diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 29 |
1 files changed, 23 insertions, 6 deletions
@@ -2562,7 +2562,8 @@ clear_storage (object, size) /* If OBJECT is not BLKmode and SIZE is the same size as its mode, just move a zero. Otherwise, do this a piece at a time. */ - if (GET_MODE (object) != BLKmode + if ((GET_MODE (object) != BLKmode + && !VECTOR_MODE_P (GET_MODE (object))) && GET_CODE (size) == CONST_INT && GET_MODE_SIZE (GET_MODE (object)) == (unsigned int) INTVAL (size)) emit_move_insn (object, CONST0_RTX (GET_MODE (object))); @@ -4528,20 +4529,34 @@ store_constructor (exp, target, cleared, size) get_alias_set (TREE_TYPE (field))); } } - else if (TREE_CODE (type) == ARRAY_TYPE) + else if (TREE_CODE (type) == ARRAY_TYPE + || TREE_CODE (type) == VECTOR_TYPE) { tree elt; int i; int need_to_clear; tree domain = TYPE_DOMAIN (type); tree elttype = TREE_TYPE (type); - int const_bounds_p = (TYPE_MIN_VALUE (domain) - && TYPE_MAX_VALUE (domain) - && host_integerp (TYPE_MIN_VALUE (domain), 0) - && host_integerp (TYPE_MAX_VALUE (domain), 0)); + int const_bounds_p; HOST_WIDE_INT minelt = 0; HOST_WIDE_INT maxelt = 0; + /* Vectors are like arrays, but the domain is stored via an array + type indirectly. */ + if (TREE_CODE (type) == VECTOR_TYPE) + { + /* Note that although TYPE_DEBUG_REPRESENTATION_TYPE uses + the same field as TYPE_DOMAIN, we are not guaranteed that + it always will. */ + domain = TYPE_DEBUG_REPRESENTATION_TYPE (type); + domain = TYPE_DOMAIN (TREE_TYPE (TYPE_FIELDS (domain))); + } + + const_bounds_p = (TYPE_MIN_VALUE (domain) + && TYPE_MAX_VALUE (domain) + && host_integerp (TYPE_MIN_VALUE (domain), 0) + && host_integerp (TYPE_MAX_VALUE (domain), 0)); + /* If we have constant bounds for the range of the type, get them. */ if (const_bounds_p) { @@ -4665,6 +4680,7 @@ store_constructor (exp, target, cleared, size) if (GET_CODE (target) == MEM && !MEM_KEEP_ALIAS_SET_P (target) + && TREE_CODE (type) == ARRAY_TYPE && TYPE_NONALIASED_COMPONENT (type)) { target = copy_rtx (target); @@ -4762,6 +4778,7 @@ store_constructor (exp, target, cleared, size) bitpos = (i * tree_low_cst (TYPE_SIZE (elttype), 1)); if (GET_CODE (target) == MEM && !MEM_KEEP_ALIAS_SET_P (target) + && TREE_CODE (type) == ARRAY_TYPE && TYPE_NONALIASED_COMPONENT (type)) { target = copy_rtx (target); |