osprey/kgccfe/gnu/function.c File Reference

#include "config.h"
#include "system.h"
#include "rtl.h"
#include "tree.h"
#include "flags.h"
#include "except.h"
#include "function.h"
#include "expr.h"
#include "libfuncs.h"
#include "regs.h"
#include "hard-reg-set.h"
#include "insn-config.h"
#include "recog.h"
#include "output.h"
#include "basic-block.h"
#include "toplev.h"
#include "hashtab.h"
#include "ggc.h"
#include "tm_p.h"
#include "integrate.h"
#include "langhooks.h"
#include "gt-function.h"

Include dependency graph for function.c:

Go to the source code of this file.

Data Types

type  insns_for_mem_entry
type  insns_for_mem_walk_info

Defines

#define TRAMPOLINE_ALIGNMENT   FUNCTION_BOUNDARY
#define LOCAL_ALIGNMENT(TYPE, ALIGNMENT)   ALIGNMENT
#define NAME__MAIN   "__main"
#define FLOOR_ROUND(VALUE, ALIGN)   ((VALUE) & ~((ALIGN) - 1))
#define CEIL_ROUND(VALUE, ALIGN)   (((VALUE) + (ALIGN) - 1) & ~((ALIGN)- 1))
#define STACK_POINTER_OFFSET   0
#define STACK_DYNAMIC_OFFSET(FNDECL)
#define ARG_POINTER_CFA_OFFSET(FNDECL)   FIRST_PARM_OFFSET (FNDECL)
#define STACK_BYTES   (STACK_BOUNDARY / BITS_PER_UNIT)
#define TRAMPOLINE_REAL_SIZE   (TRAMPOLINE_SIZE + (TRAMPOLINE_ALIGNMENT / BITS_PER_UNIT) - 1)

