X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firop.h;h=d7113445557ee3226191963606dc3141ae9deb01;hb=8ac7f010beb0c30fcbae390e6582661f9f98d417;hp=3ab82d3ef2d500cd5405b89270c32951e5011f04;hpb=142eab74db2f0a85988e98303479dcfe3dceb6fb;p=libfirm diff --git a/ir/ir/irop.h b/ir/ir/irop.h index 3ab82d3ef..d71134455 100644 --- a/ir/ir/irop.h +++ b/ir/ir/irop.h @@ -21,11 +21,13 @@ * definition is close to the operations specified in UKA Tech-Report * 1999-14 */ +#ifndef _IROP_H_ +#define _IROP_H_ -# ifndef _IROP_H_ -# define _IROP_H_ +#include "firm_types.h" -# include "ident.h" +#include +#include "ident.h" /** The allowed parities */ typedef enum { @@ -35,11 +37,11 @@ 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; @@ -55,14 +57,17 @@ typedef enum { irop_flag_forking = 0x00000020, /**< the operation is a forking control flow */ irop_flag_highlevel = 0x00000040, /**< the operation is a pure high-level one and can be skipped in low-level optimizations */ + irop_flag_constlike = 0x00000080, /**< the operation has no arguments and is some + kind of a constant */ + irop_flag_keep = 0x00000100 /**< this operation can be kept in End's keep-alive list */ } irop_flags; /** The opcodes of the libFirm predefined operations. */ typedef enum { iro_Block, - iro_Start, iro_End, iro_Jmp, iro_Cond, iro_Return, iro_Raise, + iro_Start, iro_End, iro_Jmp, iro_IJmp, iro_Cond, iro_Return, iro_Const, iro_SymConst, - iro_Sel, iro_InstOf, + iro_Sel, iro_Call, iro_Add, iro_Sub, iro_Minus, iro_Mul, iro_Quot, iro_DivMod, iro_Div, iro_Mod, iro_Abs, iro_And, iro_Or, iro_Eor, iro_Not, iro_Cmp, iro_Shl, iro_Shr, iro_Shrs, iro_Rot, iro_Conv, iro_Cast, @@ -70,7 +75,8 @@ typedef enum { iro_Load, iro_Store, iro_Alloc, iro_Free, iro_Sync, iro_Proj, iro_Tuple, iro_Id, iro_Bad, iro_Confirm, iro_Unknown, iro_Filter, iro_Break, iro_CallBegin, iro_EndReg, iro_EndExcept, - iro_NoMem, iro_Mux, + iro_NoMem, iro_Mux, iro_CopyB, + iro_InstOf, iro_Raise, iro_Bound, iro_MaxOpcode } opcode; @@ -81,11 +87,10 @@ extern ir_op *op_Block; ir_op *get_op_Block (void); extern ir_op *op_Start; ir_op *get_op_Start (void); extern ir_op *op_End; ir_op *get_op_End (void); extern ir_op *op_Jmp; ir_op *get_op_Jmp (void); +extern ir_op *op_IJmp; ir_op *get_op_IJmp (void); extern ir_op *op_Cond; ir_op *get_op_Cond (void); extern ir_op *op_Return; ir_op *get_op_Return (void); -extern ir_op *op_Raise; ir_op *get_op_Raise (void); extern ir_op *op_Sel; ir_op *get_op_Sel (void); -extern ir_op *op_InstOf; ir_op *get_op_InstOf (void); extern ir_op *op_Const; ir_op *get_op_Const (void); extern ir_op *op_SymConst; ir_op *get_op_SymConst (void); @@ -136,6 +141,11 @@ extern ir_op *op_EndExcept; ir_op *get_op_EndExcept (void); extern ir_op *op_NoMem; ir_op *get_op_NoMem (void); extern ir_op *op_Mux; ir_op *get_op_Mux (void); +extern ir_op *op_CopyB; ir_op *get_op_CopyB (void); + +extern ir_op *op_InstOf; ir_op *get_op_InstOf (void); +extern ir_op *op_Raise; ir_op *get_op_Raise (void); +extern ir_op *op_Bound; ir_op *get_op_Bound (void); /** Returns the ident for the opcode name */ ident *get_op_ident(const ir_op *op); @@ -168,6 +178,150 @@ void set_op_pinned(ir_op *op, op_pin_state pinned); /** Returns the next free IR opcode number, allows to register user ops */ unsigned get_next_ir_opcode(void); +/** Returns the next free n IR opcode number, allows to register a bunch of user ops */ +unsigned get_next_ir_opcodes(unsigned num); + +/** + * A generic function pointer. + */ +typedef void (*op_func)(void); + +/** The NULL-function. */ +#define NULL_FUNC ((generic_func)(NULL)) + +/** + * Returns the generic function pointer from an ir operation. + */ +op_func get_generic_function_ptr(const ir_op *op); + +/** + * Store a generic function pointer into an