/*
- * Project: libFIRM
- * File name: ir/ir/irop_t.h
- * Purpose: Representation of opcode of intermediate operation -- private header.
- * Author: Christian Schaefer
- * Modified by: Goetz Lindenmaier
- * Created:
- * CVS-ID: $Id$
- * Copyright: (c) 1998-2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
- */
-
-
-# ifndef _IROP_T_H_
-# define _IROP_T_H_
-
-# include "irop.h"
-# include "tv.h"
-
-/** The allowed parities */
-typedef enum {
- oparity_invalid = 0,
- oparity_unary, /**< an unary operator -- considering 'numeric' arguments. */
- oparity_binary, /**< an binary operator -- considering 'numeric' arguments.*/
- oparity_trinary, /**< an trinary operator -- considering 'numeric' arguments.*/
- oparity_zero, /**< no operators, as e.g. Const. */
- oparity_variable, /**< arity not fixed by opcode, but statically
- known. E.g., number of arguments to call. */
- oparity_dynamic, /**< arity depends on state of firm representation.
- Can change by optimizations...
- We must allocate a dynamic in array for the node! */
- oparity_any /**< other arity */
-} op_arity;
-
-
-/** The irop flags */
-typedef enum {
- irop_flag_labeled = 0x00000001, /**< if set, Output edge labels on in-edges in vcg graph */
- irop_flag_commutative = 0x00000002, /**< operation is commutative */
- irop_flag_cfopcode = 0x00000004, /**< is a control flow operation */
- irop_flag_ip_cfopcode = 0x00000008, /**< operation manipulates interprocedural control flow */
- irop_flag_fragile = 0x00000010 /**< set if the operation can change the control flow because
- of an exception */
-} irop_flags;
-
-
-/**
- * The compute value operation.
- * This operation evaluates an IR node into a tarval if possible,
- * returning tarval_bad otherwise.
+ * Copyright (C) 1995-2007 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.
*/
-typedef tarval *(*computed_value_func)(ir_node *n);
/**
- * The equivalent node operation.
- * This operation returns an equivalent node for the input node.
- * It does not create new nodes. It is therefore safe to free n
- * if the node returned is not n.
- * If a node returns a Tuple we can not just skip it. If the size of the
- * in array fits, we transform n into a tuple (e.g., possible for Div).
+ * @file
+ * @brief Representation of opcode of intermediate operation -- private header.
+ * @author Christian Schaefer, Goetz Lindenmaier
+ * @version $Id$
*/
-typedef ir_node *(*equivalent_node_func)(ir_node *n);
+#ifndef FIRM_IR_IROP_T_H
+#define FIRM_IR_IROP_T_H
-/**
- * The transform node operation.
- * This operation tries several [inplace] [optimizing] transformations
- * and returns an equivalent node.
- * The difference to equivalent_node() is that these
- * transformations _do_ generate new nodes, and thus the old node must
- * not be freed even if the equivalent node isn't the old one.
- */
-typedef ir_node *(*transform_node_func)(ir_node *n);
+#include "firm_config.h"
+#include "irop.h"
+#include "tv.h"
+#include "irnode.h"
-/**
- * The node attribute compare operation.
- * Compares the nodes attributes of two nodes of identical opcode
- * and returns 0 if the attributes are identical, 1 if they differ.
