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Implement vtable_size and vtable_align intrinsics for cg_clif

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bjorn3 2022-07-20 13:36:58 +00:00 committed by Ralf Jung
parent 6c9abfa0f3
commit f8feed7d27
1 changed files with 10 additions and 0 deletions
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10
src/intrinsics/mod.rs
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@ -431,6 +431,16 @@ fn codegen_regular_intrinsic_call<'tcx>(
ret.write_cvalue(fx, CValue::by_val(align, usize_layout));
};
vtable_size, (v vtable) {
let size = crate::vtable::size_of_obj(fx, vtable);
ret.write_cvalue(fx, CValue::by_val(size, usize_layout));
};
vtable_align, (v vtable) {
let align = crate::vtable::min_align_of_obj(fx, vtable);
ret.write_cvalue(fx, CValue::by_val(align, usize_layout));
};
unchecked_add | unchecked_sub | unchecked_mul | unchecked_div | exact_div | unchecked_rem
| unchecked_shl | unchecked_shr, (c x, c y) {
// FIXME trap on overflow