X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_transform.h;h=2fa865b531aa692e4a05a6067618b48142237274;hb=eb593ca265a302849042866b57a3cf7a6e9495ab;hp=5c680b9ab449770a72573d3e7531ab900ae782da;hpb=75a385285d13e1d189a4b7c64bfe87002fcf5ab4;p=libfirm

diff --git a/ir/be/ia32/ia32_transform.h b/ir/be/ia32/ia32_transform.h
index 5c680b9ab..2fa865b53 100644
--- a/ir/be/ia32/ia32_transform.h
+++ b/ir/be/ia32/ia32_transform.h
@@ -1,21 +1,62 @@
-#ifndef _IA32_TRANSFORM_H_
-#define _IA32_TRANSFORM_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.
+ */
+
+/**
+ * @file
+ * @brief       This file implements the IR transformation from firm into ia32-Firm.
+ * @author      Christian Wuerdig, Matthias Braun
+ * @version     $Id$
+ */
+#ifndef FIRM_BE_IA32_IA32_TRANSFORM_H
+#define FIRM_BE_IA32_IA32_TRANSFORM_H
+
+#include "firm_config.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
  */
-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_INTMAX,         /**< x87 single precision INTMAX */
+	ia32_known_const_max /**< last constant */
+} ia32_known_const_t;
+
+/**
+ * Generate a known floating point constant
+ */
+ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct);
+
+void ia32_add_missing_keeps(ia32_code_gen_t *cg);
 
 /**
- * Transforms a LEA into an Add if possible
- * THIS FUNCTIONS MUST BE CALLED AFTER REGISTER ALLOCATION.
+ * Skip all Down-Conv's on a given node and return the resulting node.
  */
-void ia32_transform_lea_to_add(ir_node *irn, ia32_code_gen_t *cg);
+ir_node *ia32_skip_downconv(ir_node *node);
 
-#endif /* _IA32_TRANSFORM_H_ */
+#endif /* FIRM_BE_IA32_IA32_TRANSFORM_H */