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| author | Clifford Wolf <clifford@clifford.at> | 2020-01-02 18:58:45 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2020-01-02 18:58:45 +0100 |
| commit | 3edb2e708b09c7c9ead2aeb11e2be3cae88f8ee5 (patch) | |
| tree | c416b9941d3776f33bffb61e05f6e543cc8edf62 /kernel | |
| parent | 9e5ff30d0524629a1713d2e4cf92bbd9adffa857 (diff) | |
| download | yosys-3edb2e708b09c7c9ead2aeb11e2be3cae88f8ee5.tar.gz yosys-3edb2e708b09c7c9ead2aeb11e2be3cae88f8ee5.tar.bz2 yosys-3edb2e708b09c7c9ead2aeb11e2be3cae88f8ee5.zip | |
Always create $shl, $shr, $sshl, $sshr cells with unsigned B inputs
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rtlil.cc | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index 7c73f94c8..ab4f4f377 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -1893,10 +1893,6 @@ DEF_METHOD(And, max(sig_a.size(), sig_b.size()), ID($and)) DEF_METHOD(Or, max(sig_a.size(), sig_b.size()), ID($or)) DEF_METHOD(Xor, max(sig_a.size(), sig_b.size()), ID($xor)) DEF_METHOD(Xnor, max(sig_a.size(), sig_b.size()), ID($xnor)) -DEF_METHOD(Shl, sig_a.size(), ID($shl)) -DEF_METHOD(Shr, sig_a.size(), ID($shr)) -DEF_METHOD(Sshl, sig_a.size(), ID($sshl)) -DEF_METHOD(Sshr, sig_a.size(), ID($sshr)) DEF_METHOD(Shift, sig_a.size(), ID($shift)) DEF_METHOD(Shiftx, sig_a.size(), ID($shiftx)) DEF_METHOD(Lt, 1, ID($lt)) @@ -1916,6 +1912,31 @@ DEF_METHOD(LogicAnd, 1, ID($logic_and)) DEF_METHOD(LogicOr, 1, ID($logic_or)) #undef DEF_METHOD +#define DEF_METHOD(_func, _y_size, _type) \ + RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_y, bool is_signed, const std::string &src) { \ + RTLIL::Cell *cell = addCell(name, _type); \ + cell->parameters[ID(A_SIGNED)] = is_signed; \ + cell->parameters[ID(B_SIGNED)] = false; \ + cell->parameters[ID(A_WIDTH)] = sig_a.size(); \ + cell->parameters[ID(B_WIDTH)] = sig_b.size(); \ + cell->parameters[ID(Y_WIDTH)] = sig_y.size(); \ + cell->setPort(ID::A, sig_a); \ + cell->setPort(ID::B, sig_b); \ + cell->setPort(ID::Y, sig_y); \ + cell->set_src_attribute(src); \ + return cell; \ + } \ + RTLIL::SigSpec RTLIL::Module::_func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, bool is_signed, const std::string &src) { \ + RTLIL::SigSpec sig_y = addWire(NEW_ID, _y_size); \ + add ## _func(name, sig_a, sig_b, sig_y, is_signed, src); \ + return sig_y; \ + } +DEF_METHOD(Shl, sig_a.size(), ID($shl)) +DEF_METHOD(Shr, sig_a.size(), ID($shr)) +DEF_METHOD(Sshl, sig_a.size(), ID($sshl)) +DEF_METHOD(Sshr, sig_a.size(), ID($sshr)) +#undef DEF_METHOD + #define DEF_METHOD(_func, _type, _pmux) \ RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_s, RTLIL::SigSpec sig_y, const std::string &src) { \ RTLIL::Cell *cell = addCell(name, _type); \ |