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authorEddie Hung <eddie@fpgeh.com>2020-01-21 09:43:04 -0800
committerEddie Hung <eddie@fpgeh.com>2020-01-21 09:43:04 -0800
commitcd8f55a91100b8dcf8b4775803cbacf70f5a998c (patch)
tree6ad1a8856d8c2292c76abd60781df682c19cc296 /backends
parentd4e188299ba729756ee689d14c81aab68a7ca1b7 (diff)
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write_xaiger: fix for (* keep *) on flop output
Diffstat (limited to 'backends')
-rw-r--r--backends/aiger/xaiger.cc6
1 files changed, 3 insertions, 3 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index a9b75ecc7..b72dd6890 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -222,6 +222,8 @@ struct XAigerWriter
alias_map[Q] = D;
auto r YS_ATTRIBUTE(unused) = ff_bits.insert(std::make_pair(D, cell));
log_assert(r.second);
+ if (input_bits.erase(Q))
+ log_assert(Q.wire->attributes.count(ID::keep));
continue;
}
@@ -568,9 +570,6 @@ struct XAigerWriter
// write_o_buffer(0);
if (!box_list.empty() || !ff_bits.empty()) {
- RTLIL::Module *holes_module = module->design->module(stringf("%s$holes", module->name.c_str()));
- log_assert(holes_module);
-
dict<IdString, std::tuple<int,int,int>> cell_cache;
int box_count = 0;
@@ -653,6 +652,7 @@ struct XAigerWriter
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
f.write(buffer_str.data(), buffer_str.size());
+ RTLIL::Module *holes_module = module->design->module(stringf("%s$holes", module->name.c_str()));
if (holes_module) {
std::stringstream a_buffer;
XAigerWriter writer(holes_module, true /* holes_mode */);