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| author | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-28 10:34:30 +0000 |
|---|---|---|
| committer | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-28 10:34:30 +0000 |
| commit | c2ab04f9e57d248094640e87fdfe3f9454a9cd5d (patch) | |
| tree | 7e925b64a93bd395a2f07912807080dfbe0ecd38 /gcc/c-decl.c | |
| parent | 4e62d878778233548fdf5049e7a2b621b88928ee (diff) | |
| download | gcc-c2ab04f9e57d248094640e87fdfe3f9454a9cd5d.tar.gz | |
.:
PR c++/21166
* c-decl.c (finish_struct): Only set DECL_PACKED on a field
when its natural alignment is > BITS_PER_UNIT.
* stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
* c-common.c (handle_packed_attribute): Ignore packing on a field
whose type is naturally char aligned.
cp:
PR c++/21166
* class.c (check_field_decls): Only set DECL_PACKED on a field
when its natural alignment is > BITS_PER_UNIT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107599 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index a86cfdc01b6..44e03abacdc 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -5326,7 +5326,9 @@ finish_struct (tree t, tree fieldlist, tree attributes) for (x = fieldlist; x; x = TREE_CHAIN (x)) { DECL_CONTEXT (x) = t; - DECL_PACKED (x) |= TYPE_PACKED (t); + + if (TYPE_PACKED (t) && TYPE_ALIGN (TREE_TYPE (x)) > BITS_PER_UNIT) + DECL_PACKED (x) = 1; /* If any field is const, the structure type is pseudo-const. */ if (TREE_READONLY (x)) |