diff options
| -rw-r--r-- | compiler/rustc_const_eval/src/interpret/operator.rs | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index a6924371632..2175f051a19 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -433,13 +433,16 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { } ty::Float(fty) => { let val = val.to_scalar(); + if un_op != Neg { + span_bug!(self.cur_span(), "Invalid float op {:?}", un_op); + } + // No NaN adjustment here, `-` is a bitwise operation! - let res = match (un_op, fty) { - (Neg, FloatTy::F16) => Scalar::from_f16(-val.to_f16()?), - (Neg, FloatTy::F32) => Scalar::from_f32(-val.to_f32()?), - (Neg, FloatTy::F64) => Scalar::from_f64(-val.to_f64()?), - (Neg, FloatTy::F128) => Scalar::from_f128(-val.to_f128()?), - _ => span_bug!(self.cur_span(), "Invalid float op {:?}", un_op), + let res = match fty { + FloatTy::F16 => Scalar::from_f16(-val.to_f16()?), + FloatTy::F32 => Scalar::from_f32(-val.to_f32()?), + FloatTy::F64 => Scalar::from_f64(-val.to_f64()?), + FloatTy::F128 => Scalar::from_f128(-val.to_f128()?), }; Ok(ImmTy::from_scalar(res, layout)) } |