diff options
Diffstat (limited to 'passes/opt')
| -rw-r--r-- | passes/opt/opt_rmdff.cc | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/passes/opt/opt_rmdff.cc b/passes/opt/opt_rmdff.cc index d712736c1..450626f4a 100644 --- a/passes/opt/opt_rmdff.cc +++ b/passes/opt/opt_rmdff.cc @@ -63,11 +63,11 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) log_assert(GetSize(sig_set) == GetSize(sig_clr)); - if (cell->type.substr(0,8) == "$_DFFSR_") { + if (cell->type.begins_with("$_DFFSR_")) { pol_set = cell->type[9] == 'P' ? State::S1 : State::S0; pol_clr = cell->type[10] == 'P' ? State::S1 : State::S0; } else - if (cell->type.substr(0,11) == "$_DLATCHSR_") { + if (cell->type.begins_with("$_DLATCHSR_")) { pol_set = cell->type[12] == 'P' ? State::S1 : State::S0; pol_clr = cell->type[13] == 'P' ? State::S1 : State::S0; } else @@ -198,9 +198,9 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) { IdString new_type; - if (cell->type.substr(0,8) == "$_DFFSR_") + if (cell->type.begins_with("$_DFFSR_")) new_type = stringf("$_DFF_%c_", cell->type[8]); - else if (cell->type.substr(0,11) == "$_DLATCHSR_") + else if (cell->type.begins_with("$_DLATCHSR_")) new_type = stringf("$_DLATCH_%c_", cell->type[11]); else log_abort(); @@ -278,7 +278,7 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) sig_c = dff->getPort("\\C"); val_cp = RTLIL::Const(dff->type == "$_DFF_P_", 1); } - else if (dff->type.substr(0,6) == "$_DFF_" && dff->type.substr(9) == "_" && + else if (dff->type.begins_with("$_DFF_") && dff->type.substr(9) == "_" && (dff->type[6] == 'N' || dff->type[6] == 'P') && (dff->type[7] == 'N' || dff->type[7] == 'P') && (dff->type[8] == '0' || dff->type[8] == '1')) { @@ -290,7 +290,7 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) val_rp = RTLIL::Const(dff->type[7] == 'P', 1); val_rv = RTLIL::Const(dff->type[8] == '1', 1); } - else if (dff->type.substr(0,7) == "$_DFFE_" && dff->type.substr(9) == "_" && + else if (dff->type.begins_with("$_DFFE_") && dff->type.substr(9) == "_" && (dff->type[7] == 'N' || dff->type[7] == 'P') && (dff->type[8] == 'N' || dff->type[8] == 'P')) { sig_d = dff->getPort("\\D"); @@ -428,7 +428,7 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) return true; } - log_assert(dff->type.substr(0,6) == "$_DFF_"); + log_assert(dff->type.begins_with("$_DFF_")); dff->type = stringf("$_DFF_%c_", + dff->type[6]); dff->unsetPort("\\R"); } @@ -452,7 +452,7 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) return true; } - log_assert(dff->type.substr(0,7) == "$_DFFE_"); + log_assert(dff->type.begins_with("$_DFFE_")); dff->type = stringf("$_DFF_%c_", + dff->type[7]); dff->unsetPort("\\E"); } |