/** The type of an ir_op. */
struct ir_op {
- unsigned 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_pin_state pin_state; /**< How to deal with the node in CSE, PRE. */
- op_arity opar; /**< The 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 bitmasks of irop_flags. */
- unsigned tag; /**< Some custom TAG value the op's creator set to. */
- void *attr; /**< custom pointer where op's creator can attach attribute stuff to. */
-
- ir_op_ops ops; /**< The operations of the this op. */
+ unsigned 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_pin_state pin_state; /**< How to deal with the node in CSE, PRE. */
+ op_arity opar; /**< The arity of operator. */
+ int op_index; /**< The index of the first data operand, 0 for
+ most cases, 1 for Div etc. */
+ int fragile_mem_index; /**< index of memory input for fragile nodes */
+ int pn_x_regular; /**< for fragile ops the position of the
+ X_regular output */
+ int pn_x_except; /**< for fragile ops the position of the
+ X_except output */
+ unsigned flags; /**< Flags describing the behavior of the ir_op,
+ a bitmasks of irop_flags. */
+ unsigned tag; /**< Some custom TAG value the op's creator set */
+ void *attr; /**< custom pointer where op's creator can attach
+ attribute stuff to. */
+ ir_op_ops ops; /**< The operations of the this op. */
};
/**
ir_visited_t block_visited; /**< For the walker that walks over all blocks. */
/* Attributes private to construction: */
unsigned is_matured:1; /**< If set, all in-nodes of the block are fixed. */
- unsigned is_dead:1; /**< If set, the block is dead (and could be replace by a Bad. */
unsigned marked:1; /**< Can be set/unset to temporary mark a block. */
ir_node **graph_arr; /**< An array to store all parameters. */
/* Attributes holding analyses information */
/** Exception attributes. */
typedef struct except_attr {
- op_pin_state pin_state; /**< the pin state for operations that might generate a exception:
- If it's know that no exception will be generated, could be set to
- op_pin_state_floats. */
+ unsigned pin_state : 2; /**< the pin state for operations with
+ variable pinned state. Contains a
+ op_pin_state */
+ unsigned throws_exception : 1; /**< if true a fragile op throws and
+ must produce X_except and X_regular
+ values */
} except_attr;
/** Call attributes. */
anchor_start, /**< start node of this ir_graph */
anchor_initial_exec, /**< methods initial control flow */
anchor_frame, /**< methods frame */
- anchor_tls, /**< pointer to the thread local storage containing all
- thread local data. */
anchor_initial_mem, /**< initial memory of this graph */
anchor_args, /**< methods arguments */
- anchor_bad, /**< bad node of this ir_graph, the one and
- only in this graph */
anchor_no_mem, /**< NoMem node of this ir_graph, the one and only in this graph */
anchor_last
};
irg_edges_info_t edge_info; /**< edge info for automatic outs */
ir_node **idx_irn_map; /**< Array mapping node indexes to nodes. */
- int index; /**< a unique number for each graph */
+ size_t index; /**< a unique number for each graph */
ir_phase *phases[PHASE_LAST+1]; /**< Phase information. */
void *be_data; /**< backend can put in private data here */
ir_exc_region_t last_region_nr; /**< The last exception region number that was assigned. */
ir_label_t last_label_nr; /**< The highest label number for generating unique labels. */
- int max_irg_idx; /**< highest unused irg index */
+ size_t max_irg_idx; /**< highest unused irg index */
long max_node_nr; /**< to generate unique numbers for nodes. */
unsigned dump_nr; /**< number of program info dumps */
#ifndef NDEBUG