#include "tree.h"
#include "hashtab.h"
+#include "varray.h"
/* Stack of pending (incomplete) sequences saved by `start_sequence'.
Each element describes one pending sequence.
rtx x_forced_labels;
};
+typedef struct call_site_record *call_site_record;
+DEF_VEC_P(call_site_record);
+DEF_VEC_ALLOC_P(call_site_record, gc);
+
+/* RTL representation of exception handling. */
+struct rtl_eh GTY(())
+{
+ rtx filter;
+ rtx exc_ptr;
+
+ int built_landing_pads;
+
+ rtx ehr_stackadj;
+ rtx ehr_handler;
+ rtx ehr_label;
+
+ rtx sjlj_fc;
+ rtx sjlj_exit_after;
+
+ htab_t GTY ((param_is (struct ehl_map_entry))) exception_handler_label_map;
+
+ VEC(tree,gc) *ttype_data;
+ varray_type ehspec_data;
+ varray_type action_record_data;
+
+ VEC(call_site_record,gc) *call_site_record;
+};
+
#define pending_stack_adjust (crtl->expr.x_pending_stack_adjust)
#define inhibit_defer_pop (crtl->expr.x_inhibit_defer_pop)
#define saveregs_value (crtl->expr.x_saveregs_value)
struct gimple_df;
struct temp_slot;
typedef struct temp_slot *temp_slot_p;
+struct call_site_record;
DEF_VEC_P(temp_slot_p);
DEF_VEC_ALLOC_P(temp_slot_p,gc);
+struct ipa_opt_pass;
+typedef struct ipa_opt_pass *ipa_opt_pass;
+
+DEF_VEC_P(ipa_opt_pass);
+DEF_VEC_ALLOC_P(ipa_opt_pass,heap);
enum function_frequency {
/* This function most likely won't be executed at all.
struct varasm_status varasm;
struct incoming_args args;
struct function_subsections subsections;
+ struct rtl_eh eh;
/* For function.c */
has_hard_reg_initial_val (see integrate.[hc]). */
struct initial_value_struct *hard_reg_initial_vals;
+ /* A variable living at the top of the frame that holds a known value.
+ Used for detecting stack clobbers. */
+ tree stack_protect_guard;
+
/* List (chain of EXPR_LIST) of labels heading the current handlers for
nonlocal gotos. */
rtx x_nonlocal_goto_handler_labels;
rtx x_naked_return_label;
/* List (chain of EXPR_LISTs) of all stack slots in this function.
- Made for the sake of unshare_all_crtl-> */
+ Made for the sake of unshare_all_rtl. */
rtx x_stack_slot_list;
/* Place after which to insert the tail_recursion_label if we need one. */
/* Current nesting level for temporaries. */
int x_temp_slot_level;
+ /* 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;
+
+ /* 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;
+
+ /* Nonzero if function being compiled called builtin_return_addr or
+ builtin_frame_address with nonzero count. */
+ bool accesses_prior_frames;
+
+ /* Nonzero if the function calls __builtin_eh_return. */
+ bool calls_eh_return;
+
+ /* Nonzero if function saves all registers, e.g. if it has a nonlocal
+ label that can reach the exit block via non-exceptional paths. */
+ bool saves_all_registers;
+
+ /* Nonzero if function being compiled has nonlocal gotos to parent
+ function. */
+ bool has_nonlocal_goto;
+
+ /* Nonzero if function being compiled has an asm statement. */
+ bool has_asm_statement;
+
+ /* Nonzero if the current function is a thunk, i.e., a lightweight
+ function implemented by the output_mi_thunk hook) that just
+ adjusts one of its arguments and forwards to another
+ function. */
+ bool is_thunk;
+
+ /* This bit is used by the exception handling logic. It is set if all
+ calls (if any) are sibling calls. Such functions do not have to
+ have EH tables generated, as they cannot throw. A call to such a
+ function, however, should be treated as throwing if any of its callees
+ can throw. */
+ bool all_throwers_are_sibcalls;
+
+ /* Nonzero if stack limit checking should be enabled in the current
+ function. */
+ bool limit_stack;
+
+ /* Nonzero if profiling code should be generated. */
+ bool profile;
+
+ /* Nonzero if the current function uses the constant pool. */
+ bool uses_const_pool;
+
+ /* Nonzero if the current function uses pic_offset_table_rtx. */
+ bool uses_pic_offset_table;
+
+ /* Nonzero if the current function needs an lsda for exception handling. */
+ bool uses_eh_lsda;
+
+ /* Set when the tail call has been produced. */
+ bool tail_call_emit;
+
+ /* Nonzero if code to initialize arg_pointer_save_area has been emitted. */
+ bool arg_pointer_save_area_init;
+
+ /* Nonzero means current function must be given a frame pointer.
+ Set in stmt.c if anything is allocated on the stack there.
