X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbetranshlp.h;h=a45e2e85f243ed2ae949cd8175b6baa289b14c69;hb=c57decb6b15b5490d4c3e9e546d8024556e2263f;hp=eb5663ba2f44001aac5b81d25a15453df7c6dff5;hpb=1ce363f80e6a204d4011f85813362d9bd1d0e7e4;p=libfirm

diff --git a/ir/be/betranshlp.h b/ir/be/betranshlp.h
index eb5663ba2..a45e2e85f 100644
--- a/ir/be/betranshlp.h
+++ b/ir/be/betranshlp.h
@@ -22,18 +22,17 @@
  * @brief       be transform helper extracted from the ia32 backend.
  * @author      Matthias Braun, Michael Beck
  * @date        14.06.2007
- * @version     $Id$
  */
 #ifndef FIRM_BE_BETRANSHLP_H
 #define FIRM_BE_BETRANSHLP_H
 
+#include "be_types.h"
 #include "firm_types.h"
-#include "beirg.h"
 
 /**
  * A callback to pre-transform some nodes before the transformation starts.
  */
-typedef void (arch_pretrans_nodes)(void *arch_cg);
+typedef void (arch_pretrans_nodes)(void);
 
 /**
  * The type of a transform function.
@@ -49,9 +48,10 @@ ir_node *be_pre_transform_node(ir_node *place);
 ir_node *be_transform_node(ir_node *node);
 
 /**
- * returns an anchor from the graph before the transformation
+ * Creates a new phi (needs some special handling since we can't transform
+ * all predecessors yet).
  */
-ir_node *be_get_old_anchor(int anchor);
+ir_node *be_transform_phi(ir_node *node, const arch_register_req_t *req);
 
 /**
  * Duplicate all dependency edges of a node.
@@ -63,6 +63,13 @@ void be_duplicate_deps(ir_node *old_node, ir_node *new_node);
  */
 ir_node *be_duplicate_node(ir_node *node);
 
+/** clear transform functions and sets some virtual nodes like
+ * Start, Sync, Pin to the duplication transformer */
+void be_start_transform_setup(void);
+
+/** register a transform function for a specific node type */
+void be_set_transform_function(ir_op *op, be_transform_func func);
+
 /**
  * Associate an old node with a transformed node. Uses link field.
  */
@@ -81,6 +88,22 @@ void be_enqueue_preds(ir_node *node);
 /**
  * Transform a graph. Transformers must be registered first.
  */
-void be_transform_graph(be_irg_t *birg, arch_pretrans_nodes *func, void *cg_env);
+void be_transform_graph(ir_graph *irg, arch_pretrans_nodes *func);
+
+typedef bool (*upper_bits_clean_func)(const ir_node *node, ir_mode *mode);
+
+/**
+ * register a test function for be_upper_bits_clean for a specific node
+ * type.
+ */
+void be_set_upper_bits_clean_function(ir_op *op, upper_bits_clean_func func);
+
+/**
+ * returns true if it is assured, that the upper bits of a node are "clean"
+ * which means for a 16 or 8 bit value, that the upper bits in the register
+ * are 0 for unsigned and a copy of the last significant bit for signed
+ * numbers.
+ */
+bool be_upper_bits_clean(const ir_node *node, ir_mode *mode);
 
-#endif /* FIRM_BE_BETRANSHLP_H */
+#endif