bjoernager/rust
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Add f16 and f128 to rustc_type_ir::FloatTy and rustc_abi::Primitive

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Make changes necessary to support these types in the compiler.
This commit is contained in:
Trevor Gross 2024-02-28 03:44:23 -05:00
parent ef324565d0
commit e3f63d9375
31 changed files with 107 additions and 14 deletions
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2
compiler/rustc_mir_build/src/build/mod.rs
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@ -1053,6 +1053,7 @@ pub(crate) fn parse_float_into_scalar(
) -> Option<Scalar> {
let num = num.as_str();
match float_ty {
ty::FloatTy::F16 => unimplemented!("f16_f128"),
ty::FloatTy::F32 => {
let Ok(rust_f) = num.parse::<f32>() else { return None };
let mut f = num
@ -1099,6 +1100,7 @@ pub(crate) fn parse_float_into_scalar(
Some(Scalar::from_f64(f))
}
ty::FloatTy::F128 => unimplemented!("f16_f128"),
}
}

2
compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
View file

@ -442,8 +442,10 @@ impl<'tcx> ConstToPat<'tcx> {
ty::Float(flt) => {
let v = cv.unwrap_leaf();
let is_nan = match flt {
ty::FloatTy::F16 => unimplemented!("f16_f128"),
ty::FloatTy::F32 => v.try_to_f32().unwrap().is_nan(),
ty::FloatTy::F64 => v.try_to_f64().unwrap().is_nan(),
ty::FloatTy::F128 => unimplemented!("f16_f128"),
};
if is_nan {
// NaNs are not ever equal to anything so they make no sense as patterns.