Functions/Subroutines

struct machine_function
*init_machine_status 		PARAMS ((void))
static GTY (())
static rtx assign_stack_local_1 PARAMS ((enum machine_mode, HOST_WIDE_INT, int, struct function *))
static struct temp_slot
*find_temp_slot_from_address 		PARAMS ((rtx))
static void put_reg_into_stack PARAMS ((struct function *, rtx, tree, enum machine_mode, enum machine_mode, int, unsigned int, int, htab_t))
static void schedule_fixup_var_refs PARAMS ((struct function *, rtx, tree, enum machine_mode, htab_t))
static void fixup_var_refs PARAMS ((rtx, enum machine_mode, int, rtx, htab_t))
static struct
fixup_replacement
*find_fixup_replacement 		PARAMS ((struct fixup_replacement **, rtx))
static void fixup_var_refs_insns PARAMS ((rtx, rtx, enum machine_mode, int, int, rtx))
static void
fixup_var_refs_insns_with_hash 		PARAMS ((htab_t, rtx, enum machine_mode, int, rtx))
static void fixup_var_refs_1 PARAMS ((rtx, enum machine_mode, rtx *, rtx, struct fixup_replacement **, rtx))
static rtx fixup_memory_subreg PARAMS ((rtx, rtx, enum machine_mode, int))
static rtx fixup_stack_1 PARAMS ((rtx, rtx))
static void optimize_bit_field PARAMS ((rtx, rtx, rtx *))
static void instantiate_decls PARAMS ((tree, int))
static void instantiate_decl PARAMS ((rtx, HOST_WIDE_INT, int))
static rtx instantiate_new_reg PARAMS ((rtx, HOST_WIDE_INT *))
static int
instantiate_virtual_regs_1 		PARAMS ((rtx *, rtx, int))
static void pad_to_arg_alignment PARAMS ((struct args_size *, int, struct args_size *))
static void pad_below PARAMS ((struct args_size *, enum machine_mode, tree))
static tree *identify_blocks_1 PARAMS ((rtx, tree *, tree *, tree *))
static void reorder_blocks_0 PARAMS ((tree))
static void reorder_blocks_1 PARAMS ((rtx, tree, varray_type *))
static int all_blocks PARAMS ((tree, tree *))
static tree *get_block_vector PARAMS ((tree, int *))
tree debug_find_var_in_block_tree PARAMS ((tree, tree))
static void record_insns PARAMS ((rtx, varray_type *))
void push_function_context_to (tree context)
void push_function_context ()
void pop_function_context_from (context)
void pop_function_context ()
void free_after_parsing (struct function *f)
void free_after_compilation (struct function *f)
HOST_WIDE_INT get_func_frame_size (struct function *f)
HOST_WIDE_INT get_frame_size ()
static rtx assign_stack_local_1 (enum machine_mode mode, HOST_WIDE_INT size, int align, struct function *function)
rtx assign_stack_local (enum machine_mode mode, HOST_WIDE_INT size, int align)
rtx assign_stack_temp_for_type (enum machine_mode mode, HOST_WIDE_INT size, int keep, tree type)
rtx assign_stack_temp (enum machine_mode mode, HOST_WIDE_INT size, int keep)
rtx assign_temp (tree type_or_decl, int keep, int memory_required, dont_promote)
void combine_temp_slots ()
static struct temp_slot * find_temp_slot_from_address (rtx x)
void update_temp_slot_address (rtx old, rtx new)
void mark_temp_addr_taken (rtx x)
void preserve_temp_slots (rtx x)
void preserve_rtl_expr_result (rtx x)
void free_temp_slots ()
void free_temps_for_rtl_expr (tree t)
void mark_all_temps_used ()
void push_temp_slots ()
void pop_temp_slots ()
void init_temp_slots ()
void put_var_into_stack (tree decl, int rescan)
static void put_reg_into_stack (struct function *function, rtx reg, tree type, enum machine_mode promoted_mode, enum machine_mode decl_mode, int volatile_p, unsigned int original_regno, int used_p, htab_t ht)
static void schedule_fixup_var_refs (struct function *function, rtx reg, tree type, enum machine_mode promoted_mode, htab_t ht)
static void fixup_var_refs (rtx var, enum machine_mode promoted_mode, int unsignedp, rtx may_share, htab_t ht)
static struct fixup_replacement * find_fixup_replacement (struct fixup_replacement **replacements, rtx x)
static void fixup_var_refs_insns (rtx insn, rtx var, enum machine_mode promoted_mode, int unsignedp, int toplevel, rtx may_share)
static void fixup_var_refs_insns_with_hash (htab_t ht, rtx var, enum machine_mode promoted_mode, int unsignedp, rtx may_share)
