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authorEddie Hung <eddie@fpgeh.com>2019-05-03 08:06:16 -0700
committerEddie Hung <eddie@fpgeh.com>2019-05-03 08:06:16 -0700
commite08df0c7390e1e7736c3d5b0abbe2679bf9b4518 (patch)
treebbbcf14a457fded51a584780541c93dd888cc835
parentfc349de0338db3831e7156a5dc60f028382bcab1 (diff)
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If init is 1'bx, do not add to dict as per @cliffordwolf
-rw-r--r--passes/techmap/dffinit.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/passes/techmap/dffinit.cc b/passes/techmap/dffinit.cc
index 48390488e..0ad33dc0e 100644
--- a/passes/techmap/dffinit.cc
+++ b/passes/techmap/dffinit.cc
@@ -102,7 +102,8 @@ struct DffinitPass : public Pass {
if (wire->attributes.count("\\init")) {
Const value = wire->attributes.at("\\init");
for (int i = 0; i < min(GetSize(value), GetSize(wire)); i++)
- init_bits[sigmap(SigBit(wire, i))] = value[i];
+ if (value[i] != State::Sx)
+ init_bits[sigmap(SigBit(wire, i))] = value[i];
}
if (wire->port_output)
for (auto bit : sigmap(wire))