diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-02-25 09:55:26 +0000 |
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| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-02-25 09:55:26 +0000 |
| commit | 23f6583561fe9b59d4bfb94768ae5cfd297c870b (patch) | |
| tree | 6370b29061600d79c54493687748d4db7efd7c4d /gcc/stor-layout.c | |
| parent | 54bc307a4916091d639dcc4771bcef4199a12fab (diff) | |
| download | gcc-23f6583561fe9b59d4bfb94768ae5cfd297c870b.tar.gz | |
* stor-layout.c (layout_decl): Do not bump the alignment of a
bit-field to more than byte alignment if it is packed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132614 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/stor-layout.c')
| -rw-r--r-- | gcc/stor-layout.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c index 1ae2db5ca00..a7bcd054400 100644 --- a/gcc/stor-layout.c +++ b/gcc/stor-layout.c @@ -388,13 +388,13 @@ layout_decl (tree decl, unsigned int known_align) { 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; } |