X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firop_t.h;h=92f0402278e906e8402e703726c160439f0c4f6a;hb=346dfddce9be4420855b06ea40d2bf21dad9bc88;hp=214d4ba5b0d3db97a30b82637bb289f1e015e169;hpb=e570f00fb465d212dde403160e97ab45d36d1d7e;p=libfirm diff --git a/ir/ir/irop_t.h b/ir/ir/irop_t.h index 214d4ba5b..92f040227 100644 --- a/ir/ir/irop_t.h +++ b/ir/ir/irop_t.h @@ -25,22 +25,23 @@ typedef enum { 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. */ + 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 */ + 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_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 + 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; @@ -78,21 +79,29 @@ typedef ir_node *(*transform_node_func)(ir_node *n); */ typedef int (*node_cmp_attr_func)(ir_node *a, ir_node *b); +/** + * The reassociation operation. + * Called from a walker. Returns non-zero if + * a reassociation rule was applied. + */ +typedef int (*reassociate_func)(ir_node *n); + /** 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_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. */ + 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 */ }; /** @@ -100,7 +109,7 @@ struct ir_op { * * @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 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 @@ -109,8 +118,8 @@ struct ir_op { * * @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); +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. @@ -123,64 +132,54 @@ void init_op(void); /** 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 -{ +static INLINE int 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 -{ +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 -{ +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 -{ +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 -{ +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 */ + +/* 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) { + return op->code; +} + +static INLINE ident *__get_op_ident(ir_op *op){ + return op->name; +} + +static INLINE op_pin_state __get_op_pinned(const ir_op *op) { + return op->op_pin_state_pinned; +} + + +#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) + #endif /* _IROP_T_H_ */