X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Firop.h;h=182c259fc072f1570f8c5ab9a6eb8bea02f430ec;hb=a587dd2e23eafa549494155709fbd5f83afdf043;hp=6accd3cbfbfd2d65a7e5e9cdd68e647eef025676;hpb=1ec30d95387eb392ba5a1adc7958ebd91383d59c;p=libfirm diff --git a/include/libfirm/irop.h b/include/libfirm/irop.h index 6accd3cbf..182c259fc 100644 --- a/include/libfirm/irop.h +++ b/include/libfirm/irop.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -37,63 +37,91 @@ #include #include "ident.h" -/** The allowed parities */ +/** The allowed arities. */ 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 */ + oparity_invalid = 0, + oparity_unary, /**< An unary operator -- considering 'numeric' arguments. */ + oparity_binary, /**< A binary operator -- considering 'numeric' arguments.*/ + oparity_trinary, /**< A trinary operator -- considering 'numeric' arguments.*/ + oparity_zero, /**< A zero arity operator, e.g. a Const. */ + oparity_variable, /**< The arity is not fixed by opcode, but statically + known. E.g., number of arguments to call. */ + oparity_dynamic, /**< The arity depends on state of Firm representation. + Can be changed by optimizations... + We must allocate a dynamic in array for the node! */ + oparity_any /**< Any other arity. */ } op_arity; /** The irop flags */ typedef enum { - irop_flag_none = 0x00000000, /**< Nothing. */ - irop_flag_labeled = 0x00000001, /**< If set, output edge labels on in-edges in vcg graph. */ - irop_flag_commutative = 0x00000002, /**< This operation is commutative. */ - irop_flag_cfopcode = 0x00000004, /**< This operation is a control flow operation. */ - irop_flag_ip_cfopcode = 0x00000008, /**< This operation manipulates the interprocedural control flow. */ - irop_flag_fragile = 0x00000010, /**< Set if the operation can change the control flow because - of an exception. */ - irop_flag_forking = 0x00000020, /**< Forking control flow at this operation. */ - irop_flag_highlevel = 0x00000040, /**< This operation is a pure high-level one and can be - skipped in low-level optimizations. */ - irop_flag_constlike = 0x00000080, /**< This operation has no arguments and is some - kind of a constant. */ - irop_flag_always_opt = 0x00000100, /**< This operation must always be optimized .*/ - irop_flag_keep = 0x00000200, /**< This operation can be kept in End's keep-alive list. */ - irop_flag_start_block = 0x00000400, /**< This operation is always placed in the Start block. */ - irop_flag_machine = 0x00000800, /**< This operation is a machine operation. */ - irop_flag_machine_op = 0x00001000, /**< This operation is a machine operand. */ - irop_flag_user = 0x00002000 /**< This flag and all higher ones are free for machine user. */ + irop_flag_none = 0x00000000, /**< Nothing. */ + irop_flag_labeled = 0x00000001, /**< If set, output edge labels on in-edges in vcg graph. */ + irop_flag_commutative = 0x00000002, /**< This operation is commutative. */ + irop_flag_cfopcode = 0x00000004, /**< This operation is a control flow operation. */ + irop_flag_ip_cfopcode = 0x00000008, /**< This operation manipulates the interprocedural control flow. */ + irop_flag_fragile = 0x00000010, /**< Set if the operation can change the control flow because + of an exception. */ + irop_flag_forking = 0x00000020, /**< Forking control flow at this operation. */ + irop_flag_highlevel = 0x00000040, /**< This operation is a pure high-level one and can be + skipped in low-level optimizations. */ + irop_flag_constlike = 0x00000080, /**< This operation has no arguments and is some + kind of a constant. */ + irop_flag_always_opt = 0x00000100, /**< This operation must always be optimized .