bjoernager/rust
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make remaining FloatTy matches exhaustive

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This commit is contained in:
Ralf Jung 2024-03-06 19:48:55 +01:00
parent a5a843726c
commit 3c2318c0b2
2 changed files with 17 additions and 19 deletions
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21
src/tools/miri/src/helpers.rs
View file

@ -1102,20 +1102,17 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
}
}
let (val, status) = match src.layout.ty.kind() {
// f32
ty::Float(FloatTy::F32) =>
let ty::Float(fty) = src.layout.ty.kind() else {
bug!("float_to_int_checked: non-float input type {}", src.layout.ty)
};
let (val, status) = match fty {
FloatTy::F16 => unimplemented!("f16_f128"),
FloatTy::F32 =>
float_to_int_inner::<Single>(this, src.to_scalar().to_f32()?, cast_to, round),
// f64
ty::Float(FloatTy::F64) =>
FloatTy::F64 =>
float_to_int_inner::<Double>(this, src.to_scalar().to_f64()?, cast_to, round),
// Nothing else
_ =>
span_bug!(
this.cur_span(),
"attempted float-to-int conversion with non-float input type {}",
src.layout.ty,
),
FloatTy::F128 => unimplemented!("f16_f128"),
};
if status.intersects(

15
src/tools/miri/src/shims/intrinsics/mod.rs
View file

@ -274,13 +274,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
_ => bug!(),
};
let float_finite = |x: &ImmTy<'tcx, _>| -> InterpResult<'tcx, bool> {
Ok(match x.layout.ty.kind() {
ty::Float(FloatTy::F32) => x.to_scalar().to_f32()?.is_finite(),
ty::Float(FloatTy::F64) => x.to_scalar().to_f64()?.is_finite(),
_ => bug!(
"`{intrinsic_name}` called with non-float input type {ty:?}",
ty = x.layout.ty,
),
let ty::Float(fty) = x.layout.ty.kind() else {
bug!("float_finite: non-float input type {}", x.layout.ty)
};
Ok(match fty {
FloatTy::F16 => unimplemented!("f16_f128"),
FloatTy::F32 => x.to_scalar().to_f32()?.is_finite(),
FloatTy::F64 => x.to_scalar().to_f64()?.is_finite(),
FloatTy::F128 => unimplemented!("f16_f128"),
})
};
match (float_finite(&a)?, float_finite(&b)?) {