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author | Eric Botcazou <ebotcazou@adacore.com> | 2024-08-20 22:59:58 +0200 |
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committer | Marc Poulhiès <dkm@gcc.gnu.org> | 2024-09-03 10:16:47 +0200 |
commit | d8d191469e1e08e7b8530874cbb0f2781dc2e14d (patch) | |
tree | 9fcbc78b5d7143d816a53344ff2ff75ea8b68e94 | |
parent | 9ba7262c8de0a96e85cc1ad05e2c3666228c74e8 (diff) | |
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ada: Pass unaligned record components by copy in calls on all platforms
This has historically been done only on platforms requiring the strict
alignment of memory references, but this can arguably be considered as
being mandated by the language on all of them.
gcc/ada/
* gcc-interface/trans.cc (addressable_p) <COMPONENT_REF>: Take into
account the alignment of the field on all platforms.
-rw-r--r-- | gcc/ada/gcc-interface/trans.cc | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/ada/gcc-interface/trans.cc b/gcc/ada/gcc-interface/trans.cc index 3f2eadd..7cced04 100644 --- a/gcc/ada/gcc-interface/trans.cc +++ b/gcc/ada/gcc-interface/trans.cc @@ -10289,9 +10289,8 @@ addressable_p (tree gnu_expr, tree gnu_type) check the alignment of the containing record, as it is guaranteed to be not smaller than that of its most aligned field that is not a bit-field. */ - && (!STRICT_ALIGNMENT - || DECL_ALIGN (TREE_OPERAND (gnu_expr, 1)) - >= TYPE_ALIGN (TREE_TYPE (gnu_expr)))) + && DECL_ALIGN (TREE_OPERAND (gnu_expr, 1)) + >= TYPE_ALIGN (TREE_TYPE (gnu_expr))) /* The field of a padding record is always addressable. */ || TYPE_IS_PADDING_P (TREE_TYPE (TREE_OPERAND (gnu_expr, 0)))) && addressable_p (TREE_OPERAND (gnu_expr, 0), NULL_TREE)); |