- */
-typedef int (*node_cmp_attr_func)(ir_node *a, ir_node *b);
/** The type of an ir_op. */
struct ir_op {
- opcode code; /**< the unique opcode of the op */
- ident *name; /**< the name of the op */
- size_t attr_size; /**< Space needed in memory for private attributes */
- op_pinned pinned; /**< How to deal with the node in cse, pre. */
- op_arity opar; /**< arity of operator. */
- int op_index; /**< the index of the first data operand, 0 for most cases, 1 for Div etc. */
- unsigned flags; /**< flags describing the behavior of the ir_op, a bitmaks of irop_flags */
-
- /* CallBacks */
- computed_value_func computed_value; /**< evaluates a node into a tarval if possible. */
- equivalent_node_func equivalent_node; /**< optimizes the node by returning an equivalent one. */
- transform_node_func transform_node; /**< optimizes the node by transforming it. */
- node_cmp_attr_func node_cmp_attr; /**< compares two node attributes. */
+ ir_opcode code; /**< The unique opcode of the op. */
+ ident *name; /**< The name of the op. */
+ size_t attr_size; /**< Space needed in memory for private attributes. */
+ op_pin_state op_pin_state_pinned; /**< How to deal with the node in CSE, PRE. */
+ op_arity opar; /**< The arity of operator. */
+ int op_index; /**< The index of the first data operand, 0 for most cases, 1 for Div etc. */
+ unsigned flags; /**< Flags describing the behavior of the ir_op, a bitmasks of irop_flags. */
+ void *tag; /**< Some custom pointer the op's creator can attach stuff to. */
+
+ ir_op_ops ops; /**< The operations of the this op. */
};
-/**
- * Creates a new ir operation.
- *
- * @param code the opcode, one of type \c opcode
- * @param name the printable name of this opcode
- * @param p wheater operations of this opcode are pinned or floating
- * @param flags a bitmask of irop_flags describing the behavior of the ir operation
- * @param opar the parity of this ir operation
- * @param op_index if the parity is oparity_unary, oparity_binary or oparity_trinary the index
- * of the left operand
- * @param attr_size attribute size for this ir operation
- *
- * @return The genenerated ir operation.
- */
-ir_op * new_ir_op(opcode code, const char *name, op_pinned p,
- unsigned flags, op_arity opar, int op_index, size_t attr_size);
-
/**
* Frees a newly created ir operation.
*/
/** Free memory used by irop module. */
void finish_op(void);
-# ifndef INLINE
-# ifdef USE_GCC_INLINE
-# define INLINE __extension__ ((__inline__))
-# else /* defined USE_GCC_INLINE */
-# define INLINE
-# endif /* define USE_GCC_INLINE */
-# endif /* defined INLINE */
-
-/** Returns the attribute size of nodes of this opcode.
- @note Use not encouraged, internal feature. */
-INLINE int get_op_attr_size (const ir_op *op)
-# ifdef USE_GCC_INLINE
-{
+/**
+ * Copies simply all attributes stored in the old node to the new node.
+ * Assumes both have the same opcode and sufficient size.
+ *
+ * @param old_node the old node from which the attributes are read
+ * @param new_node the new node to which the attributes are written
+ */
+void default_copy_attr(const ir_node *old_node, ir_node *new_node);
+
+/**
+ * Returns the attribute size of nodes of this opcode.
+ * @note Use not encouraged, internal feature.
+ */
+static INLINE size_t get_op_attr_size (const ir_op *op) {
return op->attr_size;
}
-# else /* defined USE_GCC_INLINE */
-;
-# endif /* not defined USE_GCC_INLINE */
-/** Returns non-zero if op is one of Start, End, Jmp, Cond, Return, Raise or Bad. */
-INLINE int is_cfopcode(const ir_op *op)
-# ifdef USE_GCC_INLINE
-{
+/**
+ * Returns non-zero if op is a control flow opcode,
+ * like Start, End, Jmp, Cond, Return, Raise or Bad.
