diff options
Diffstat (limited to 'mistral/bitstream.cc')
| -rw-r--r-- | mistral/bitstream.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mistral/bitstream.cc b/mistral/bitstream.cc index 713ca9bb..a9eaeff2 100644 --- a/mistral/bitstream.cc +++ b/mistral/bitstream.cc @@ -223,8 +223,11 @@ struct MistralBitgen cv->bmux_m_set(CycloneV::LAB, pos, CycloneV::BDFF1, alm, CycloneV::NLUT); cv->bmux_m_set(CycloneV::LAB, pos, CycloneV::BDFF1L, alm, CycloneV::NLUT); - if ((luts[0] && luts[0]->combInfo.is_carry) || (luts[1] && luts[1]->combInfo.is_carry)) + bool is_carry = (luts[0] && luts[0]->combInfo.is_carry) || (luts[1] && luts[1]->combInfo.is_carry); + if (is_carry) cv->bmux_m_set(CycloneV::LAB, pos, CycloneV::ARITH_SEL, alm, CycloneV::ADDER); + if (is_carry && alm == 0 && luts[0]->combInfo.carry_start) + cv->bmux_b_set(CycloneV::LAB, pos, CycloneV::TTO_DIS, alm, true); } void write_labs() |