#ifndef GCC_FUNCTION_H
#define GCC_FUNCTION_H
+#include "tree.h"
+#include "hashtab.h"
+
struct var_refs_queue GTY(())
{
rtx modified;
struct sequence_stack *next;
};
-extern struct sequence_stack *sequence_stack;
-
/* Stack of single obstacks. */
struct simple_obstack_stack
#define forced_labels (cfun->expr->x_forced_labels)
#define stack_pointer_delta (cfun->expr->x_stack_pointer_delta)
+struct gimple_df;
+struct temp_slot;
+typedef struct temp_slot *temp_slot_p;
+
+DEF_VEC_P(temp_slot_p);
+DEF_VEC_ALLOC_P(temp_slot_p,gc);
+
+enum function_frequency {
+ /* This function most likely won't be executed at all.
+ (set only when profile feedback is available or via function attribute). */
+ FUNCTION_FREQUENCY_UNLIKELY_EXECUTED,
+ /* The default value. */
+ FUNCTION_FREQUENCY_NORMAL,
+ /* Optimize this function hard
+ (set only when profile feedback is available or via function attribute). */
+ FUNCTION_FREQUENCY_HOT
+};
+
/* This structure can save all the important global and static variables
describing the status of the current function. */
struct function GTY(())
{
struct eh_status *eh;
- struct eh_status *saved_eh;
struct expr_status *expr;
struct emit_status *emit;
struct varasm_status *varasm;
/* The control flow graph for this function. */
struct control_flow_graph *cfg;
- struct control_flow_graph *saved_cfg;
- bool after_inlining;
+ /* SSA and dataflow information. */
+ struct gimple_df *gimple_df;
- /* For tree-optimize.c. */
+ /* The loops in this function. */
+ struct loops * GTY((skip)) x_current_loops;
- /* Saved tree and arguments during tree optimization. Used later for
- inlining */
- tree saved_args;
- tree saved_static_chain_decl;
- tree saved_blocks;
- tree saved_unexpanded_var_list;
+ /* Value histograms attached to particular statements. */
+ htab_t GTY((skip)) value_histograms;
/* For function.c. */
rtx x_stack_slot_list;
/* Place after which to insert the tail_recursion_label if we need one. */
- rtx x_tail_recursion_reentry;
+ rtx x_stack_check_probe_note;
/* Location at which to save the argument pointer if it will need to be
referenced. There are two cases where this is done: if nonlocal gotos
rtx x_parm_birth_insn;
/* List of all used temporaries allocated, by level. */
- struct varray_head_tag * GTY((param_is (struct temp_slot))) x_used_temp_slots;
+ VEC(temp_slot_p,gc) *x_used_temp_slots;
/* List of available temp slots. */
struct temp_slot *x_avail_temp_slots;
- /* Current nesting level for temporaries. */
- int x_temp_slot_level;
-
/* This slot is initialized as 0 and is added to
during the nested function. */
struct var_refs_queue *fixup_var_refs_queue;
- /* For integrate.c. */
- int inlinable;
- int no_debugging_symbols;
- rtvec original_arg_vector;
- tree original_decl_initial;
+ /* Current nesting level for temporaries. */
+ int x_temp_slot_level;
/* Highest label number in current function. */
int inl_max_label_num;
/* tm.h can use this to store whatever it likes. */
struct machine_function * GTY ((maybe_undef)) machine;
+
/* The largest alignment of slot allocated on the stack. */
unsigned int stack_alignment_needed;
+
/* Preferred alignment of the end of stack frame. */
unsigned int preferred_stack_boundary;
- /* Set when the call to function itself has been emit. */
- bool recursive_call_emit;
- /* Set when the tail call has been produced. */
- bool tail_call_emit;
/* Language-specific code can use this to store whatever it likes. */
struct language_function * language;
+ /* Used types hash table. */
+ htab_t GTY ((param_is (union tree_node))) used_types_hash;
+
/* For reorg. */
/* If some insns can be deferred to the delay slots of the epilogue, the
delay list for them is recorded here. */
rtx epilogue_delay_list;
- /* How commonly executed the function is. Initialized during branch
- probabilities pass. */
- enum function_frequency {
- /* This function most likely won't be executed at all.
