{
tree array = treeop0;
tree index = treeop1;
- tree init;
+ tree init;
/* Fold an expression like: "foo"[2].
This is not done in fold so it won't happen inside &.
break;
}
- return expand_expr (fold (value), target, tmode,
- modifier);
+ return
+ expand_expr (fold (value), target, tmode, modifier);
}
}
- else if(TREE_CODE (init) == STRING_CST)
+ else if (TREE_CODE (init) == STRING_CST)
{
- tree index1 = index;
tree low_bound = array_ref_low_bound (exp);
- index1 = fold_convert_loc (loc, sizetype,
- treeop1);
-
- /* Optimize the special-case of a zero lower bound.
-
- We convert the low_bound to sizetype to avoid some problems
- with constant folding. (E.g. suppose the lower bound is 1,
- and its mode is QI. Without the conversion,l (ARRAY
- +(INDEX-(unsigned char)1)) becomes ((ARRAY+(-(unsigned char)1))
- +INDEX), which becomes (ARRAY+255+INDEX). Opps!) */
-
- if (! integer_zerop (low_bound))
+ tree index1 = fold_convert_loc (loc, sizetype, treeop1);
+
+ /* Optimize the special case of a zero lower bound.
+
+ We convert the lower bound to sizetype to avoid problems
+ with constant folding. E.g. suppose the lower bound is
+ 1 and its mode is QI. Without the conversion
+ (ARRAY + (INDEX - (unsigned char)1))
+ becomes
+ (ARRAY + (-(unsigned char)1) + INDEX)
+ which becomes
+ (ARRAY + 255 + INDEX). Oops! */
+ if (!integer_zerop (low_bound))
index1 = size_diffop_loc (loc, index1,
- fold_convert_loc (loc, sizetype,
- low_bound));
+ fold_convert_loc (loc, sizetype,
+ low_bound));
- if (0 > compare_tree_int (index1,
- TREE_STRING_LENGTH (init)))
+ if (compare_tree_int (index1, TREE_STRING_LENGTH (init)) < 0)
{
tree type = TREE_TYPE (TREE_TYPE (init));
enum machine_mode mode = TYPE_MODE (type);
|| modifier == EXPAND_CONST_ADDRESS
|| modifier == EXPAND_INITIALIZER)
return op0;
-
+
if (target == 0)
target = gen_reg_rtx (tmode != VOIDmode ? tmode : mode);
/* Bit position of this element from the start of a possibly ongoing
outer byte buffer. */
HOST_WIDE_INT byte_relative_ebitpos
- = bit_offset + constructor_relative_ebitpos;
+ = bit_offset + constructor_relative_ebitpos;
/* From the start of a possibly ongoing outer byte buffer, offsets to
the first bit of this element and to the first bit past the end of
local.total_bytes = 0;
local.byte_buffer_in_use = outer != NULL;
local.byte = outer ? outer->byte : 0;
-
local.last_relative_index = -1;
gcc_assert (HOST_BITS_PER_WIDE_INT >= BITS_PER_UNIT);