+ */
+static INLINE int is_cfopcode(const ir_op *op) {
return op->flags & irop_flag_cfopcode;
}
-# else /* defined USE_GCC_INLINE */
-;
-# endif /* not defined USE_GCC_INLINE */
-/** Returns true if the operation manipulates interprocedural control flow:
- CallBegin, EndReg, EndExcept */
-INLINE int is_ip_cfopcode(const ir_op *op)
-# ifdef USE_GCC_INLINE
-{
+/**
+ * Returns non-zero if the operation manipulates interprocedural control flow:
+ * CallBegin, EndReg, EndExcept
+ */
+static INLINE int is_ip_cfopcode(const ir_op *op) {
return op->flags & irop_flag_ip_cfopcode;
}
-# else /* defined USE_GCC_INLINE */
-;
-# endif /* not defined USE_GCC_INLINE */
-/* Returns non-zero if operation is commutative */
-INLINE int is_op_commutative(const ir_op *op)
-# ifdef USE_GCC_INLINE
-{
+/** Returns non-zero if operation is commutative */
+static INLINE int is_op_commutative(const ir_op *op) {
return op->flags & irop_flag_commutative;
}
-# else /* defined USE_GCC_INLINE */
-;
-# endif /* not defined USE_GCC_INLINE */
-/* Returns non-zero if operation is fragile */
-INLINE int is_op_fragile(const ir_op *op)
-# ifdef USE_GCC_INLINE
-{
+/** Returns non-zero if operation is fragile */
+static INLINE int is_op_fragile(const ir_op *op) {
return op->flags & irop_flag_fragile;
}
-# else /* defined USE_GCC_INLINE */
-;
-# endif /* not defined USE_GCC_INLINE */
-#endif /* _IROP_T_H_ */
+/** Returns non-zero if operation is forking control flow */
+static INLINE int is_op_forking(const ir_op *op) {
+ return op->flags & irop_flag_forking;
+}
+
+/** Returns non-zero if operation is a high-level op */
+static INLINE int is_op_highlevel(const ir_op *op) {
+ return op->flags & irop_flag_highlevel;
+}
+
+/** Returns non-zero if operation is a const-like op */
+static INLINE int is_op_constlike(const ir_op *op) {
+ return op->flags & irop_flag_constlike;
+}
+
+/** Returns non-zero if operation must always be optimized */
+static INLINE int is_op_always_opt(const ir_op *op) {
+ return op->flags & irop_flag_always_opt;
+}
+
+/** Returns non-zero if operation is a keep-like op */
+static INLINE int is_op_keep(const ir_op *op) {
+ return op->flags & irop_flag_keep;
+}
+
+/** Returns non-zero if operation must always be placed in the start block. */
+static INLINE int is_op_start_block_placed(const ir_op *op) {
+ return op->flags & irop_flag_start_block;
+}
+
+/** Returns non-zero if operation is a machine operation */
+static INLINE int is_op_machine(const ir_op *op) {
+ return op->flags & irop_flag_machine;
+}
+
+/** Returns non-zero if operation is a machine operand */
+static INLINE int is_op_machine_operand(const ir_op *op) {
+ return op->flags & irop_flag_machine_op;
+}
+
+/** Returns non-zero if operation is a machine user op number n */
+static INLINE int is_op_machine_user(const ir_op *op, unsigned n) {
+ return op->flags & (irop_flag_user << n);
+}
+
+static INLINE ir_opcode _get_op_code(const ir_op *op) {
+ return op->code;
+}
+
+static INLINE ident *_get_op_ident(const ir_op *op){
+ return op->name;
+}
+
+static INLINE op_pin_state _get_op_pinned(const ir_op *op) {
+ return op->op_pin_state_pinned;
+}
+
+static INLINE void _set_generic_function_ptr(ir_op *op, op_func func) {
+ op->ops.generic = func;
+}
+
+static INLINE op_func _get_generic_function_ptr(const ir_op *op) {
+ return op->ops.generic;
+}
+
+static INLINE const ir_op_ops *_get_op_ops(const ir_op *op) {
+ return &op->ops;
+}
+
+static INLINE void _set_op_tag(ir_op *op, void *tag) {
+ op->tag = tag;
+}
+
+static INLINE void *_get_op_tag(ir_op *op) {
+ return op->tag;
+}
+
+#define get_op_code(op) _get_op_code(op)
+#define get_op_ident(op) _get_op_ident(op)
+#define get_op_pinned(op) _get_op_pinned(op)
+#define get_op_ops(op) _get_op_ops(op)
+#define set_op_tag(op, tag) _set_op_tag((op), (tag))
+#define get_op_tag(op) _get_op_tag(op)
+
+#endif
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