- copy libcore into libfirm

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

diff --git a/ir/be/ia32/ia32_transform.h b/ir/be/ia32/ia32_transform.h
index cda3f7e..44d6353 100644 (file)
--- a/ir/be/ia32/ia32_transform.h
+++ b/ir/be/ia32/ia32_transform.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -18,13 +18,13 @@
  */
 
 /**
- * Function prototypes for Firm into ia32-Firm transformations.
- * @author Christian Wuerdig
- * $Id$
+ * @file
+ * @brief       This file implements the IR transformation from firm into ia32-Firm.
+ * @author      Christian Wuerdig, Matthias Braun
+ * @version     $Id$
  */
-
-#ifndef _IA32_TRANSFORM_H_
-#define _IA32_TRANSFORM_H_
+#ifndef FIRM_BE_IA32_IA32_TRANSFORM_H
+#define FIRM_BE_IA32_IA32_TRANSFORM_H
 
 #include "firm_config.h"
 #include "bearch_ia32_t.h"
@@ -34,26 +34,6 @@
  */
 void ia32_transform_graph(ia32_code_gen_t *cg);
 
-#if 0
-/**
- * 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);
-#endif
-
-/**
- * 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.
@@ -61,8 +41,17 @@ void ia32_transform_psi_cond_tree(ir_node *node, void *env);
 const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn);
 #endif /* NDEBUG */
 
+/**
+ * Some constants needed for code generation.
+ * Generated on demand.
+ */
 typedef enum {
-       ia32_SSIGN, ia32_DSIGN, ia32_SABS, ia32_DABS, ia32_known_const_max
+       ia32_SSIGN,          /**< SSE2 single precision sign */
+       ia32_DSIGN,          /**< SSE2 double precision sign */
+       ia32_SABS,           /**< SSE2 single precision ABS mask */
+       ia32_DABS,           /**< SSE2 double precision ABS mask */
+       ia32_INTMAX,         /**< x87 single precision INTMAX */
+       ia32_known_const_max /**< last constant */
 } ia32_known_const_t;
 
 /**
@@ -70,4 +59,11 @@ typedef enum {
  */
 ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct);
 
-#endif /* _IA32_TRANSFORM_H_ */
+void ia32_add_missing_keeps(ia32_code_gen_t *cg);
+
+/**
+ * Skip all Down-Conv's on a given node and return the resulting node.
+ */
+ir_node *ia32_skip_downconv(ir_node *node);
+
+#endif /* FIRM_BE_IA32_IA32_TRANSFORM_H */