X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firop.h;h=5e7b4a81da4d759b930c1dbacff56383b5256faf;hb=f9d25133f86594ca2b1f33fb0b41a591ecc9b914;hp=51923a98d492282ab4f6bb7b808acce3360ea969;hpb=6474dc8e951a231d0bb6c3face8fd75449807bf1;p=libfirm diff --git a/ir/ir/irop.h b/ir/ir/irop.h index 51923a98d..5e7b4a81d 100644 --- a/ir/ir/irop.h +++ b/ir/ir/irop.h @@ -11,26 +11,58 @@ */ /** -* @file irop.h -* -* Operators of firm nodes. -* -* @author Christian Schaefer -* -* This module specifies the opcodes possible for ir nodes. Their -* definition is close to the operations specified in UKA Tech-Report -* 1999-14 -*/ + * @file irop.h + * + * Operators of firm nodes. + * + * @author Christian Schaefer + * + * This module specifies the opcodes possible for ir nodes. Their + * definition is close to the operations specified in UKA Tech-Report + * 1999-14 + */ # ifndef _IROP_H_ # define _IROP_H_ # include "ident.h" -/** the opcodes */ +/** 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_none = 0x00000000, /**< nothing */ + 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_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_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_Raise, iro_Const, iro_SymConst, iro_Sel, iro_InstOf, iro_Call, iro_Add, iro_Sub, iro_Minus, iro_Mul, iro_Quot, iro_DivMod, @@ -39,7 +71,9 @@ typedef enum { 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_Unknown, iro_Filter, iro_Break, iro_CallBegin, iro_EndReg, iro_EndExcept, + iro_NoMem, iro_Mux, iro_CopyB, + iro_MaxOpcode } opcode; typedef struct ir_op ir_op; @@ -49,6 +83,7 @@ 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); @@ -102,37 +137,74 @@ extern ir_op *op_CallBegin; ir_op *get_op_CallBegin (void); extern ir_op *op_EndReg; ir_op *get_op_EndReg (void); 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); /** Returns the ident for the opcode name */ -ident *get_op_ident (ir_op *op); +ident *get_op_ident(const ir_op *op); + /** Returns the string for the opcode. */ -const char *get_op_name (ir_op *op); +const char *get_op_name(const ir_op *op); /** Returns the enum for the opcode */ -opcode get_op_code (ir_op *op); +opcode get_op_code(const ir_op *op); -/** pinned states */ +/** op_pin_state_pinned states */ typedef enum { - floats = 0, /**< Nodes of this opcode can be placed in any basic block. */ - pinned /**< Nodes must remain in this basic block. */ -} op_pinned; + op_pin_state_floats = 0, /**< Nodes of this opcode can be placed in any basic block. */ + op_pin_state_pinned, /**< 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; -/** gets pinned state of an opcoe */ -op_pinned get_op_pinned (ir_op *op); +const char *get_op_pin_state_name(op_pin_state s); + +/** 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. */ -void set_op_pinned(ir_op *op, op_pinned pinned); +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); + +/** + * 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 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 generated 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); + +/** + * A generic function pointer. + */ +typedef void (*op_func)(void); -/** Returns true if op is one of Start, End, Jmp, Cond, Return, Raise or Bad. */ -int is_cfopcode(ir_op *op); +/** The NULL-function. */ +#define NULL_FUNC ((generic_func)(NULL)) -/** Returns true if the operation manipulates interprocedural control flow: - CallBegin, EndReg, EndExcept */ -int is_ip_cfopcode(ir_op *op); +/** + * Returns the generic function pointer from an ir operation. + */ +op_func get_generic_function_ptr(const ir_op *op); -/** Returns the attribute size of nodes of this opcode. - @note Use not encouraged, internal feature. */ -int get_op_attr_size (ir_op *op); +/** + * Store a generic function pointer into an ir operation. + */ +void set_generic_function_ptr(ir_op *op, op_func func); # endif /* _IROP_H_ */