diff options
| -rw-r--r-- | kernel/calc.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/calc.cc b/kernel/calc.cc index 2e9be437..efb09c39 100644 --- a/kernel/calc.cc +++ b/kernel/calc.cc @@ -286,13 +286,17 @@ RTLIL::Const RTLIL::const_shr(const RTLIL::Const &arg1, const RTLIL::Const &arg2 return const_shift(arg1_ext, arg2, false, +1, result_len); } -RTLIL::Const RTLIL::const_sshl(const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool, bool, int result_len) +RTLIL::Const RTLIL::const_sshl(const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool signed1, bool signed2, int result_len) { + if (!signed1) + return const_shl(arg1, arg2, signed1, signed2, result_len); return const_shift(arg1, arg2, true, -1, result_len); } -RTLIL::Const RTLIL::const_sshr(const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool, bool, int result_len) +RTLIL::Const RTLIL::const_sshr(const RTLIL::Const &arg1, const RTLIL::Const &arg2, bool signed1, bool signed2, int result_len) { + if (!signed1) + return const_shr(arg1, arg2, signed1, signed2, result_len); return const_shift(arg1, arg2, true, +1, result_len); } |