+ Set in reload1.c if anything is allocated on the stack there. */
+ bool frame_pointer_needed;
};
#define return_label (crtl->x_return_label)
#define avail_temp_slots (crtl->x_avail_temp_slots)
#define temp_slot_level (crtl->x_temp_slot_level)
#define nonlocal_goto_handler_labels (crtl->x_nonlocal_goto_handler_labels)
+#define frame_pointer_needed (crtl->frame_pointer_needed)
extern GTY(()) struct rtl_data x_rtl;
-/* Accestor to RTL datastructures. We keep them statically allocated now since
+/* Accessor to RTL datastructures. We keep them statically allocated now since
we never keep multiple functions. For threaded compiler we might however
- want to do differntly. */
+ want to do differently. */
#define crtl (&x_rtl)
/* This structure can save all the important global and static variables
/* Function sequence number for profiling, debugging, etc. */
int funcdef_no;
+ /* List of function local variables, functions, types and constants. */
+ tree local_decls;
+
/* For md files. */
/* 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;
-
/* 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;
-
- /* Maximal number of entities in the single jumptable. Used to estimate
- final flowgraph size. */
- int max_jumptable_ents;
-
- /* UIDs for LABEL_DECLs. */
- int last_label_uid;
+ /* Last statement uid. */
+ int last_stmt_uid;
/* Line number of the end of the function. */
location_t function_end_locus;
- /* The variables unexpanded so far. */
- tree unexpanded_var_list;
-
- /* A variable living at the top of the frame that holds a known value.
- Used for detecting stack clobbers. */
- tree stack_protect_guard;
-
/* Properties used by the pass manager. */
unsigned int curr_properties;
unsigned int last_verified;
+ /* Interprocedural passes scheduled to have their transform functions
+ applied next time we execute local pass on them. We maintain it
+ per-function in order to allow IPA passes to introduce new functions. */
+ VEC(ipa_opt_pass,heap) * GTY((skip)) ipa_transforms_to_apply;
/* Collected bit flags. */
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 function being compiled receives nonlocal gotos
from nested functions. */
unsigned int has_nonlocal_label : 1;
- /* Nonzero if function saves all registers, e.g. if it has a nonlocal
- label that can reach the exit block via non-exceptional paths. */
- unsigned int saves_all_registers : 1;
-
- /* Nonzero if function being compiled has nonlocal gotos to parent
- function. */
- unsigned int has_nonlocal_goto : 1;
-
- /* Nonzero if function being compiled has an asm statement. */
- unsigned int has_asm_statement : 1;
-
- /* Nonzero if the current function is a thunk, i.e., a lightweight
- function implemented by the output_mi_thunk hook) that just
- adjusts one of its arguments and forwards to another
- function. */
- unsigned int is_thunk : 1;
-
- /* This bit is used by the exception handling logic. It is set if all
- calls (if any) are sibling calls. Such functions do not have to
- have EH tables generated, as they cannot throw. A call to such a
- function, however, should be treated as throwing if any of its callees
- can throw. */
- unsigned int all_throwers_are_sibcalls : 1;
-
- /* Nonzero if profiling code should be generated. */
- unsigned int profile : 1;
-
- /* Nonzero if stack limit checking should be enabled in the current
- function. */
- unsigned int limit_stack : 1;
-
-
/* Nonzero if current function uses stdarg.h or equivalent. */
unsigned int stdarg : 1;
variable-sized type, then the size of the parameter is computed
when the function body is entered. However, some front-ends do
not desire this behavior. */
- unsigned int x_dont_save_pending_sizes_p : 1;
-
- /* Nonzero if the current function uses the constant pool. */
- unsigned int uses_const_pool : 1;
-
- /* Nonzero if the current function uses pic_offset_table_rtx. */
- unsigned int uses_pic_offset_table : 1;
-
- /* Nonzero if the current function needs an lsda for exception handling. */
- unsigned int uses_eh_lsda : 1;
-
- /* Nonzero if code to initialize arg_pointer_save_area has been emitted. */
- unsigned int arg_pointer_save_area_init : 1;
+ unsigned int dont_save_pending_sizes_p : 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;
-
- /* 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 int gimplified : 1;
-
/* Fields below this point are not set for abstract functions; see
allocate_struct_function. */
extern void instantiate_decl_rtl (rtx x);
/* For backward compatibility... eventually these should all go away. */
-#define current_function_returns_struct (cfun->returns_struct)
-#define current_function_returns_pcc_struct (cfun->returns_pcc_struct)
-#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_stdarg (cfun->stdarg)
-#define current_function_profile (cfun->profile)
#define current_function_funcdef_no (cfun->funcdef_no)
-#define current_function_limit_stack (cfun->limit_stack)
-#define current_function_uses_pic_offset_table (cfun->uses_pic_offset_table)
-#define current_function_uses_const_pool (cfun->uses_const_pool)
-#define current_function_epilogue_delay_list (cfun->epilogue_delay_list)
-#define current_function_has_nonlocal_label (cfun->has_nonlocal_label)
-#define current_function_saves_all_registers (cfun->saves_all_registers)
-#define current_function_has_nonlocal_goto (cfun->has_nonlocal_goto)
-#define current_function_has_asm_statement (cfun->has_asm_statement)
#define current_loops (cfun->x_current_loops)
#define dom_computed (cfun->cfg->x_dom_computed)
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