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authorEddie Hung <eddie@fpgeh.com>2019-12-27 15:35:19 -0800
committerEddie Hung <eddie@fpgeh.com>2019-12-27 15:37:17 -0800
commit3d4644804ea779831b617fe7d12473e3161a93b9 (patch)
tree3f3cbb373ef87d430ccd56e65f807cab61c56e05 /backends/aiger/xaiger.cc
parent3e14ff16676884a1f65cf0eeb0ca9cb1958b8804 (diff)
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write_xaiger: simplify c{i,o}_bits
Diffstat (limited to 'backends/aiger/xaiger.cc')
-rw-r--r--backends/aiger/xaiger.cc18
1 files changed, 6 insertions, 12 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index 5729f045a..68d1b1e69 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -81,8 +81,7 @@ struct XAigerWriter
pool<SigBit> input_bits, output_bits;
dict<SigBit, SigBit> not_map, alias_map;
dict<SigBit, pair<SigBit, SigBit>> and_map;
- vector<std::tuple<SigBit,RTLIL::Cell*,RTLIL::IdString,int>> ci_bits;
- vector<std::tuple<SigBit,RTLIL::Cell*,RTLIL::IdString,int,int>> co_bits;
+ vector<SigBit> ci_bits, co_bits;
dict<SigBit, float> arrival_times;
vector<pair<int, int>> aig_gates;
@@ -367,7 +366,6 @@ struct XAigerWriter
cell->setPort(port_name, rhs);
}
- int offset = 0;
for (auto b : rhs.bits()) {
SigBit I = sigmap(b);
if (b == RTLIL::Sx)
@@ -378,7 +376,7 @@ struct XAigerWriter
else
alias_map[b] = I;
}
- co_bits.emplace_back(b, cell, port_name, offset++, 0);
+ co_bits.emplace_back(b);
unused_bits.erase(b);
}
}
@@ -398,9 +396,8 @@ struct XAigerWriter
cell->setPort(port_name, rhs);
}
- int offset = 0;
for (const auto &b : rhs.bits()) {
- ci_bits.emplace_back(b, cell, port_name, offset++);
+ ci_bits.emplace_back(b);
SigBit O = sigmap(b);
if (O != b)
alias_map[O] = b;
@@ -487,15 +484,13 @@ struct XAigerWriter
aig_map[bit] = 2*aig_m;
}
- for (auto &c : ci_bits) {
- RTLIL::SigBit bit = std::get<0>(c);
+ for (auto bit : ci_bits) {
aig_m++, aig_i++;
aig_map[bit] = 2*aig_m;
}
- for (auto &c : co_bits) {
- RTLIL::SigBit bit = std::get<0>(c);
- std::get<4>(c) = ordered_outputs[bit] = aig_o++;
+ for (auto bit : co_bits) {
+ ordered_outputs[bit] = aig_o++;
aig_outputs.push_back(bit2aig(bit));
}
@@ -508,7 +503,6 @@ struct XAigerWriter
ordered_outputs[bit] = aig_o++;
aig_outputs.push_back(bit2aig(bit));
}
-
}
void write_aiger(std::ostream &f, bool ascii_mode)