From c906d2e428b9d20d1d73ec587bff75a6d25efed7 Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Thu, 13 Jun 2024 08:11:16 -0500 Subject: Enable const evaluation for `f16` and `f128` This excludes casting, which needs more tests. --- compiler/rustc_const_eval/src/interpret/operator.rs | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'compiler/rustc_const_eval/src') diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index a6eef9f5662..a6924371632 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -362,14 +362,18 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let left = left.to_scalar(); let right = right.to_scalar(); Ok(match fty { - FloatTy::F16 => unimplemented!("f16_f128"), + FloatTy::F16 => { + self.binary_float_op(bin_op, layout, left.to_f16()?, right.to_f16()?) + } FloatTy::F32 => { self.binary_float_op(bin_op, layout, left.to_f32()?, right.to_f32()?) } FloatTy::F64 => { self.binary_float_op(bin_op, layout, left.to_f64()?, right.to_f64()?) } - FloatTy::F128 => unimplemented!("f16_f128"), + FloatTy::F128 => { + self.binary_float_op(bin_op, layout, left.to_f128()?, right.to_f128()?) + } }) } _ if left.layout.ty.is_integral() => { @@ -431,8 +435,10 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let val = val.to_scalar(); // 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), }; Ok(ImmTy::from_scalar(res, layout)) -- cgit 1.4.1-3-g733a5