static void fixup_var_refs_insn (rtx insn, rtx var, enum machine_mode promoted_mode, int unsignedp, int toplevel, rtx no_share)
static void fixup_var_refs_1 (rtx var, enum machine_mode promoted_mode, rtx *loc, rtx insn, struct fixup_replacement **replacements, rtx no_share)
static rtx fixup_memory_subreg (rtx x, rtx insn, enum machine_mode promoted_mode, int uncritical)
static rtx walk_fixup_memory_subreg (rtx x, rtx insn, enum machine_mode promoted_mode, int uncritical)
static rtx fixup_stack_1 (rtx x, rtx insn)
static void optimize_bit_field (rtx body, rtx insn, rtx *equiv_mem)
rtx gen_mem_addressof (rtx reg, tree decl, int rescan)
void flush_addressof (tree decl)
static void put_addressof_into_stack (rtx r, htab_t ht)
static bool purge_addressof_1 (rtx *loc, rtx insn, int force, int store, htab_t ht)
static hashval_t insns_for_mem_hash (void *k) const
static int insns_for_mem_comp (void *k1, const void *k2) const
static int insns_for_mem_walk (rtx *r, void *data)
static void compute_insns_for_mem (rtx insns, rtx last_insn, htab_t ht)
static int is_addressof (rtx *rtl, data)
void purge_addressof (rtx insns)
static void purge_single_hard_subreg_set (rtx pattern)
void purge_hard_subreg_sets (rtx insn)
void instantiate_virtual_regs (tree fndecl, rtx insns)
static void instantiate_decls (tree fndecl, int valid_only)
static void instantiate_decls_1 (tree let, int valid_only)
static void instantiate_decl (rtx x, HOST_WIDE_INT size, int valid_only)
static rtx instantiate_new_reg (rtx x, HOST_WIDE_INT *poffset)
static void instantiate_virtual_regs_lossage (rtx insn)
static int instantiate_virtual_regs_1 (rtx *loc, rtx object, int extra_insns)
static void delete_handlers ()
int max_parm_reg_num ()
rtx get_first_nonparm_insn ()
rtx get_first_block_beg ()
int aggregate_value_p (tree exp)
void assign_parms (tree fndecl)
void locate_and_pad_parm (enum machine_mode passed_mode, tree type, in_regs, fndecl, struct args_size *initial_offset_ptr, struct args_size *offset_ptr, struct args_size *arg_size_ptr, struct args_size *alignment_pad)
static void pad_to_arg_alignment (struct args_size *offset_ptr, int boundary, struct args_size *alignment_pad)
static void pad_below (struct args_size *offset_ptr, enum machine_mode passed_mode, tree sizetree)
void uninitialized_vars_warning (tree block)
void setjmp_args_warning ()
void setjmp_protect (tree block)
void setjmp_protect_args ()
rtx lookup_static_chain (tree decl)
rtx fix_lexical_addr (rtx addr, tree var)
rtx trampoline_address (tree function)
static rtx round_trampoline_addr (rtx tramp)
static rtx adjust_trampoline_addr (rtx tramp)
void identify_blocks ()
static tree * identify_blocks_1 (rtx insns, tree *block_vector, tree *end_block_vector, tree *orig_block_stack)
void reorder_blocks ()
static void reorder_blocks_0 (tree block)
static void reorder_blocks_1 (rtx insns, tree current_block, varray_type *p_block_stack)
static void reorder_fix_fragments (tree block)
static tree blocks_nreverse (tree t)
static int all_blocks (tree block, tree *vector)
static tree * get_block_vector (tree block, int *n_blocks_p)
void number_blocks (tree fn)
tree debug_find_var_in_block_tree (tree var, tree block)
static void prepare_function_start ()
void init_dummy_function_start ()
void init_function_start (tree subr, const char *filename, int line)
void init_function_for_compilation ()
void expand_main_function ()
void expand_pending_sizes (tree pending_sizes)
void expand_function_start (tree subr, int parms_have_cleanups)
void expand_dummy_function_end ()
void diddle_return_value (void *doit, void *arg)
static void do_clobber_return_reg (rtx reg, arg)
void clobber_return_register ()
static void do_use_return_reg (rtx reg, arg)
void use_return_register ()
rtx get_arg_pointer_save_area (struct function *f)
static void record_insns (rtx insns, varray_type *vecp)
static int contains (rtx insn, varray_type vec)
int prologue_epilogue_contains (rtx insn)
int sibcall_epilogue_contains (rtx insn)
void thread_prologue_and_epilogue_insns (f)
void reposition_prologue_and_epilogue_notes (f)
void init_function_once ()

