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Merge commit 'e39eacd2d415803ef82de3b6a314e4f2d0fbc4dc' into sync_cg_clif-2025-01-10

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bjorn3
2025-01-10 09:02:07 +00:00
parent 67951d946a e39eacd2d4
commit 92a664e111
15 changed files with 93 additions and 320 deletions
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46
compiler/rustc_codegen_cranelift/src/codegen_i128.rs
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@@ -62,9 +62,8 @@ pub(crate) fn maybe_codegen<'tcx>(
}
}
pub(crate) fn maybe_codegen_checked<'tcx>(
pub(crate) fn maybe_codegen_mul_checked<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
bin_op: BinOp,
lhs: CValue<'tcx>,
rhs: CValue<'tcx>,
) -> Option<CValue<'tcx>> {
@@ -78,32 +77,19 @@ pub(crate) fn maybe_codegen_checked<'tcx>(
let is_signed = type_sign(lhs.layout().ty);
match bin_op {
BinOp::BitAnd | BinOp::BitOr | BinOp::BitXor => unreachable!(),
BinOp::Add | BinOp::Sub => None,
BinOp::Mul => {
let out_ty = Ty::new_tup(fx.tcx, &[lhs.layout().ty, fx.tcx.types.bool]);
let out_place = CPlace::new_stack_slot(fx, fx.layout_of(out_ty));
let param_types = vec![
AbiParam::special(fx.pointer_type, ArgumentPurpose::StructReturn),
AbiParam::new(types::I128),
AbiParam::new(types::I128),
];
let args = [out_place.to_ptr().get_addr(fx), lhs.load_scalar(fx), rhs.load_scalar(fx)];
fx.lib_call(
if is_signed { "__rust_i128_mulo" } else { "__rust_u128_mulo" },
param_types,
vec![],
&args,
);
Some(out_place.to_cvalue(fx))
}
BinOp::AddUnchecked | BinOp::SubUnchecked | BinOp::MulUnchecked => unreachable!(),
BinOp::AddWithOverflow | BinOp::SubWithOverflow | BinOp::MulWithOverflow => unreachable!(),
BinOp::Offset => unreachable!("offset should only be used on pointers, not 128bit ints"),
BinOp::Div | BinOp::Rem => unreachable!(),
BinOp::Cmp => unreachable!(),
BinOp::Lt | BinOp::Le | BinOp::Eq | BinOp::Ge | BinOp::Gt | BinOp::Ne => unreachable!(),
BinOp::Shl | BinOp::ShlUnchecked | BinOp::Shr | BinOp::ShrUnchecked => unreachable!(),
}
let out_ty = Ty::new_tup(fx.tcx, &[lhs.layout().ty, fx.tcx.types.bool]);
let out_place = CPlace::new_stack_slot(fx, fx.layout_of(out_ty));
let param_types = vec![
AbiParam::special(fx.pointer_type, ArgumentPurpose::StructReturn),
AbiParam::new(types::I128),
AbiParam::new(types::I128),
];
let args = [out_place.to_ptr().get_addr(fx), lhs.load_scalar(fx), rhs.load_scalar(fx)];
fx.lib_call(
if is_signed { "__rust_i128_mulo" } else { "__rust_u128_mulo" },
param_types,
vec![],
&args,
);
Some(out_place.to_cvalue(fx))
}