reenable femms

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

diff --git a/ir/be/ia32/ia32_transform.h b/ir/be/ia32/ia32_transform.h
index cf02150..78aff85 100644 (file)
--- a/ir/be/ia32/ia32_transform.h
+++ b/ir/be/ia32/ia32_transform.h
@@ -1,47 +1,62 @@
-/**
- * Function prototypes for Firm into ia32-Firm transformations.
- * @author Christian Wuerdig
- * $Id$
+/*
+ * 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.
  */
 
-#ifndef _IA32_TRANSFORM_H_
-#define _IA32_TRANSFORM_H_
+/**
+ * @file
+ * @brief       This file implements the IR transformation from firm into ia32-Firm.
+ * @author      Christian Wuerdig, Matthias Braun
+ */
+#ifndef FIRM_BE_IA32_IA32_TRANSFORM_H
+#define FIRM_BE_IA32_IA32_TRANSFORM_H
 
-#include "firm_config.h"
 #include "bearch_ia32_t.h"
 
 /**
- * Enters all transform functions into the generic pointer
+ * Transform firm nodes to x86 assembler nodes, ie
+ * do instruction selection.
  */
-void ia32_register_transformers(void);
+void ia32_transform_graph(ir_graph *irg);
 
 /**
- * Transforms the given Firm node into one or more appropriate ia32 nodes.
+ * Some constants needed for code generation.
+ * Generated on demand.
  */
-void ia32_transform_node(ir_node *node, void *env);
+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;
 
 /**
- * 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.
+ * Generate a known floating point constant
  */
-void ia32_transform_psi_cond_tree(ir_node *node, void *env);
+ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct);
 
 /**
- * Transforms a Minus node.
- *
- * @param env   The transformation environment
- * @param op    The Minus operand
- * @return The created ia32 Minus node
+ * Skip all Down-Conv's on a given node and return the resulting node.
  */
-ir_node *gen_Minus_ex(ia32_transform_env_t *env, ir_node *op);
+ir_node *ia32_skip_downconv(ir_node *node);
 
-#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 */
+/** Initialize the ia32 instruction selector. */
+void ia32_init_transform(void);
 
-#endif /* _IA32_TRANSFORM_H_ */
+#endif