X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode_t.h;h=db9259f1b52f815f2f24c50f1056c34ed790248f;hb=7b71c0bebe3c21ae2bfe11ebaa0ade64e3e39cdb;hp=63dd9ca5eb57893236cda4f1098ffbd67ee59b9d;hpb=39f3a8dbd0f00f90b7b12a849d1bf7b9c1329479;p=libfirm

diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h
index 63dd9ca5e..db9259f1b 100644
--- a/ir/be/benode_t.h
+++ b/ir/be/benode_t.h
@@ -32,11 +32,8 @@
 
 #include <limits.h>
 
-#include "irmode.h"
+#include "firm_types.h"
 #include "irnode.h"
-#include "irgraph.h"
-#include "entity.h"
-
 #include "bearch.h"
 
 #define BE_OUT_POS(p) (-((p) + 1))
@@ -65,7 +62,7 @@ extern ir_op *op_be_FrameStore;
 extern ir_op *op_be_Barrier;
 
 typedef enum {
-	beo_NoBeOp = 0,
+	beo_NoBeOp = -1,
 	beo_Spill,
 	beo_Reload,
 	beo_Perm,
@@ -160,6 +157,20 @@ void be_set_Copy_op(ir_node *cpy, ir_node *op);
  * Make a new Perm node.
  */
 ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
+
+/**
+ * Reduce a Perm.
+ * Basically, we provide a map to remap the Perm's arguments. If an entry in the
+ * map is -1, the argument gets deleted.
+ * This function takes care, that the register data and the input array reflects
+ * the changes described by the map.
+ * This is needed by the Perm optimization/movement in belower.c, see push_through_perm().
+ * @param perm     The perm node.
+ * @param new_size The new number of arguments (must be smaller or equal to the current one).
+ * @param map      A map assigning each operand a new index (or -1 to indicate deletion).
+ */
+void be_Perm_reduce(ir_node *perm, int new_size, int *map);
+
 /**
  * Create a new MemPerm node.
  */
@@ -168,12 +179,42 @@ ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *b
 
 void be_Keep_add_node(ir_node *keep, const arch_register_class_t *cls, ir_node *node);
 
+/**
+ * Position numbers for the be_FrameLoad inputs
+ */
+enum {
+	be_pos_FrameLoad_mem = 0,
+	be_pos_FrameLoad_ptr = 1
+};
+
 ir_node *be_new_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
 						  ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_entity *ent);
+
+/**
+ * Position numbers for the be_FrameStore inputs
+ */
+enum {
+	be_pos_FrameStore_mem = 0,
+	be_pos_FrameStore_ptr = 1,
+	be_pos_FrameStore_val = 2
+};
+
 ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
 						   ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, ir_entity *ent);
+
+/**
+ * Position numbers for the be_FrameAddr inputs
+ */
+enum {
+	be_pos_FrameAddr_ptr = 0
+};
+
+/** Create a new FrameAddr node. */
 ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_entity *ent);
 
+/** Return the frame input of a FrameAddr node. */
+ir_node *be_get_FrameAddr_frame(ir_node *node);
+
 /**
  * Position numbers for the be_AddSP inputs
  */
@@ -184,9 +225,10 @@ enum {
 };
 
 enum {
-	pn_be_AddSP_res  = 0,
-	pn_be_AddSP_M    = 1,
-	pn_be_AddSP_last = 2
+	pn_be_AddSP_sp   = 0,
+	pn_be_AddSP_res  = 1,
+	pn_be_AddSP_M    = 2,
+	pn_be_AddSP_last = 3
 };
 
 /**
@@ -213,7 +255,7 @@ enum {
 };
 
 enum {
-	pn_be_SubSP_res  = 0,
+	pn_be_SubSP_sp   = 0,
 	pn_be_SubSP_M    = 1,
 	pn_be_SubSP_last = 2
 };
@@ -293,7 +335,18 @@ typedef enum {
 } pn_be_Call;
 
 /**
- * Construct a new be_Call
+ * Construct a new be_Call.
+ *
+ * @param dbg      debug info
+ * @param irg      the graph where the call is placed
+ * @param bl       the block where the call is placed
+ * @param mem      the memory input of the call
+ * @param sp       the stack pointer input of the call
+ * @param ptr      the address of the called function, if immediate call set to sp
+ * @param n_outs   the number of outcoming values from this call
+ * @param n        the number of (register) inputs of this call
+ * @param in       the (register) inputs of this call
+ * @param call_tp  the call type of this call
  */
 ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr,
                      int n_outs, int n, ir_node *in[], ir_type *call_tp);
@@ -323,6 +376,13 @@ int be_Return_get_n_rets(ir_node *ret);
 /** appends a node to the return node, returns the position of the node */
 int be_Return_append_node(ir_node *ret, ir_node *node);
 
+/**
+ * StackParam input positions
+ */
+enum {
+	be_pos_StackParam_ptr = 0
+};
+
 /**
  * Construct a new Stack Parameter node.
  */