struct bitmap_head_def;
typedef struct bitmap_head_def *bitmap;
typedef const struct bitmap_head_def *const_bitmap;
+struct simple_bitmap_def;
+typedef struct simple_bitmap_def *sbitmap;
+typedef const struct simple_bitmap_def *const_sbitmap;
struct rtx_def;
typedef struct rtx_def *rtx;
typedef const struct rtx_def *const_rtx;
typedef struct gimple_seq_node_d *gimple_seq_node;
typedef const struct gimple_seq_node_d *const_gimple_seq_node;
+/* Address space number for named address space support. */
+typedef unsigned char addr_space_t;
+
+/* The value of addr_space_t that represents the generic address space. */
+#define ADDR_SPACE_GENERIC 0
+#define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC)
+
/* The major intermediate representations of GCC. */
enum ir_type {
IR_GIMPLE,