*/ + irop_flag_keep = 0x00000200, /**< This operation can be kept in End's keep-alive list. */ + irop_flag_start_block = 0x00000400, /**< This operation is always placed in the Start block. */ + irop_flag_uses_memory = 0x00000800, /**< This operation has a memory input and may change the memory state. */ + irop_flag_dump_noblock = 0x00001000, /**< node should be dumped outside any blocks */ + irop_flag_dump_noinput = 0x00002000, /**< node is a placeholder for "no input" */ + irop_flag_machine = 0x00010000, /**< This operation is a machine operation. */ + irop_flag_machine_op = 0x00020000, /**< This operation is a machine operand. */ + irop_flag_user = 0x00040000 /**< This flag and all higher ones are free for machine user. */ } irop_flags; /** The opcodes of the libFirm predefined operations. */ typedef enum { - iro_Block, - iro_Start, iro_End, iro_Jmp, iro_IJmp, iro_Cond, iro_Return, - iro_Const, iro_SymConst, - 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, - iro_Carry, iro_Borrow, - iro_Phi, - 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_Psi, iro_CopyB, - iro_InstOf, iro_Raise, iro_Bound, - iro_Pin, - iro_ASM, - iro_MaxOpcode + iro_Block, + iro_Start, iro_End, iro_Jmp, iro_IJmp, iro_Cond, iro_Return, + iro_Const, iro_SymConst, + iro_Sel, + iro_Call, iro_Add, iro_Sub, iro_Minus, iro_Mul, iro_Mulh, 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_Rotl, iro_Conv, iro_Cast, + iro_Carry, iro_Borrow, + iro_Phi, + 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_Min, iro_Max, iro_CopyB, + iro_InstOf, iro_Raise, iro_Bound, + iro_Pin, + iro_ASM, + iro_Anchor, + /* first not middleend node number */ + iro_Last = iro_Anchor, + /* first backend node number */ + beo_First, + /* backend specific nodes */ + beo_Spill = beo_First, + beo_Reload, + beo_Perm, + beo_MemPerm, + beo_Copy, + beo_Keep, + beo_CopyKeep, + beo_Call, + beo_Return, + beo_AddSP, + beo_SubSP, + beo_IncSP, + beo_RegParams, + beo_FrameAddr, + beo_Barrier, + beo_Unwind, + /* last backend node number */ + beo_Last = beo_Unwind, + /* first unfixed number. Dynamic node numbers start here */ + iro_MaxOpcode } ir_opcode; extern ir_op *op_Block; ir_op *get_op_Block (void); @@ -114,6 +142,7 @@ extern ir_op *op_Add; ir_op *get_op_Add (void); extern ir_op *op_Sub; ir_op *get_op_Sub (void); extern ir_op *op_Minus; ir_op *get_op_Minus (void); extern ir_op *op_Mul; ir_op *get_op_Mul (void); +extern ir_op *op_Mulh; ir_op *get_op_Mulh (void); extern ir_op *op_Quot; ir_op *get_op_Quot (void); extern ir_op *op_DivMod; ir_op *get_op_DivMod (void); extern ir_op *op_Div; ir_op *get_op_Div (void); @@ -127,7 +156,7 @@ extern ir_op *op_Cmp; ir_op *get_op_Cmp (void); extern ir_op *op_Shl; ir_op *get_op_Shl (void); extern ir_op *op_Shr; ir_op *get_op_Shr (void); extern ir_op *op_Shrs; ir_op *get_op_Shrs (void); -extern ir_op *op_Rot; ir_op *get_op_Rot (void); +extern ir_op *op_Rotl; ir_op *get_op_Rotl (void); extern ir_op *op_Conv; ir_op *get_op_Conv (void); extern ir_op *op_Cast; ir_op *get_op_Cast (void); extern ir_op *op_Carry; ir_op *get_op_Carry (void); @@ -157,7 +186,8 @@ 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_Psi; ir_op *get_op_Psi (void); +extern ir_op *op_Min; ir_op *get_op_Min (void); +extern ir_op *op_Max; ir_op *get_op_Max (void); extern ir_op *op_CopyB; ir_op *get_op_CopyB (void); extern ir_op *op_InstOf; ir_op *get_op_InstOf (void); @@ -168,6 +198,8 @@ extern ir_op *op_Pin; ir_op *get_op_Pin (void); extern ir_op *op_ASM; ir_op *get_op_ASM (void); +extern ir_op *op_Anchor; ir_op *get_op_Anchor (void); + /** Returns the ident for the opcode name */ ident *get_op_ident(const ir_op *op); @@ -175,35 +207,36 @@ ident *get_op_ident(const ir_op *op); const char *get_op_name(const ir_op *op); /** Returns the enum for the opcode */ -ir_opcode get_op_code(const ir_op *op); +unsigned get_op_code(const ir_op *op); -/** op_pin_state_pinned states */ +/** op_pin_state_pinned states. */ typedef enum { - op_pin_state_floats = 0, /**< Nodes of this opcode can be placed in any basic block. */ - op_pin_state_pinned = 1, /**< Nodes must remain in this basic block. */ - op_pin_state_exc_pinned, /**< Node must be remain in this basic block if it can throw an - exception, else can float. Used internally. */ - op_pin_state_mem_pinned /**< Node must be remain in this basic block if it can throw an - exception or uses memory, else can