};
typedef struct edge_def *edge;
-DEF_VEC_GC_P(edge);
+DEF_VEC_P(edge);
+DEF_VEC_ALLOC_P(edge,gc);
#define EDGE_FALLTHRU 1 /* 'Straight line' flow */
#define EDGE_ABNORMAL 2 /* Strange flow, like computed
tree stmt_list;
/* The edges into and out of the block. */
- VEC(edge) *preds;
- VEC(edge) *succs;
+ VEC(edge,gc) *preds;
+ VEC(edge,gc) *succs;
/* The registers that are live on entry to this block. */
bitmap GTY ((skip (""))) global_live_at_start;
typedef struct {
unsigned index;
- VEC(edge) **container;
+ VEC(edge,gc) **container;
} edge_iterator;
-static inline VEC(edge) *
+static inline VEC(edge,gc) *
ei_container (edge_iterator i)
{
gcc_assert (i.container);
/* Return an iterator pointing to the start of an edge vector. */
static inline edge_iterator
-ei_start_1 (VEC(edge) **ev)
+ei_start_1 (VEC(edge,gc) **ev)
{
edge_iterator i;
/* Return an iterator pointing to the last element of an edge
vector. */
static inline edge_iterator
-ei_last_1 (VEC(edge) **ev)
+ei_last_1 (VEC(edge,gc) **ev)
{
edge_iterator i;
return !ei_end_p (i) ? ei_edge (i) : NULL;
}
+/* Return 1 if we should continue to iterate. Return 0 otherwise.
+ *Edge P is set to the next edge if we are to continue to iterate
+ and NULL otherwise. */
+
+static inline bool
+ei_cond (edge_iterator ei, edge *p)
+{
+ if (!ei_end_p (ei))
+ {
+ *p = ei_edge (ei);
+ return 1;
+ }
+ else
+ {
+ *p = NULL;
+ return 0;
+ }
+}
+
/* This macro serves as a convenient way to iterate each edge in a
vector of predecessor or successor edges. It must not be used when
an element might be removed during the traversal, otherwise
}
*/
-#define FOR_EACH_EDGE(EDGE,ITER,EDGE_VEC) \
- for ((EDGE) = NULL, (ITER) = ei_start ((EDGE_VEC)); \
- ((EDGE) = ei_safe_edge ((ITER))); \
+#define FOR_EACH_EDGE(EDGE,ITER,EDGE_VEC) \
+ for ((ITER) = ei_start ((EDGE_VEC)); \
+ ei_cond ((ITER), &(EDGE)); \
ei_next (&(ITER)))
struct edge_list * create_edge_list (void);
#define PROP_ALLOW_CFG_CHANGES 32 /* Allow the CFG to be changed
by dead code removal. */
#define PROP_AUTOINC 64 /* Create autoinc mem references. */
-#define PROP_EQUAL_NOTES 128 /* Take into account REG_EQUAL notes. */
-#define PROP_SCAN_DEAD_STORES 256 /* Scan for dead code. */
-#define PROP_ASM_SCAN 512 /* Internal flag used within flow.c
+#define PROP_SCAN_DEAD_STORES 128 /* Scan for dead code. */
+#define PROP_ASM_SCAN 256 /* Internal flag used within flow.c
to flag analysis of asms. */
#define PROP_FINAL (PROP_DEATH_NOTES | PROP_LOG_LINKS \
| PROP_REG_INFO | PROP_KILL_DEAD_CODE \