-/**
- * 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
+ * @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"
/**
- * Enters all transform functions into the generic pointer
+ * Transform firm nodes to x86 assembler nodes
*/
-void ia32_register_transformers(void);
+void ia32_transform_graph(ia32_code_gen_t *cg);
+#ifndef NDEBUG
/**
- * Transforms the given Firm node into one or more appropriate ia32 nodes.
+ * Prints the old node name on cg obst and returns a pointer to it.
*/
-void ia32_transform_node(ir_node *node, void *env);
+const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn);
+#endif /* NDEBUG */
/**
- * 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.
+ * Some constants needed for code generation.
+ * Generated on demand.
*/
-void ia32_transform_psi_cond_tree(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_INTMAX, /**< x87 single precision INTMAX */
+ ia32_known_const_max /**< last constant */
+} ia32_known_const_t;
+
+static const arch_register_req_t no_register_req = {
+ arch_register_req_type_none,
+ NULL, /* regclass */
+ NULL, /* limit bitset */
+ 0, /* same pos */
+ 0 /* different pos */
+};
/**
- * Transforms a Minus node.
- *
- * @param env The transformation environment
- * @param op The Minus operand
- * @return The created ia32 Minus node
+ * An assembler constraint.
*/
-ir_node *gen_Minus_ex(ia32_transform_env_t *env, ir_node *op);
+typedef struct constraint_t constraint_t;
+struct constraint_t {
+ const arch_register_class_t *cls;
+ unsigned allowed_registers;
+ bool all_registers_allowed;
+ bool memory_possible;
+ char immediate_type;
+ int same_as;
+};
-#ifndef NDEBUG
/**
- * Prints the old node name on cg obst and returns a pointer to it.
+ * Generate a known floating point constant
*/
-const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn);
-#endif /* NDEBUG */
+ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct);
+
+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);
+
+/**
+ * Get a primitive type for a mode.
+ */
+ir_type *ia32_get_prim_type(pmap *types, ir_mode *mode);
+
+/**
+ * Return true if a mode can be stored in the GP register set
+ */
+int ia32_mode_needs_gp_reg(ir_mode *mode);
+
+void ia32_parse_asm_constraints(constraint_t *constraint, const char *c);
+void ia32_parse_clobber(ir_node *node, int pos, constraint_t *constraint,
+ const char *clobber);
+
+/**
+ * returns register by name (used for determining clobber specifications in
+ * asm instructions)
+ */
+const arch_register_t *ia32_get_clobber_register(const char *clobber);
-#endif /* _IA32_TRANSFORM_H_ */
+#endif /* FIRM_BE_IA32_IA32_TRANSFORM_H */