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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4
compiler/rustc_middle/src/ty/context.rs
View file

@ -337,8 +337,10 @@ pub struct CommonTypes<'tcx> {
pub u32: Ty<'tcx>,
pub u64: Ty<'tcx>,
pub u128: Ty<'tcx>,
pub f16: Ty<'tcx>,
pub f32: Ty<'tcx>,
pub f64: Ty<'tcx>,
pub f128: Ty<'tcx>,
pub str_: Ty<'tcx>,
pub never: Ty<'tcx>,
pub self_param: Ty<'tcx>,
@ -418,8 +420,10 @@ impl<'tcx> CommonTypes<'tcx> {
u32: mk(Uint(ty::UintTy::U32)),
u64: mk(Uint(ty::UintTy::U64)),
u128: mk(Uint(ty::UintTy::U128)),
f16: mk(Float(ty::FloatTy::F16)),
f32: mk(Float(ty::FloatTy::F32)),
f64: mk(Float(ty::FloatTy::F64)),
f128: mk(Float(ty::FloatTy::F128)),
str_: mk(Str),
self_param: mk(ty::Param(ty::ParamTy { index: 0, name: kw::SelfUpper })),

4
compiler/rustc_middle/src/ty/layout.rs
View file

@ -117,8 +117,10 @@ impl Primitive {
fn to_ty<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
match *self {
Int(i, signed) => i.to_ty(tcx, signed),
F16 => tcx.types.f16,
F32 => tcx.types.f32,
F64 => tcx.types.f64,
F128 => tcx.types.f128,
// FIXME(erikdesjardins): handle non-default addrspace ptr sizes
Pointer(_) => Ty::new_mut_ptr(tcx, Ty::new_unit(tcx)),
}
@ -135,7 +137,7 @@ impl Primitive {
let signed = false;
tcx.data_layout().ptr_sized_integer().to_ty(tcx, signed)
}
F32 | F64 => bug!("floats do not have an int type"),
F16 | F32 | F64 | F128 => bug!("floats do not have an int type"),
}
}
}

4
compiler/rustc_middle/src/ty/sty.rs
View file

@ -1580,8 +1580,10 @@ impl<'tcx> Ty<'tcx> {
pub fn new_float(tcx: TyCtxt<'tcx>, f: ty::FloatTy) -> Ty<'tcx> {
use ty::FloatTy::*;
match f {
F16 => tcx.types.f16,
F32 => tcx.types.f32,
F64 => tcx.types.f64,
F128 => tcx.types.f128,
}
}
@ -2539,8 +2541,10 @@ impl<'tcx> Ty<'tcx> {
ty::Bool => Some(sym::bool),
ty::Char => Some(sym::char),
ty::Float(f) => match f {
ty::FloatTy::F16 => Some(sym::f16),
ty::FloatTy::F32 => Some(sym::f32),
ty::FloatTy::F64 => Some(sym::f64),
ty::FloatTy::F128 => Some(sym::f128),
},
ty::Int(f) => match f {
ty::IntTy::Isize => Some(sym::isize),