ir operation. + */ +void set_generic_function_ptr(ir_op *op, op_func func); + +/** + * 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 *self); + +/** + * 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 self + * if the node returned is not self. + * 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 *self); + +/** + * 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 *self); + +/** + * 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 reassociation operation. + * Called from a walker. Returns non-zero if + * a reassociation rule was applied. + * The pointer n is set to the newly created node, if some reassociation + * was applied. + */ +typedef int (*reassociate_func)(ir_node **n); + +/** + * 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 get_type operation. + * Return the type of the node self. + */ +typedef ir_type *(*get_type_func)(ir_node *self); + +/** + * The get_type_attr operation. Used to traverse all types that can be + * accessed from an ir_graph. + * Return the type attribute of the node self. + */ +typedef ir_type *(*get_type_attr_func)(ir_node *self); + +/** + * The get_entity_attr operation. Used to traverse all entities that can be + * accessed from an ir_graph. + * Return the entity attribute of the node self. + */ +typedef entity *(*get_entity_attr_func)(ir_node *self); + +/** + * The verify_node operation. + * Return non-zero if the node verification is ok, else 0. + * Depending on the node verification settings, may even assert. + * + * @see do_node_verification() + */ +typedef int (*verify_node_func)(ir_node *self, ir_graph *irg); + +/** + * The verify_node operation for Proj(X). + * Return non-zero if the node verification is ok, else 0. + * Depending on the node verification settings, may even assert. + * + * @see do_node_verification() + */ +typedef int (*verify_proj_node_func)(ir_node *self, ir_node *proj); + +/** + * Reasons to call the dump_node operation: + */ +typedef enum { + dump_node_opcode_txt, /**< dump the opcode */ + dump_node_mode_txt, /**< dump the mode */ + dump_node_nodeattr_txt, /**< dump node attributes to be shown in the label */ + dump_node_info_txt /**< dump node attributes into info1 */ +} dump_reason_t; + +/** + * The dump_node operation. + * Writes several informations requested by reason to + * an output file + */ +typedef int (*dump_node_func)(ir_node *self, FILE *F, dump_reason_t reason); + +/** + * io_op Operations. + */ +typedef struct { + 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 */ + get_type_func get_type; /**< return the type of a node */ + get_type_attr_func get_type_attr; /**< return the type attribute of a node */ + get_entity_attr_func get_entity_attr; /**< return the entity attribute of a node */ + verify_node_func verify_node; /**< verify the node */ + verify_proj_node_func verify_proj_node; /**< verify the Proj node */ + dump_node_func dump_node; /**< dump a node */ + op_func generic; /**< a generic function */ +} ir_op_ops; + /** * Creates a new ir operation. * @@ -178,11 +332,19 @@ unsigned get_next_ir_opcode(void); * @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 ops operations for this opcode, iff NULL default operations are used * @param attr_size attribute size for this ir operation * * @return The generated ir operation. + * + * This function can create all standard Firm opcode as well as new ones. + * The behavior of new opcode depends on the operations \c ops and the \c flags. */ 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); + unsigned flags, op_arity opar, int op_index, size_t attr_size, + const ir_op_ops *ops); + +/** Returns the ir_op_ops of an ir_op. */ +const ir_op_ops *get_op_ops(const ir_op *op); -# endif /* _IROP_H_ */ +#endif /* _IROP_H_ */