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Merge remote-tracking branch 'origin/clifford/fix1065' into xc7mux

This commit is contained in:
Eddie Hung 2019-06-05 09:56:51 -07:00
parent 94a5f4e609 8a6f9977f6
commit b5aff1de04
2 changed files with 2 additions and 2 deletions
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2
README.md
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@ -413,7 +413,7 @@ Verilog Attributes and non-standard features
$ yosys -p 'plugin -a foo -i /lib/libm.so; read_verilog dpitest.v'
- Sized constants (the syntax ``<size>'s?[bodh]<value>``) support constant
expressions as <size>. If the expression is not a simple identifier, it
expressions as ``<size>``. If the expression is not a simple identifier, it
must be put in parentheses. Examples: ``WIDTH'd42``, ``(4+2)'b101010``
- The system tasks ``$finish``, ``$stop`` and ``$display`` are supported in

2
passes/opt/opt_clean.cc
View File

@ -106,7 +106,7 @@ void rmunused_module_cells(Module *module, bool verbose)
if (raw_bit.wire == nullptr)
continue;
auto bit = sigmap(raw_bit);
if (bit.wire == nullptr)
if (bit.wire == nullptr && ct_all.cell_known(cell->type))
driver_driver_logs[raw_sigmap(raw_bit)].push_back(stringf("Driver-driver conflict "
"for %s between cell %s.%s and constant %s in %s: Resolved using constant.",
log_signal(raw_bit), log_id(cell), log_id(it2.first), log_signal(bit), log_id(module)));