759ef0f3bc8c7e209e (diff)
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edif: Just ignore connections to 'z
Connecting a const 'z to a net should be equivalent to not connecting it at all, so let's just ignore such connections on output.
Diffstat (limited to 'backends/edif/edif.cc')
-rw-r--r--backends/edif/edif.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/backends/edif/edif.cc b/backends/edif/edif.cc
index 6d9469538..e9beace83 100644
--- a/backends/edif/edif.cc
+++ b/backends/edif/edif.cc
@@ -404,6 +404,8 @@ struct EdifBackend : public Backend {
for (auto &ref : it.second)
log_warning("Exporting x-bit on %s as zero bit.\n", ref.c_str());
sig = RTLIL::State::S0;
+ } else if (sig == RTLIL::State::Sz) {
+ continue;
} else {
for (auto &ref : it.second)
log_error("Don't know how to handle %s on %s.\n", log_signal(sig), ref.c_str());