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read_aiger: consistency between ascii and binary; also name latches
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eddiehung committed Jan 7, 2020
1 parent 0d3f10d commit 2ac3603
Showing 1 changed file with 9 additions and 3 deletions.
12 changes: 9 additions & 3 deletions frontends/aiger/aigerparse.cc
Original file line number Diff line number Diff line change
Expand Up @@ -507,13 +507,15 @@ void AigerReader::parse_aiger_ascii()
unsigned l1, l2, l3;

// Parse inputs
int digits = ceil(log10(I));
for (unsigned i = 1; i <= I; ++i, ++line_count) {
if (!(f >> l1))
log_error("Line %u cannot be interpreted as an input!\n", line_count);
log_debug2("%d is an input\n", l1);
log_assert(!(l1 & 1)); // Inputs can't be inverted
RTLIL::Wire *wire = createWireIfNotExists(module, l1);
RTLIL::Wire *wire = module->addWire(stringf("$i%0*d", digits, l1 >> 1));
wire->port_input = true;
module->connect(createWireIfNotExists(module, l1), wire);
inputs.push_back(wire);
}

Expand All @@ -527,12 +529,14 @@ void AigerReader::parse_aiger_ascii()
clk_wire->port_input = true;
clk_wire->port_output = false;
}
digits = ceil(log10(L));
for (unsigned i = 0; i < L; ++i, ++line_count) {
if (!(f >> l1 >> l2))
log_error("Line %u cannot be interpreted as a latch!\n", line_count);
log_debug2("%d %d is a latch\n", l1, l2);
log_assert(!(l1 & 1));
RTLIL::Wire *q_wire = createWireIfNotExists(module, l1);
RTLIL::Wire *q_wire = module->addWire(stringf("$l%0*d", digits, l1 >> 1));
module->connect(createWireIfNotExists(module, l1), q_wire);
RTLIL::Wire *d_wire = createWireIfNotExists(module, l2);

if (clk_wire)
Expand Down Expand Up @@ -655,12 +659,14 @@ void AigerReader::parse_aiger_binary()
clk_wire->port_input = true;
clk_wire->port_output = false;
}
digits = ceil(log10(L));
l1 = (I+1) * 2;
for (unsigned i = 0; i < L; ++i, ++line_count, l1 += 2) {
if (!(f >> l2))
log_error("Line %u cannot be interpreted as a latch!\n", line_count);
log_debug("%d %d is a latch\n", l1, l2);
RTLIL::Wire *q_wire = createWireIfNotExists(module, l1);
RTLIL::Wire *q_wire = module->addWire(stringf("$l%0*d", digits, l1 >> 1));
module->connect(createWireIfNotExists(module, l1), q_wire);
RTLIL::Wire *d_wire = createWireIfNotExists(module, l2);

if (clk_wire)
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