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Merge pull request #3612 from rtfeldman/tag-alignment

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Tag alignment
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Richard Feldman 2022-07-23 22:45:54 -04:00 • committed by GitHub
commit eb04d4b9f6
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14 changed files with 539 additions and 451 deletions
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6
crates/compiler/gen_dev/src/generic64/storage.rs
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@ -594,16 +594,16 @@ impl<
let (data_size, data_alignment) =
union_layout.data_size_and_alignment(self.target_info);
let id_offset = data_size - data_alignment;
let id_builtin = union_layout.tag_id_builtin();
let discriminant = union_layout.discriminant();
let size = id_builtin.stack_size(self.target_info);
let size = discriminant.stack_size();
self.allocation_map.insert(*sym, owned_data);
self.symbol_storage_map.insert(
*sym,
Stack(ReferencedPrimitive {
base_offset: union_offset + id_offset as i32,
size,
sign_extend: matches!(id_builtin, sign_extended_int_builtins!()),
sign_extend: false, // tag ids are always unsigned
}),
);
}