X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeilpsched.h;h=f20df66bcb519728d37b6edfcff52f361cf8840b;hb=80a6158fdd766f42ee6c508a773bc114ff1b61f3;hp=3b8240d2e89e7d108d8e147cc84d299204d42ffc;hpb=c99a6652d51c5ff2f3ccc32692916ccadfe59425;p=libfirm

diff --git a/ir/be/beilpsched.h b/ir/be/beilpsched.h
index 3b8240d2e..f20df66bc 100644
--- a/ir/be/beilpsched.h
+++ b/ir/be/beilpsched.h
@@ -3,6 +3,121 @@
 
 #include "firm_config.h"
 
+#include "bemachine.h"
+#include "beirg.h"
+
+typedef struct _ilp_sched_selector_t    ilp_sched_selector_t;
+typedef struct _ilp_sched_selector_if_t ilp_sched_selector_if_t;
+
+/**
+ * A selector interface which is used by the ILP schedule framework.
+ * These functions provide the ILP scheduler with necessary information
+ * from the backend or they pass back information to the backend about
+ * the state of scheduling.
+ */
+struct _ilp_sched_selector_if_t {
+
+	/**
+	 * This function is called before the scheduling of the irg.
+	 * @param self    The this pointer.
+	 * @param irg     The irg being scheduled.
+	 * @return An irg scheduling environment.
+	 */
+	void *(*init_irg_ilp_schedule)(const void *self, ir_graph *irg);
+
+	/**
+	 * This functions is called after an irg has been scheduled.
+	 * @param self    The this pointer.
+	 * @param irg     The irg which has been scheduled.
+	 * @param irg_env The irg scheduling environment.
+	 */
+	void (*finish_irg_ilp_schedule)(const void *self, ir_graph *irg, void *irg_env);
+
+	/**
+	 * This function is called before the scheduling of a block starts.
+	 * @param self       The this pointer.
+	 * @param block      The block being scheduled.
+	 * @return A block scheduling environment.
+	 */
+	void *(*init_block_ilp_schedule)(const void *self, ir_node *block);
+
+	/**
+	 * This functions is called after a block has been scheduled.
+	 * @param self      The this pointer.
+	 * @param block     The block which has been scheduled.
+	 * @param block_env The block scheduling environment.
+	 */
+	void (*finish_block_ilp_schedule)(const void *self, ir_node *block, void *block_env);
+
+	/**
+	 * Calculates the latency of node @p irn.
+	 * @param self       The this pointer.
+	 * @param irn        The node.
+	 * @param block_env  The block scheduling environment.
+	 * @return The latency in cycles of node @p irn.
+	 */
+	unsigned (*latency)(const void *self, ir_node *irn, void *block_env);
+
+	/**
+	 * This function is called after a certain node has been scheduled.
+	 * @param self       The this pointer.
+	 * @param irn        The node which has been scheduled.
+	 * @param cycle      The cycle at which the node is scheduled.
+	 * @param block_env  The block scheduling environment.
+	 */
+	void (*node_scheduled)(const void *self, ir_node *irn, unsigned cycle, void *block_env);
+};
+
+/**
+ * The actual ILP schedule selector.
+ */
+struct _ilp_sched_selector_t {
+	ilp_sched_selector_if_t *impl;
+};
+
+/**
+ * Some helper macros.
+ */
+#define BE_ILP_SCHED_CALL(func, self, obj, env)       \
+	do {                                              \
+		if ((self) && (self)->impl->func)             \
+			(self)->impl->func((self), (obj), (env)); \
+	} while (0)
+
+#define BE_ILP_SCHED_CALL2(func, self, obj, obj2, env)        \
+	do {                                                      \
+		if ((self) && (self)->impl->func)                     \
+			(self)->impl->func((self), (obj), (obj2), (env)); \
+	} while (0)
+
+#define BE_ILP_SCHED_CALL_ENVRET(func, self, obj, defret) \
+	((self) && (self)->impl->func ? (self)->impl->func((self), (obj)) : (defret))
+
+#define BE_ILP_SCHED_CALL_RET(func, self, obj, env, defret) \
+	((self) && (self)->impl->func ? (self)->impl->func((self), (obj), (env)) : (defret))
+
+/**
+ * Convenience macros for all functions.
+ */
+
+#define be_ilp_sched_init_irg_ilp_schedule(self, irg) \
+	BE_ILP_SCHED_CALL_ENVRET(init_irg_ilp_schedule, self, irg, NULL)
+
+#define be_ilp_sched_finish_irg_ilp_schedule(self, irg, irg_env) \
+	BE_ILP_SCHED_CALL(finish_irg_ilp_schedule, self, irg, irg_env)
+
+#define be_ilp_sched_init_block_ilp_schedule(self, block) \
+	BE_ILP_SCHED_CALL_ENVRET(init_block_ilp_schedule, self, block, NULL)
+
+#define be_ilp_sched_finish_block_ilp_schedule(self, block, block_env) \
+	BE_ILP_SCHED_CALL(finish_block_ilp_schedule, self, block, block_env)
+
+#define be_ilp_sched_latency(self, irn, block_env) \
+	BE_ILP_SCHED_CALL_RET(latency, self, irn, block_env, 0)
+
+#define be_ilp_sched_node_scheduled(self, irn, cycle, block_env) \
+	BE_ILP_SCHED_CALL2(node_scheduled, self, irn, cycle, block_env)
+
 /**
  * Perform ILP scheduling on given birg.
  */