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-rw-r--r--techlibs/ice40/ice40_ffinit.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/techlibs/ice40/ice40_ffinit.cc b/techlibs/ice40/ice40_ffinit.cc
index db2100381..8a2c30d6a 100644
--- a/techlibs/ice40/ice40_ffinit.cc
+++ b/techlibs/ice40/ice40_ffinit.cc
@@ -57,6 +57,7 @@ struct Ice40FfinitPass : public Pass {
SigMap sigmap(module);
pool<Wire*> init_wires;
dict<SigBit, State> initbits;
+ dict<SigBit, SigBit> initbit_to_wire;
pool<SigBit> handled_initbits;
for (auto wire : module->selected_wires())
@@ -78,11 +79,14 @@ struct Ice40FfinitPass : public Pass {
if (initbits.count(bit)) {
if (initbits.at(bit) != val)
- log_error("Conflicting init values for signal %s.\n", log_signal(bit));
+ log_error("Conflicting init values for signal %s (%s = %s, %s = %s).\n",
+ log_signal(bit), log_signal(SigBit(wire, i)), log_signal(val),
+ log_signal(initbit_to_wire[bit]), log_signal(initbits.at(bit)));
continue;
}
initbits[bit] = val;
+ initbit_to_wire[bit] = SigBit(wire, i);
}
}