float. Used internally. */ + op_pin_state_floats = 0, /**< Nodes of this opcode can be placed in any basic block. */ + op_pin_state_pinned = 1, /**< Nodes must remain in this basic block. */ + op_pin_state_exc_pinned, /**< Node must be remain in this basic block if it can throw an + exception, else can float. Used internally. */ + op_pin_state_mem_pinned /**< Node must be remain in this basic block if it can throw an + exception or uses memory, else can float. Used internally. */ } op_pin_state; +/** Returns a human readable name of an op_pin_state. */ const char *get_op_pin_state_name(op_pin_state s); -/** gets pinned state of an opcode */ +/** Gets pinned state of an opcode. */ op_pin_state get_op_pinned(const ir_op *op); /** Sets pinned in the opcode. Setting it to floating has no effect - for Block, Phi and control flow nodes. */ + for Block, Phi and control flow nodes. */ void set_op_pinned(ir_op *op, op_pin_state pinned); -/** Returns the next free IR opcode number, allows to register user ops */ +/** 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 */ +/** 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. + * A generic function pointer type. */ typedef void (*op_func)(void); @@ -211,21 +244,32 @@ typedef void (*op_func)(void); #define NULL_FUNC ((generic_func)(NULL)) /** - * Returns the generic function pointer from an ir operation. + * 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. + * Store a generic function pointer into an IR operation. */ void set_generic_function_ptr(ir_op *op, op_func func); +/** + * Return the irop flags of an IR opcode. + */ +irop_flags get_op_flags(const ir_op *op); + +/** + * The hash operation. + * This operation calculates a hash value for a given IR node. + */ +typedef unsigned (*hash_func)(const ir_node *self); + /** * 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); +typedef tarval *(*computed_value_func)(const ir_node *self); /** * The equivalent node operation. @@ -265,7 +309,7 @@ typedef int (*reassociate_func)(ir_node **n); /** * The copy attribute operation. - * Copy the node attributes from a 'old' node to a 'new' one. + * Copy the node attributes from an 'old' node to a 'new' one. */ typedef void (*copy_attr_func)(const ir_node *old_node, ir_node *new_node); @@ -311,10 +355,10 @@ 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_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; /** @@ -328,40 +372,45 @@ 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 */ + hash_func hash; /**< Calculate a hash value for an IR node. */ + computed_value_func computed_value; /**< Evaluates a node into a tarval if possible. */ + computed_value_func computed_value_Proj; /**< Evaluates a Proj node into a tarval if possible. */ + equivalent_node_func equivalent_node; /**< Optimizes the node by returning an equivalent one. */ + equivalent_node_func equivalent_node_Proj; /**< Optimizes the Proj node by returning an equivalent one. */ + transform_node_func transform_node; /**< Optimizes the node by transforming it. */ + equivalent_node_func transform_node_Proj; /**< Optimizes the Proj 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 pointer. */ + const arch_irn_ops_t *be_ops; /**< callbacks used by the backend. */ } ir_op_ops; /** - * Creates a new ir operation. + * Creates a new IR operation. * * @param code the opcode, one of type \c opcode * @param name the printable name of this opcode * @param p whether 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 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 ops operations for this opcode, iff NULL default operations are used - * @param attr_size attribute size for this ir operation + * @param attr_size attribute size for this IR operation * - * @return The generated 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(ir_opcode code, const char *name, op_pin_state p, +ir_op *new_ir_op(unsigned code, const char *name, op_pin_state p, unsigned flags, op_arity opar, int op_index, size_t attr_size, const ir_op_ops *ops);