/*
- * 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.
*
#include <stdio.h>
#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_machine = 0x00001000, /**< This operation is a machine operation. */
+ irop_flag_machine_op = 0x00002000, /**< This operation is a machine operand. */
+ irop_flag_user = 0x00004000 /**< 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_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_Anchor,
+ iro_MaxOpcode
} ir_opcode;
extern ir_op *op_Block; ir_op *get_op_Block (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);
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);
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);
#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);
/**
* 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);
* 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;
/**
* 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 */
+ 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 pointer. */
} 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);