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author | Claire Wolf <clifford@clifford.at> | 2020-04-02 15:38:47 +0200 |
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committer | GitHub <noreply@github.com> | 2020-04-02 15:38:47 +0200 |
commit | d1fc4321f0bd1da7d74baf1c371304ec56da08cf (patch) | |
tree | e592faf181d12d810198a082e4bb345c5a130834 | |
parent | 104c004e6daf566c248343f27060fbc4427a3597 (diff) | |
parent | bf018b184d1f2b4f9ff0ccecb7670630bbed626e (diff) | |
download | yosys-d1fc4321f0bd1da7d74baf1c371304ec56da08cf.tar.gz yosys-d1fc4321f0bd1da7d74baf1c371304ec56da08cf.tar.bz2 yosys-d1fc4321f0bd1da7d74baf1c371304ec56da08cf.zip |
Merge pull request #1770 from YosysHQ/claire/btor_symbols
Improve write_btor symbol handling
-rw-r--r-- | backends/btor/btor.cc | 96 |
1 files changed, 60 insertions, 36 deletions
diff --git a/backends/btor/btor.cc b/backends/btor/btor.cc index cd7594c8c..e68a6a08f 100644 --- a/backends/btor/btor.cc +++ b/backends/btor/btor.cc @@ -72,6 +72,7 @@ struct BtorWorker vector<int> bad_properties; dict<SigBit, bool> initbits; pool<Wire*> statewires; + pool<string> srcsymbols; string indent, info_filename; vector<string> info_lines; @@ -93,6 +94,32 @@ struct BtorWorker va_end(ap); } + template<typename T> + string getinfo(T *obj, bool srcsym = false) + { + string infostr = log_id(obj); + if (obj->attributes.count("\\src")) { + string src = obj->attributes.at("\\src").decode_string().c_str(); + if (srcsym && infostr[0] == '$') { + std::replace(src.begin(), src.end(), ' ', '_'); + if (srcsymbols.count(src) || module->count_id("\\" + src)) { + for (int i = 1;; i++) { + string s = stringf("%s-%d", src.c_str(), i); + if (!srcsymbols.count(s) && !module->count_id("\\" + s)) { + src = s; + break; + } + } + } + srcsymbols.insert(src); + infostr = src; + } else { + infostr += " ; " + src; + } + } + return infostr; + } + void btorf_push(const string &id) { if (verbose) { @@ -215,7 +242,7 @@ struct BtorWorker btorf("%d slt %d %d %d\n", nid_b_ltz, sid_bit, nid_b, nid_zero); nid = next_nid++; - btorf("%d ite %d %d %d %d\n", nid, sid, nid_b_ltz, nid_l, nid_r); + btorf("%d ite %d %d %d %d %s\n", nid, sid, nid_b_ltz, nid_l, nid_r, getinfo(cell).c_str()); } else { @@ -223,7 +250,7 @@ struct BtorWorker int nid_b = get_sig_nid(cell->getPort("\\B"), width, b_signed); nid = next_nid++; - btorf("%d %s %d %d %d\n", nid, btor_op.c_str(), sid, nid_a, nid_b); + btorf("%d %s %d %d %d %s\n", nid, btor_op.c_str(), sid, nid_a, nid_b, getinfo(cell).c_str()); } SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -258,7 +285,7 @@ struct BtorWorker int sid = get_bv_sid(width); int nid = next_nid++; - btorf("%d %c%s %d %d %d\n", nid, a_signed || b_signed ? 's' : 'u', btor_op.c_str(), sid, nid_a, nid_b); + btorf("%d %c%s %d %d %d %s\n", nid, a_signed || b_signed ? 's' : 'u', btor_op.c_str(), sid, nid_a, nid_b, getinfo(cell).c_str()); SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -284,12 +311,12 @@ struct BtorWorker if (cell->type == "$_ANDNOT_") { btorf("%d not %d %d\n", nid1, sid, nid_b); - btorf("%d and %d %d %d\n", nid2, sid, nid_a, nid1); + btorf("%d and %d %d %d %s\n", nid2, sid, nid_a, nid1, getinfo(cell).c_str()); } if (cell->type == "$_ORNOT_") { btorf("%d not %d %d\n", nid1, sid, nid_b); - btorf("%d or %d %d %d\n", nid2, sid, nid_a, nid1); + btorf("%d or %d %d %d %s\n", nid2, sid, nid_a, nid1, getinfo(cell).c_str()); } SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -311,13 +338,13 @@ struct BtorWorker if (cell->type == "$_OAI3_") { btorf("%d or %d %d %d\n", nid1, sid, nid_a, nid_b); btorf("%d and %d %d %d\n", nid2, sid, nid1, nid_c); - btorf("%d not %d %d\n", nid3, sid, nid2); + btorf("%d not %d %d %s\n", nid3, sid, nid2, getinfo(cell).c_str()); } if (cell->type == "$_AOI3_") { btorf("%d and %d %d %d\n", nid1, sid, nid_a, nid_b); btorf("%d or %d %d %d\n", nid2, sid, nid1, nid_c); - btorf("%d not %d %d\n", nid3, sid, nid2); + btorf("%d not %d %d %s\n", nid3, sid, nid2, getinfo(cell).c_str()); } SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -342,14 +369,14 @@ struct BtorWorker btorf("%d or %d %d %d\n", nid1, sid, nid_a, nid_b); btorf("%d or %d %d %d\n", nid2, sid, nid_c, nid_d); btorf("%d and %d %d %d\n", nid3, sid, nid1, nid2); - btorf("%d not %d %d\n", nid4, sid, nid3); + btorf("%d not %d %d %s\n", nid4, sid, nid3, getinfo(cell).c_str()); } if (cell->type == "$_AOI4_") { btorf("%d and %d %d %d\n", nid1, sid, nid_a, nid_b); btorf("%d and %d %d %d\n", nid2, sid, nid_c, nid_d); btorf("%d or %d %d %d\n", nid3, sid, nid1, nid2); - btorf("%d not %d %d\n", nid4, sid, nid3); + btorf("%d not %d %d %s\n", nid4, sid, nid3, getinfo(cell).c_str()); } SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -381,9 +408,9 @@ struct BtorWorker int nid = next_nid++; if (cell->type.in("$lt", "$le", "$ge", "$gt")) { - btorf("%d %c%s %d %d %d\n", nid, a_signed || b_signed ? 's' : 'u', btor_op.c_str(), sid, nid_a, nid_b); + btorf("%d %c%s %d %d %d %s\n", nid, a_signed || b_signed ? 's' : 'u', btor_op.c_str(), sid, nid_a, nid_b, getinfo(cell).c_str()); } else { - btorf("%d %s %d %d %d\n", nid, btor_op.c_str(), sid, nid_a, nid_b); + btorf("%d %s %d %d %d %s\n", nid, btor_op.c_str(), sid, nid_a, nid_b, getinfo(cell).c_str()); } SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -415,7 +442,7 @@ struct BtorWorker int nid_a = get_sig_nid(cell->getPort("\\A"), width, a_signed); int nid = next_nid++; - btorf("%d %s %d %d\n", nid, btor_op.c_str(), sid, nid_a); + btorf("%d %s %d %d\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str()); SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -456,9 +483,9 @@ struct BtorWorker int nid = next_nid++; if (btor_op != "not") - btorf("%d %s %d %d %d\n", nid, btor_op.c_str(), sid, nid_a, nid_b); + btorf("%d %s %d %d %d\n", nid, btor_op.c_str(), sid, nid_a, nid_b, getinfo(cell).c_str()); else - btorf("%d %s %d %d\n", nid, btor_op.c_str(), sid, nid_a); + btorf("%d %s %d %d\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str()); SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -486,12 +513,14 @@ struct BtorWorker int nid_a = get_sig_nid(cell->getPort("\\A")); int nid = next_nid++; - btorf("%d %s %d %d\n", nid, btor_op.c_str(), sid, nid_a); if (cell->type == "$reduce_xnor") { int nid2 = next_nid++; + btorf("%d %s %d %d %s\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str()); btorf("%d not %d %d %d\n", nid2, sid, nid); nid = nid2; + } else { + btorf("%d %s %d %d %s\n", nid, btor_op.c_str(), sid, nid_a, getinfo(cell).c_str()); } SigSpec sig = sigmap(cell->getPort("\\Y")); @@ -521,12 +550,14 @@ struct BtorWorker int sid = get_bv_sid(GetSize(sig_y)); int nid = next_nid++; - btorf("%d ite %d %d %d %d\n", nid, sid, nid_s, nid_b, nid_a); if (cell->type == "$_NMUX_") { int tmp = nid; nid = next_nid++; - btorf("%d not %d %d\n", nid, sid, tmp); + btorf("%d ite %d %d %d %d\n", tmp, sid, nid_s, nid_b, nid_a); + btorf("%d not %d %d %s\n", nid, sid, tmp, getinfo(cell).c_str()); + } else { + btorf("%d ite %d %d %d %d %s\n", nid, sid, nid_s, nid_b, nid_a, getinfo(cell).c_str()); } add_nid_sig(nid, sig_y); @@ -548,7 +579,10 @@ struct BtorWorker int nid_b = get_sig_nid(sig_b.extract(i*width, width)); int nid_s = get_sig_nid(sig_s.extract(i)); int nid2 = next_nid++; - btorf("%d ite %d %d %d %d\n", nid2, sid, nid_s, nid_b, nid); + if (i == GetSize(sig_s)-1) + btorf("%d ite %d %d %d %d %s\n", nid2, sid, nid_s, nid_b, nid, getinfo(cell).c_str()); + else + btorf("%d ite %d %d %d %d\n", nid2, sid, nid_s, nid_b, nid); nid = nid2; } @@ -1034,7 +1068,7 @@ struct BtorWorker int sid = get_bv_sid(GetSize(sig)); int nid = next_nid++; - btorf("%d input %d %s\n", nid, sid, log_id(wire)); + btorf("%d input %d %s\n", nid, sid, getinfo(wire).c_str()); add_nid_sig(nid, sig); } @@ -1058,7 +1092,7 @@ struct BtorWorker btorf_push(stringf("output %s", log_id(wire))); int nid = get_sig_nid(wire); - btorf("%d output %d %s\n", next_nid++, nid, log_id(wire)); + btorf("%d output %d %s\n", next_nid++, nid, getinfo(wire).c_str()); btorf_pop(stringf("output %s", log_id(wire))); } @@ -1099,16 +1133,11 @@ struct BtorWorker if (single_bad && !cover_mode) { bad_properties.push_back(nid_en_and_not_a); } else { - string infostr = log_id(cell); - if (infostr[0] == '$' && cell->attributes.count("\\src")) { - infostr = cell->attributes.at("\\src").decode_string().c_str(); - std::replace(infostr.begin(), infostr.end(), ' ', '_'); - } if (cover_mode) { - infof("bad %d %s\n", nid_en_and_not_a, infostr.c_str()); + infof("bad %d %s\n", nid_en_and_not_a, getinfo(cell, true).c_str()); } else { int nid = next_nid++; - btorf("%d bad %d %s\n", nid, nid_en_and_not_a, infostr.c_str()); + btorf("%d bad %d %s\n", nid, nid_en_and_not_a, getinfo(cell, true).c_str()); } } @@ -1129,13 +1158,8 @@ struct BtorWorker if (single_bad) { bad_properties.push_back(nid_en_and_a); } else { - string infostr = log_id(cell); - if (infostr[0] == '$' && cell->attributes.count("\\src")) { - infostr = cell->attributes.at("\\src").decode_string().c_str(); - std::replace(infostr.begin(), infostr.end(), ' ', '_'); - } int nid = next_nid++; - btorf("%d bad %d %s\n", nid, nid_en_and_a, infostr.c_str()); + btorf("%d bad %d %s\n", nid, nid_en_and_a, getinfo(cell, true).c_str()); } btorf_pop(log_id(cell)); @@ -1156,7 +1180,7 @@ struct BtorWorker continue; int this_nid = next_nid++; - btorf("%d uext %d %d %d %s\n", this_nid, sid, nid, 0, log_id(wire)); + btorf("%d uext %d %d %d %s\n", this_nid, sid, nid, 0, getinfo(wire).c_str()); btorf_pop(stringf("wire %s", log_id(wire))); continue; @@ -1227,14 +1251,14 @@ struct BtorWorker } int nid2 = next_nid++; - btorf("%d next %d %d %d\n", nid2, sid, nid, nid_head); + btorf("%d next %d %d %d %s\n", nid2, sid, nid, nid_head, getinfo(cell).c_str()); } else { SigSpec sig = sigmap(cell->getPort("\\D")); int nid_q = get_sig_nid(sig); int sid = get_bv_sid(GetSize(sig)); - btorf("%d next %d %d %d\n", next_nid++, sid, nid, nid_q); + btorf("%d next %d %d %d %s\n", next_nid++, sid, nid, nid_q, getinfo(cell).c_str()); } btorf_pop(stringf("next %s", log_id(cell))); |