X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_transform.h;h=624dbf9212c6168a14e0e5007c7b746e2cb6039f;hb=5b7cbf3674f5de8d4e14200aa5a9f9919ba1c9de;hp=e049471f829ff4a905ec9ed744b36d0695a79bd6;hpb=6a89841020611498f534ce95f892e76728c37302;p=libfirm

diff --git a/ir/be/ia32/ia32_transform.h b/ir/be/ia32/ia32_transform.h
index e049471f8..624dbf921 100644
--- a/ir/be/ia32/ia32_transform.h
+++ b/ir/be/ia32/ia32_transform.h
@@ -1,36 +1,65 @@
-#ifndef _IA32_TRANSFORM_H_
-#define _IA32_TRANSFORM_H_
-
-#include "firm_config.h"
-#include "bearch_ia32_t.h"
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
 
 /**
- * Enters all transform functions into the generic pointer
+ * @file
+ * @brief       This file implements the IR transformation from firm into ia32-Firm.
+ * @author      Christian Wuerdig, Matthias Braun
+ * @version     $Id$
  */
-void ia32_register_transformers(void);
+#ifndef FIRM_BE_IA32_IA32_TRANSFORM_H
+#define FIRM_BE_IA32_IA32_TRANSFORM_H
+
+#include "bearch_ia32_t.h"
 
 /**
- * Transforms the given Firm node into one or more appropriate ia32 nodes.
+ * Transform firm nodes to x86 assembler nodes, ie
+ * do instruction selection.
  */
-void ia32_transform_node(ir_node *node, void *env);
+void ia32_transform_graph(ia32_code_gen_t *cg);
 
 /**
- * Transforms a Sub or fSub into Neg--Add iff OUT_REG == SRC2_REG.
- * THIS FUNCTIONS MUST BE CALLED AFTER REGISTER ALLOCATION.
+ * Some constants needed for code generation.
+ * Generated on demand.
  */
-void ia32_transform_sub_to_neg_add(ir_node *irn, ia32_code_gen_t *cg);
+typedef enum {
+	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_ULLBIAS,        /**< x87 ULL->float bias */
+	ia32_known_const_max /**< last constant */
+} ia32_known_const_t;
 
 /**
- * Transforms a LEA into an Add if possible
- * THIS FUNCTIONS MUST BE CALLED AFTER REGISTER ALLOCATION.
+ * Generate a known floating point constant
  */
-void ia32_transform_lea_to_add(ir_node *irn, ia32_code_gen_t *cg);
+ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct);
+
+void ia32_add_missing_keeps(ia32_code_gen_t *cg);
 
-#ifndef NDEBUG
 /**
- * Prints the old node name on cg obst and returns a pointer to it.
+ * Skip all Down-Conv's on a given node and return the resulting node.
  */
-const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn);
-#endif /* NDEBUG */
+ir_node *ia32_skip_downconv(ir_node *node);
+
+/** Initialize the ia32 instruction selector. */
+void ia32_init_transform(void);
 
-#endif /* _IA32_TRANSFORM_H_ */
+#endif /* FIRM_BE_IA32_IA32_TRANSFORM_H */