diff options
Diffstat (limited to 'gcc/stor-layout.c')
| -rw-r--r-- | gcc/stor-layout.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c index 0f65e16..8c415ebb 100644 --- a/gcc/stor-layout.c +++ b/gcc/stor-layout.c @@ -1150,12 +1150,16 @@ handle_warn_if_not_align (tree field, unsigned int record_align) warning (opt_w, "alignment %u of %qT is less than %u", record_align, context, warn_if_not_align); - unsigned HOST_WIDE_INT off - = (tree_to_uhwi (DECL_FIELD_OFFSET (field)) - + tree_to_uhwi (DECL_FIELD_BIT_OFFSET (field)) / BITS_PER_UNIT); - if ((off % warn_if_not_align) != 0) - warning (opt_w, "%q+D offset %wu in %qT isn't aligned to %u", - field, off, context, warn_if_not_align); + tree off = byte_position (field); + if (!multiple_of_p (TREE_TYPE (off), off, size_int (warn_if_not_align))) + { + if (TREE_CODE (off) == INTEGER_CST) + warning (opt_w, "%q+D offset %E in %qT isn%'t aligned to %u", + field, off, context, warn_if_not_align); + else + warning (opt_w, "%q+D offset %E in %qT may not be aligned to %u", + field, off, context, warn_if_not_align); + } } /* Called from place_field to handle unions. */ |