diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 4aab67494d4..96903a3148c 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -312,13 +312,14 @@ get_mem_attrs (alias, expr, offset, size, align, mode) mem_attrs attrs; void **slot; - /* If everything is the default, we can just return zero. */ + /* If everything is the default, we can just return zero. + This must match what the corresponding MEM_* macros return when the + field is not present. */ if (alias == 0 && expr == 0 && offset == 0 && (size == 0 || (mode != BLKmode && GET_MODE_SIZE (mode) == INTVAL (size))) - && (align == BITS_PER_UNIT - || (STRICT_ALIGNMENT - && mode != BLKmode && align == GET_MODE_ALIGNMENT (mode)))) + && (STRICT_ALIGNMENT && mode != BLKmode + ? align == GET_MODE_ALIGNMENT (mode) : align == BITS_PER_UNIT)) return 0; attrs.alias = alias; |