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Further improve cover() support

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This commit is contained in:
Clifford Wolf 2017-02-04 17:02:13 +01:00
parent 3928482a3c
commit 6abf79eb28
3 changed files with 16 additions and 8 deletions
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8
backends/smt2/smt2.cc
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@ -662,9 +662,9 @@ struct Smt2Worker
if (verbose) log("=> export logic driving asserts\n");
vector<string> assert_list, assume_list;
vector<string> assert_list, assume_list, cover_list;
for (auto cell : module->cells())
if (cell->type.in("$assert", "$assume")) {
if (cell->type.in("$assert", "$assume", "$cover")) {
string name_a = get_bool(cell->getPort("\\A"));
string name_en = get_bool(cell->getPort("\\EN"));
decls.push_back(stringf("; yosys-smt2-%s %s#%d %s\n", cell->type.c_str() + 1, get_id(module), idcounter,
@ -673,8 +673,10 @@ struct Smt2Worker
get_id(module), idcounter, get_id(module), name_a.c_str(), name_en.c_str(), get_id(cell)));
if (cell->type == "$assert")
assert_list.push_back(stringf("(|%s#%d| state)", get_id(module), idcounter++));
else
else if (cell->type == "$assume")
assume_list.push_back(stringf("(|%s#%d| state)", get_id(module), idcounter++));
else if (cell->type == "$cover")
cover_list.push_back(stringf("(|%s#%d| state)", get_id(module), idcounter++));
}
for (int iter = 1; !registers.empty(); iter++)