- (set only when profile feedback is available). */
- FUNCTION_FREQUENCY_UNLIKELY_EXECUTED,
- /* The default value. */
- FUNCTION_FREQUENCY_NORMAL,
- /* Optimize this function hard
- (set only when profile feedback is available). */
- FUNCTION_FREQUENCY_HOT
- } function_frequency;
-
/* Maximal number of entities in the single jumptable. Used to estimate
final flowgraph size. */
int max_jumptable_ents;
/* Line number of the end of the function. */
location_t function_end_locus;
- /* Array mapping insn uids to blocks. */
- struct varray_head_tag *ib_boundaries_block;
-
/* The variables unexpanded so far. */
tree unexpanded_var_list;
Used for detecting stack clobbers. */
tree stack_protect_guard;
+ /* Properties used by the pass manager. */
+ unsigned int curr_properties;
+ unsigned int last_verified;
+
/* Collected bit flags. */
/* Nonzero if function being compiled needs to be given an address
either as a subroutine or builtin. */
unsigned int calls_alloca : 1;
+ /* Nonzero if function being compiled called builtin_return_addr or
+ builtin_frame_address with nonzero count. */
+ unsigned int accesses_prior_frames : 1;
+
/* Nonzero if the function calls __builtin_eh_return. */
unsigned int calls_eh_return : 1;
/* Nonzero if code to initialize arg_pointer_save_area has been emitted. */
unsigned int arg_pointer_save_area_init : 1;
+ unsigned int after_inlining : 1;
+
+ /* Set when the call to function itself has been emit. */
+ unsigned int recursive_call_emit : 1;
+
+ /* Set when the tail call has been produced. */
+ unsigned int tail_call_emit : 1;
+
+ /* How commonly executed the function is. Initialized during branch
+ probabilities pass. */
+ ENUM_BITFIELD (function_frequency) function_frequency : 2;
+
/* Number of units of general registers that need saving in stdarg
function. What unit is depends on the backend, either it is number
of bytes, or it can be number of registers. */
/* Number of units of floating point registers that need saving in stdarg
function. */
unsigned int va_list_fpr_size : 8;
+
+ /* FIXME tuples: This bit is temporarily here to mark when a
+ function has been gimplified, so we can make sure we're not
+ creating non GIMPLE tuples after gimplification. */
+ unsigned gimplified : 1;
};
/* If va_list_[gf]pr_size is set to this, it means we don't know how
#define current_function_returns_pointer (cfun->returns_pointer)
#define current_function_calls_setjmp (cfun->calls_setjmp)
#define current_function_calls_alloca (cfun->calls_alloca)
+#define current_function_accesses_prior_frames (cfun->accesses_prior_frames)
#define current_function_calls_eh_return (cfun->calls_eh_return)
#define current_function_is_thunk (cfun->is_thunk)
#define current_function_args_info (cfun->args_info)
#define stack_slot_list (cfun->x_stack_slot_list)
#define parm_birth_insn (cfun->x_parm_birth_insn)
#define frame_offset (cfun->x_frame_offset)
-#define tail_recursion_reentry (cfun->x_tail_recursion_reentry)
+#define stack_check_probe_note (cfun->x_stack_check_probe_note)
#define arg_pointer_save_area (cfun->x_arg_pointer_save_area)
#define used_temp_slots (cfun->x_used_temp_slots)
#define avail_temp_slots (cfun->x_avail_temp_slots)
#define temp_slot_level (cfun->x_temp_slot_level)
#define nonlocal_goto_handler_labels (cfun->x_nonlocal_goto_handler_labels)
+#define current_loops (cfun->x_current_loops)
+#define VALUE_HISTOGRAMS(fun) (fun)->value_histograms
/* Given a function decl for a containing function,
return the `struct function' for it. */
extern void clear_block_marks (tree);
extern tree blocks_nreverse (tree);
-extern void reset_block_changes (void);
-extern void record_block_change (tree);
-extern void finalize_block_changes (void);
-extern void check_block_change (rtx, tree *);
-extern void free_block_changes (void);
/* Return size needed for stack frame based on slots so far allocated.
This size counts from zero. It is not rounded to STACK_BOUNDARY;
the caller may have to do that. */
extern HOST_WIDE_INT get_frame_size (void);
+/* Issue an error message and return TRUE if frame OFFSET overflows in
+ the signed target pointer arithmetics for function FUNC. Otherwise
+ return FALSE. */
+extern bool frame_offset_overflow (HOST_WIDE_INT, tree);
+
/* A pointer to a function to create target specific, per-function
data structures. */
extern struct machine_function * (*init_machine_status) (void);
#ifdef RTX_CODE
extern void diddle_return_value (void (*)(rtx, void*), void*);
extern void clobber_return_register (void);
-extern void use_return_register (void);
#endif
extern rtx get_arg_pointer_save_area (struct function *);
-extern void init_virtual_regs (struct emit_status *);
-extern void instantiate_virtual_regs (void);
-
/* Returns the name of the current function. */
extern const char *current_function_name (void);
extern bool reference_callee_copied (CUMULATIVE_ARGS *, enum machine_mode,
tree, bool);
+extern void used_types_insert (tree);
+
+extern int get_next_funcdef_no (void);
#endif /* GCC_FUNCTION_H */
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