{
enum machine_mode xmode
= mode_for_size_tree (DECL_SIZE (decl), MODE_INT, 1);
+ unsigned int xalign = GET_MODE_ALIGNMENT (xmode);
if (xmode != BLKmode
- && (known_align == 0
- || known_align >= GET_MODE_ALIGNMENT (xmode)))
+ && !(xalign > BITS_PER_UNIT && DECL_PACKED (decl))
+ && (known_align == 0 || known_align >= xalign))
{
- DECL_ALIGN (decl) = MAX (GET_MODE_ALIGNMENT (xmode),
- DECL_ALIGN (decl));
+ DECL_ALIGN (decl) = MAX (xalign, DECL_ALIGN (decl));
DECL_MODE (decl) = xmode;
DECL_BIT_FIELD (decl) = 0;
}
layout_decl (decl, 0);
}
\f
-/* Hook for a front-end function that can modify the record layout as needed
- immediately before it is finalized. */
-
-static void (*lang_adjust_rli) (record_layout_info) = 0;
-
-void
-set_lang_adjust_rli (void (*f) (record_layout_info))
-{
- lang_adjust_rli = f;
-}
-
/* Begin laying out type T, which may be a RECORD_TYPE, UNION_TYPE, or
QUAL_UNION_TYPE. Return a pointer to a struct record_layout_info which
is to be passed to all other layout functions for this record. It is the
if (TREE_CODE (type) == QUAL_UNION_TYPE)
TYPE_FIELDS (type) = nreverse (TYPE_FIELDS (type));
- if (lang_adjust_rli)
- (*lang_adjust_rli) (rli);
-
/* Finish laying out the record. */
finish_record_layout (rli, /*free_p=*/true);
}
&& TREE_CODE (type) != QUAL_UNION_TYPE)
finalize_type_size (type);
- /* If an alias set has been set for this aggregate when it was incomplete,
- force it into alias set 0.
- This is too conservative, but we cannot call record_component_aliases
- here because some frontends still change the aggregates after
- layout_type. */
- if (AGGREGATE_TYPE_P (type) && TYPE_ALIAS_SET_KNOWN_P (type))
- TYPE_ALIAS_SET (type) = 0;
+ /* We should never see alias sets on incomplete aggregates. And we
+ should not call layout_type on not incomplete aggregates. */
+ if (AGGREGATE_TYPE_P (type))
+ gcc_assert (!TYPE_ALIAS_SET_KNOWN_P (type));
}
\f
/* Create and return a type for signed integers of PRECISION bits. */