X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firop_t.h;h=cca5987b388ca19ecf119432a0c7e6299c635078;hb=cf3056ad5ceb8c9018c01e634fc5e85bb4bfd6fb;hp=a4b193ccdb63c01f26d171a68b221f89d6b6546a;hpb=1fc585e757c14a881909a4576c13cca6f6af9bd8;p=libfirm diff --git a/ir/ir/irop_t.h b/ir/ir/irop_t.h index a4b193ccd..cca5987b3 100644 --- a/ir/ir/irop_t.h +++ b/ir/ir/irop_t.h @@ -1,133 +1,51 @@ /* - * 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_flag_forking = 0x00000020, /**< the operation is a forking control flow */ -} irop_flags; - - -/** - * The compute value operation. - * This operation evaluates an IR node into a tarval if possible, - * returning tarval_bad otherwise. - */ -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). - */ -typedef ir_node *(*equivalent_node_func)(ir_node *n); - -/** - * 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. + * 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 ir_node *(*transform_node_func)(ir_node *n); /** - * 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. + * @file + * @brief Representation of opcode of intermediate operation -- private header. + * @author Christian Schaefer, Goetz Lindenmaier + * @version $Id$ */ -typedef int (*node_cmp_attr_func)(ir_node *a, ir_node *b); +#ifndef FIRM_IR_IROP_T_H +#define FIRM_IR_IROP_T_H -/** - * The reassociation operation. - * Called from a walker. Returns non-zero if - * a reassociation rule was applied. - */ -typedef int (*reassociate_func)(ir_node *n); +#include "firm_config.h" +#include "irop.h" +#include "tv.h" +#include "irnode.h" -/** - * The copy attribute operation. - * Copy the node attributes from a 'old' node to a 'new' one. - */ -typedef void (*copy_attr_func)(const ir_node *old_node, ir_node *new_node); /** 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_pin_state op_pin_state_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. */ - reassociate_func reassociate; /**< reassociate a tree */ - copy_attr_func copy_attr; /**< copy 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 op_pin_state_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_pin_state p, - unsigned flags, op_arity opar, int op_index, size_t attr_size); - /** * Frees a newly created ir operation. */ @@ -142,57 +60,128 @@ void finish_op(void); /** * 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 int get_op_attr_size (const ir_op *op) { +/** + * 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; } -/** Returns non-zero if op is one of Start, End, Jmp, Cond, Return, Raise or Bad. */ +/** + * 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; } -/** Returns true if the operation manipulates interprocedural control flow: - CallBegin, EndReg, EndExcept */ +/** + * 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; } -/* Returns non-zero if operation is commutative */ +/** Returns non-zero if operation is commutative */ static INLINE int is_op_commutative(const ir_op *op) { return op->flags & irop_flag_commutative; } -/* Returns non-zero if operation is fragile */ +/** Returns non-zero if operation is fragile */ static INLINE int is_op_fragile(const ir_op *op) { return op->flags & irop_flag_fragile; } -/* Returns non-zero if operation is forking control flow */ +/** 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; } -static INLINE opcode __get_op_code(const ir_op *op) { +/** 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){ +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) { +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; +} -#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) +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 /* _IROP_T_H_ */ +#endif