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| author | Clifford Wolf <clifford@clifford.at> | 2019-10-02 12:48:04 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2019-10-02 12:48:04 +0200 |
| commit | a84a2d74c779b8023c0bbfc02fa4576d8c4cecca (patch) | |
| tree | 84e0a75011eb44e782772c64b64ef7b470257f89 /backends/btor | |
| parent | da347b9f7e8ce9738598931283ba98f8c98924cb (diff) | |
| download | yosys-a84a2d74c779b8023c0bbfc02fa4576d8c4cecca.tar.gz yosys-a84a2d74c779b8023c0bbfc02fa4576d8c4cecca.tar.bz2 yosys-a84a2d74c779b8023c0bbfc02fa4576d8c4cecca.zip | |
Fix btor back-end to use "state" instead of "input" for undef init bits
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'backends/btor')
| -rw-r--r-- | backends/btor/btor.cc | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/backends/btor/btor.cc b/backends/btor/btor.cc index f617b7ec2..9e316a055 100644 --- a/backends/btor/btor.cc +++ b/backends/btor/btor.cc @@ -569,7 +569,7 @@ struct BtorWorker int nid_init_val = -1; if (!initval.is_fully_undef()) - nid_init_val = get_sig_nid(initval); + nid_init_val = get_sig_nid(initval, -1, false, true); int sid = get_bv_sid(GetSize(sig_q)); int nid = next_nid++; @@ -681,7 +681,7 @@ struct BtorWorker { if (verbose) btorf("; initval = %s\n", log_signal(firstword)); - nid_init_val = get_sig_nid(firstword); + nid_init_val = get_sig_nid(firstword, -1, false, true); } else { @@ -693,8 +693,8 @@ struct BtorWorker if (thisword.is_fully_undef()) continue; Const thisaddr(i, abits); - int nid_thisword = get_sig_nid(thisword); - int nid_thisaddr = get_sig_nid(thisaddr); + int nid_thisword = get_sig_nid(thisword, -1, false, true); + int nid_thisaddr = get_sig_nid(thisaddr, -1, false, true); int last_nid_init_val = nid_init_val; nid_init_val = next_nid++; if (verbose) @@ -792,7 +792,7 @@ struct BtorWorker cell_recursion_guard.erase(cell); } - int get_sig_nid(SigSpec sig, int to_width = -1, bool is_signed = false) + int get_sig_nid(SigSpec sig, int to_width = -1, bool is_signed = false, bool is_init = false) { int nid = -1; sigmap.apply(sig); @@ -823,7 +823,10 @@ struct BtorWorker int sid = get_bv_sid(GetSize(sig)); int nid_input = next_nid++; - btorf("%d input %d\n", nid_input, sid); + if (is_init) + btorf("%d state %d\n", nid_input, sid); + else + btorf("%d input %d\n", nid_input, sid); int nid_masked_input; if (sig_mask_undef.is_fully_ones()) { |