+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#include <stdlib.h>
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
#include "impl.h"
#include "irprintf.h"
#include "irgwalk.h"
-#include "irnode.h"
+#include "irnode_t.h"
+#include "irgraph_t.h"
+#include "iredges_t.h"
#include "debug.h"
+#include "bearch.h"
#include "besched_t.h"
-#include "besched.h"
+#include "beutil.h"
#include "belistsched.h"
FIRM_IMPL1(sched_get_time_step, int, const ir_node *)
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_IMPL2(sched_comes_after, int, const ir_node *, const ir_node *)
+FIRM_IMPL1_VOID(sched_remove, ir_node *)
size_t sched_irn_data_offset = 0;
FILE *f = env;
const ir_node *curr;
- ir_fprintf(f, "%n:\n", block);
+ ir_fprintf(f, "%+F:\n", block);
sched_foreach(block, curr) {
- ir_fprintf(f, "\t%n\n", curr);
+ sched_info_t *info = get_irn_sched_info(curr);
+ ir_fprintf(f, "\t%6d: %+F\n", info->time_step, curr);
}
}
-void be_sched_dump(FILE *f, const ir_graph *irg)
+void be_sched_dump(FILE *f, ir_graph *irg)
{
- irg_block_walk_graph((ir_graph *) irg, block_sched_dumper, NULL, f);
+ irg_block_walk_graph(irg, block_sched_dumper, NULL, f);
}
+/* Init the scheduling stuff. */
void be_sched_init(void)
{
sched_irn_data_offset = register_additional_node_data(sizeof(sched_info_t));
- firm_dbg_register("be.sched");
-}
-
-void be_sched_test(void)
-{
- int i, n;
- struct obstack obst;
-
- obstack_init(&obst);
-
- for(i = 0, n = get_irp_n_irgs(); i < n; ++i) {
- ir_graph *irg = get_irp_irg(i);
-
- list_sched(irg, trivial_selector);
- be_sched_dump(stdout, irg);
- }
-
- obstack_free(&obst, NULL);
+ firm_dbg_register("be.sched");
}
void sched_renumber(const ir_node *block)
}
}
-
+/* Verify a schedule. */
int sched_verify(const ir_node *block)
{
firm_dbg_module_t *dbg_sched = firm_dbg_register("be.sched");
const ir_node *irn;
int i, n;
int *save_time_step;
+ const ir_node **save_nodes;
+ const ir_edge_t *edge;
+ pset *scheduled_nodes = pset_new_ptr_default();
+
+ firm_dbg_set_mask(dbg_sched, -1);
/* Count the number of nodes in the schedule. */
n = 0;
sched_foreach(block, irn)
n++;
- save_time_step = malloc(n * sizeof(save_time_step[0]));
+ if(n <= 0)
+ return 1;
+
+ save_time_step = xmalloc(n * sizeof(save_time_step[0]));
+ save_nodes = xmalloc(n * sizeof(save_nodes[0]));
i = 0;
sched_foreach(block, irn) {
sched_info_t *info = get_irn_sched_info(irn);
save_time_step[i] = info->time_step;
+ save_nodes[i] = (ir_node *)irn;
info->time_step = i;
+ pset_insert_ptr(scheduled_nodes, irn);
i += 1;
}
for(i = 0, n = get_irn_arity(irn); i < n; i++) {
ir_node *op = get_irn_n(irn, i);
- if(mode_is_datab(get_irn_mode(op))
+ if(to_appear_in_schedule(op)
+ && !is_Phi(irn)
&& get_nodes_block(op) == block
&& sched_get_time_step(op) > step) {
DBG((dbg_sched, LEVEL_DEFAULT,
- "%n is operand of %n but scheduled after", op, irn));
+ "%+F: %+F is operand of %+F but scheduled after\n", block, op, irn));
res = 0;
}
}
for(i = 1; i < n; ++i) {
if(save_time_step[i] - save_time_step[i - 1] <= 0) {
DBG((dbg_sched, LEVEL_DEFAULT,
- "position %d: time step shrinks (from %d to %d)\n",
- i, save_time_step[i - 1], save_time_step[i]));
+ "%+F from %+F(%d) -> %+F(%d) step shrinks from %d -> %d\n",
+ block, save_nodes[i - 1], i - 1, save_nodes[i], i,
+ save_time_step[i - 1], save_time_step[i]));
res = 0;
}
}
info->time_step = save_time_step[i++];
}
+ /* Check for all nodes in the block if they are scheduled. */
+ foreach_out_edge(block, edge) {
+ ir_node *irn = get_edge_src_irn(edge);
+ if(to_appear_in_schedule(irn) && !pset_find_ptr(scheduled_nodes, irn))
+ DBG((dbg_sched, LEVEL_DEFAULT,
+ "%+F: %+F is in block but not scheduled\n", block, irn));
+ }
+
+ del_pset(scheduled_nodes);
free(save_time_step);
+ free((void *) save_nodes);
return res;
}
-static void sched_verify_walker(ir_node *irn, void *data)
+/**
+ * Block-Walker: verify the current block and update the status
+ */
+static void sched_verify_walker(ir_node *block, void *data)
{
int *res = data;
- *res &= sched_verify(irn);
+ *res &= sched_verify(block);
}
+/* Verify the schedules in all blocks of the irg. */
int sched_verify_irg(ir_graph *irg)
{
int res = 1;
return res;
}
+
+int sched_skip_cf_predicator(const ir_node *irn, void *data) {
+ arch_env_t *ae = data;
+ return arch_irn_classify(ae, irn) == arch_irn_class_branch;
+}
+
+int sched_skip_phi_predicator(const ir_node *irn, void *data) {
+ return is_Phi(irn);
+}
+
+ir_node *sched_skip(ir_node *from, int forward, sched_predicator_t *predicator, void *data)
+{
+ const ir_node *bl = get_block(from);
+ ir_node *curr;
+
+ if (is_Block(from))
+ from = forward ? sched_next(from) : sched_prev(from);
+
+ for(curr = from; curr != bl && predicator(curr, data); curr = forward ? sched_next(curr) : sched_prev(curr));
+
+ return curr;
+}
projects / libfirm / blobdiff