X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firop_t.h;h=aa67a72c80b7a72c047f45a94ca7ef13f35bcf5a;hb=d904350bc3a4b3b9c77a71d683be6c44b041a33d;hp=532e21dca5b96e218b09c4f6f7f6fc3c83c71932;hpb=cc191ea0ed6f29083b7ec1cf10a8411c83f20389;p=libfirm diff --git a/ir/ir/irop_t.h b/ir/ir/irop_t.h index 532e21dca..aa67a72c8 100644 --- a/ir/ir/irop_t.h +++ b/ir/ir/irop_t.h @@ -9,109 +9,29 @@ * 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 "firm_config.h" +#include "irop.h" +#include "tv.h" +#include "irnode.h" -# 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. - */ -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. - */ -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. - */ -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. */ + 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. */ @@ -123,31 +43,121 @@ void init_op(void); /** Free memory used by irop module. */ void finish_op(void); -/** Returns the attribute size of nodes of this opcode. - @note Use not encouraged, internal feature. */ +/** + * 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) { 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 */ +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 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 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 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 /* _IROP_T_H_ */