diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index c9886fd..e48e288 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -13363,12 +13363,15 @@ ix86_constant_alignment (tree exp, int align) int ix86_data_alignment (tree type, int align) { + int max_align = optimize_size ? BITS_PER_WORD : 256; + if (AGGREGATE_TYPE_P (type) - && TYPE_SIZE (type) - && TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST - && (TREE_INT_CST_LOW (TYPE_SIZE (type)) >= 256 - || TREE_INT_CST_HIGH (TYPE_SIZE (type))) && align < 256) - return 256; + && TYPE_SIZE (type) + && TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST + && (TREE_INT_CST_LOW (TYPE_SIZE (type)) >= (unsigned) max_align + || TREE_INT_CST_HIGH (TYPE_SIZE (type))) + && align < max_align) + align = max_align; /* x86-64 ABI requires arrays greater than 16 bytes to be aligned to 16byte boundary. */ |