fixed CopyB emitter

[libfirm] / ir / be / ia32 / ia32_transform.h

diff --git a/ir/be/ia32/ia32_transform.h b/ir/be/ia32/ia32_transform.h
index 863016b..333fa1c 100644 (file)
--- a/ir/be/ia32/ia32_transform.h
+++ b/ir/be/ia32/ia32_transform.h
@@ -1,6 +1,50 @@
+/**
+ * Function prototypes for Firm into ia32-Firm transformations.
+ * @author Christian Wuerdig
+ * $Id$
+ */
+
 #ifndef _IA32_TRANSFORM_H_
 #define _IA32_TRANSFORM_H_
 
+#include "firm_config.h"
+#include "bearch_ia32_t.h"
+
+/**
+ * Enters all transform functions into the generic pointer
+ */
+void ia32_register_transformers(void);
+
+/**
+ * Transforms the given Firm node into one or more appropriate ia32 nodes.
+ */
 void ia32_transform_node(ir_node *node, void *env);
 
+/**
+ * Transforms a Sub or fSub into Neg--Add iff OUT_REG == SRC2_REG.
+ * THIS FUNCTIONS MUST BE CALLED AFTER REGISTER ALLOCATION.
+ */
+void ia32_transform_sub_to_neg_add(ir_node *irn, ia32_code_gen_t *cg);
+
+/**
+ * Transforms a LEA into an Add if possible
+ * THIS FUNCTIONS MUST BE CALLED AFTER REGISTER ALLOCATION.
+ */
+void ia32_transform_lea_to_add(ir_node *irn, ia32_code_gen_t *cg);
+
+/**
+ * The Psi selector can be a tree of compares combined with "And"s and "Or"s.
+ * We create a Set node, respectively a xCmp in case the Psi is a float, for each
+ * compare, which causes the compare result to be stores in a register.  The
+ * "And"s and "Or"s are transformed later, we only adjust their mode.
+ */
+void ia32_transform_psi_cond_tree(ir_node *node, void *env);
+
+#ifndef NDEBUG
+/**
+ * Prints the old node name on cg obst and returns a pointer to it.
+ */
+const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn);
+#endif /* NDEBUG */
+
 #endif /* _IA32_TRANSFORM_H_ */