FIRM_IMPL1(sched_last, ir_node *, const ir_node *)
FIRM_IMPL2(sched_add_after, ir_node *, ir_node *, ir_node *)
FIRM_IMPL2(sched_add_before, ir_node *, ir_node *, ir_node *)
+FIRM_IMPL1(sched_init_block, void, ir_node *)
+FIRM_IMPL1(sched_reset, void, ir_node *)
FIRM_IMPL2(sched_comes_after, int, const ir_node *, const ir_node *)
FIRM_IMPL1_VOID(sched_remove, ir_node *)
#include "firm_types.h"
-#include "execfreq.h"
-
void be_sched_dump(FILE *f, ir_graph *irg);
int sched_get_time_step(const ir_node *irn);
ir_node *sched_last(const ir_node *block);
ir_node *sched_add_before(ir_node *before, ir_node *irn);
ir_node *sched_add_after(ir_node *before, ir_node *irn);
+void sched_init_block(ir_node *block);
+void sched_reset(ir_node *node);
void sched_remove(ir_node *irn);
-/**
- * Returns the first block of a graphs block schedule.
- */
-ir_node *sched_irg_first(const ir_graph *irg);
-
#define sched_is_end(irn) is_Block(irn)
#define sched_is_begin(irn) is_Block(irn)
#define sched_foreach_reverse(block,irn) \
sched_foreach_reverse_from(sched_last(block), irn)
-/**
- * Calculates a block schedule. The schedule is returned as
- * an array allocated on the irg's obstack.
- *
- * @param irg the graph to be scheduled
- *
- * @return A list of all blocks in schedule order. This list is
- * allocated on irg's obstack and is freed if the graph is destroyed.
- *
- * This function implements a simple extended block scheduling algorithm.
- */
-ir_node **sched_create_block_schedule(ir_graph *irg, ir_exec_freq *execfreqs);
-
/**
* Removes dead nodes from schedule
* @param irg the graph
struct list_head list; /**< The list head to list the nodes in a schedule. */
sched_timestep_t time_step; /**< If a is after b in a schedule, its time step is
larger than b's. */
- unsigned scheduled : 1; /**< 1, if the node is in the schedule of the block, 0 else. */
+ unsigned scheduled : 1; /**< 1, if the node is in the schedule of the block, 0 else. */
} sched_info_t;
#define _sched_entry(list_head) (list_entry(list_head, sched_info_t, list))
*/
static INLINE int _sched_has_next(const ir_node *irn)
{
- const ir_node *block = is_Block(irn) ? irn : get_nodes_block(irn);
+ const ir_node *block = is_Block(irn) ? irn : get_nodes_block(irn);
const sched_info_t *info = get_irn_sched_info(irn);
const sched_info_t *block_info = get_irn_sched_info(block);
return info->list.next != &block_info->list;
*/
static INLINE int _sched_has_prev(const ir_node *irn)
{
- const ir_node *block = is_Block(irn) ? irn : get_nodes_block(irn);
+ const ir_node *block = is_Block(irn) ? irn : get_nodes_block(irn);
const sched_info_t *info = get_irn_sched_info(irn);
const sched_info_t *block_info = get_irn_sched_info(block);
return info->list.prev != &block_info->list;
static INLINE void _sched_set_time_stamp(ir_node *irn)
{
- sched_info_t *inf = get_irn_sched_info(irn);
- sched_timestep_t before_ts = _sched_entry(inf->list.prev)->time_step;
- sched_timestep_t after_ts = _sched_entry(inf->list.next)->time_step;
-
- /*
- * If we are the last, we can give us a big time step,
- * else we have to compute our time step from our
- * neighbours.
- */
- if(before_ts >= after_ts)
- inf->time_step = before_ts + SCHED_INITIAL_GRANULARITY;
- else {
- sched_timestep_t ts = (before_ts + after_ts) / 2;
-
- /*
- * If the resolution went out, we have to renumber
- * this block.
- */
- if(ts == before_ts || ts == after_ts)
- sched_renumber(get_nodes_block(irn));
- else
- inf->time_step = ts;
- }
+ sched_info_t *inf = get_irn_sched_info(irn);
+ sched_timestep_t before_ts = _sched_entry(inf->list.prev)->time_step;
+ sched_timestep_t after_ts = _sched_entry(inf->list.next)->time_step;
+
+ /*
+ * If we are the last, we can give us a big time step,
+ * else we have to compute our time step from our
+ * neighbours.
+ */
+ if(before_ts >= after_ts)
+ inf->time_step = before_ts + SCHED_INITIAL_GRANULARITY;
+ else {
+ sched_timestep_t ts = (before_ts + after_ts) / 2;
+
+ /*
+ * If the resolution went out, we have to renumber
+ * this block.
+ */
+ if(ts == before_ts || ts == after_ts)
+ sched_renumber(get_nodes_block(irn));
+ else
+ inf->time_step = ts;
+ }
}
/**
*/
static INLINE ir_node *_sched_add_before(ir_node *before, ir_node *irn)
{
+ assert(_sched_is_scheduled(before) && !_sched_is_scheduled(irn));
sched_info_t *info = get_irn_sched_info(irn);
list_add_tail(&info->list, &get_irn_sched_info(before)->list);
_sched_set_time_stamp(irn);
*/
static INLINE ir_node *_sched_add_after(ir_node *after, ir_node *irn)
{
+ assert(_sched_is_scheduled(after) && !_sched_is_scheduled(irn));
sched_info_t *info = get_irn_sched_info(irn);
list_add(&info->list, &get_irn_sched_info(after)->list);
_sched_set_time_stamp(irn);
return irn;
}
+static INLINE void _sched_init_block(ir_node *block)
+{
+ sched_info_t *info = get_irn_sched_info(block);
+ assert(info->scheduled == 0 && info->time_step == 0);
+ INIT_LIST_HEAD(&info->list);
+ info->scheduled = 1;
+}
+
+static INLINE void _sched_reset(ir_node *node)
+{
+ sched_info_t *info = get_irn_sched_info(node);
+ info->scheduled = 0;
+}
+
/**
* Remove a node from the scheduled.
* @param irn The node.