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Give initial wire unique ID, fixes #2914

This commit is contained in:
Miodrag Milanovic 2021-11-17 12:19:06 +01:00
parent 07dde32bf1
commit c081c683a4
1 changed files with 6 additions and 4 deletions
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10
backends/verilog/verilog_backend.cc
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@ -44,6 +44,7 @@ std::string auto_prefix, extmem_prefix;
RTLIL::Module *active_module; RTLIL::Module *active_module;
dict<RTLIL::SigBit, RTLIL::State> active_initdata; dict<RTLIL::SigBit, RTLIL::State> active_initdata;
SigMap active_sigmap; SigMap active_sigmap;
IdString initial_id;
void reset_auto_counter_id(RTLIL::IdString id, bool may_rename) void reset_auto_counter_id(RTLIL::IdString id, bool may_rename)
{ {
@ -1943,7 +1944,7 @@ void dump_process(std::ostream &f, std::string indent, RTLIL::Process *proc, boo
f << stringf("%s" "always%s begin\n", indent.c_str(), systemverilog ? "_comb" : " @*"); f << stringf("%s" "always%s begin\n", indent.c_str(), systemverilog ? "_comb" : " @*");
if (!systemverilog) if (!systemverilog)
f << indent + " " << "if (" << id("\\initial") << ") begin end\n"; f << indent + " " << "if (" << id(initial_id) << ") begin end\n";
dump_case_body(f, indent, &proc->root_case, true); dump_case_body(f, indent, &proc->root_case, true);
std::string backup_indent = indent; std::string backup_indent = indent;
@ -2077,9 +2078,10 @@ void dump_module(std::ostream &f, std::string indent, RTLIL::Module *module)
} }
} }
f << stringf(");\n"); f << stringf(");\n");
if (!systemverilog && !module->processes.empty()) {
if (!systemverilog && !module->processes.empty()) initial_id = NEW_ID;
f << indent + " " << "reg " << id("\\initial") << " = 0;\n"; f << indent + " " << "reg " << id(initial_id) << " = 0;\n";
}
for (auto w : module->wires()) for (auto w : module->wires())
dump_wire(f, indent + " ", w); dump_wire(f, indent + " ", w);