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smt2: Make write port array stores conditional on nonzero write mask

This commit is contained in:
Jannis Harder 2022-04-20 17:49:48 +02:00
parent 29c0a59589
commit c7ef0f2932
1 changed files with 4 additions and 2 deletions
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6
backends/smt2/smt2.cc
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@ -1185,10 +1185,12 @@ struct Smt2Worker
data = stringf("(bvor (bvand %s %s) (bvand (select (|%s#%d#%d| state) %s) (bvnot %s)))",
data.c_str(), mask.c_str(), get_id(module), arrayid, i, addr.c_str(), mask.c_str());
string empty_mask(mem->width, '0');
decls.push_back(stringf("(define-fun |%s#%d#%d| ((state |%s_s|)) (Array (_ BitVec %d) (_ BitVec %d)) "
"(store (|%s#%d#%d| state) %s %s)) ; %s\n",
"(ite (= %s #b%s) (|%s#%d#%d| state) (store (|%s#%d#%d| state) %s %s))) ; %s\n",
get_id(module), arrayid, i+1, get_id(module), abits, mem->width,
get_id(module), arrayid, i, addr.c_str(), data.c_str(), get_id(mem->memid)));
mask.c_str(), empty_mask.c_str(), get_id(module), arrayid, i, get_id(module), arrayid, i, addr.c_str(), data.c_str(), get_id(mem->memid)));
}
}