Variables

int current_function_is_leaf
int current_function_nothrow
int current_function_sp_is_unchanging
int current_function_uses_only_leaf_regs
int virtuals_instantiated
int trampolines_created
static int funcdef_no
tree inline_function_decl
struct function * cfun = 0
static int in_arg_offset
static int var_offset
static int dynamic_offset
static int out_arg_offset
static int cfa_offset
static rtx purge_bitfield_addressof_replacements
static rtx purge_addressof_replacements
static int next_block_index = 2

Define Documentation

#define ARG_POINTER_CFA_OFFSET ( FNDECL   )     FIRST_PARM_OFFSET (FNDECL)

Definition at line 2911 of file function.c.

#define CEIL_ROUND ( VALUE,
ALIGN   )     (((VALUE) + (ALIGN) - 1) & ~((ALIGN)- 1))

Definition at line 97 of file function.c.

#define FLOOR_ROUND ( VALUE,
ALIGN   )     ((VALUE) & ~((ALIGN) - 1))

Definition at line 93 of file function.c.

#define LOCAL_ALIGNMENT ( TYPE,
ALIGNMENT   )     ALIGNMENT

Definition at line 79 of file function.c.

#define NAME__MAIN   "__main"

Definition at line 87 of file function.c.

#define STACK_BYTES   (STACK_BOUNDARY / BITS_PER_UNIT)

#define STACK_DYNAMIC_OFFSET ( FNDECL   ) 

Value:

((ACCUMULATE_OUTGOING_ARGS ? current_function_outgoing_args_size : 0)       \
 + (STACK_POINTER_OFFSET))

Definition at line 2902 of file function.c.

#define STACK_POINTER_OFFSET   0

Definition at line 2878 of file function.c.

#define TRAMPOLINE_ALIGNMENT   FUNCTION_BOUNDARY

Definition at line 75 of file function.c.

#define TRAMPOLINE_REAL_SIZE   (TRAMPOLINE_SIZE + (TRAMPOLINE_ALIGNMENT / BITS_PER_UNIT) - 1)

Function Documentation

static rtx adjust_trampoline_addr ( rtx  tramp  )  [static]

Definition at line 5839 of file function.c.

References round_trampoline_addr(), and TRAMPOLINE_ADJUST_ADDRESS.

int aggregate_value_p ( tree  exp  ) 

Definition at line 4289 of file function.c.

References AGGREGATE_TYPE_P, call_used_regs, flag_pcc_struct_return, GET_CODE, hard_function_value(), HARD_REGNO_NREGS, i, nregs, REG, REGNO, RETURN_IN_MEMORY, TREE_ADDRESSABLE, TREE_CODE, TREE_TYPE, TYPE_MODE, and TYPE_P.

static int all_blocks ( tree  block,
tree *  vector 
) [static]

Definition at line 6143 of file function.c.

References all_blocks(), BLOCK_CHAIN, BLOCK_SUBBLOCKS, and TREE_ASM_WRITTEN.

void assign_parms ( tree  fndecl  ) 

Definition at line 4329 of file function.c.

References abort, ADD_PARM_SIZE, addr(), adjust_address, aggregate_value_p(), allocate_dynamic_stack_space(), ARG_POINTER_REGNUM, ARGS_SIZE_RTX, assign_stack_local(), assign_stack_temp(), BITS_PER_UNIT, BITS_PER_WORD, build_decl, build_pointer_type(), CEIL_ROUND, COMPLETE_TYPE_P, CONCAT, const0_rtx, args_size::constant, contains_placeholder_p(), convert_memory_address(), convert_to_mode(), copy, copy_to_reg(), current_function_arg_offset_rtx, current_function_args_info, current_function_args_size, current_function_internal_arg_pointer, current_function_pops_args, current_function_pretend_args_size, current_function_return_rtx, current_function_returns_pcc_struct, current_function_stdarg, DECL_ARG_TYPE, DECL_ARGUMENTS, DECL_INCOMING_RTL, DECL_MODE, DECL_NAME, DECL_REGISTER, DECL_RESULT, DECL_RTL, DECL_RTL_SET_P, DECL_TRANSPARENT_UNION, emit_group_store(), emit_insn(), emit_move_insn(), end_sequence(), error_mark_node, expand_assignment(), expand_expr(), expr_size(), FIRST_PSEUDO_REGISTER, fixed_regs, flag_float_store, FRAME_POINTER_REGNUM, FUNCTION_ARG, FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_ARG_CALLEE_COPIES, FUNCTION_ARG_PARTIAL_NREGS, FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_INCOMING_ARG, FUNCTION_OUTGOING_VALUE, FUNCTION_VALUE, gen_imagpart(), GEN_INT, gen_realpart(), gen_reg_rtx(), gen_rtx_EXPR_LIST, gen_rtx_MEM(), gen_rtx_PLUS, GET_CODE, get_insns(), get_last_insn(), GET_MODE, GET_MODE_ALIGNMENT, GET_MODE_SIZE, ggc_alloc_cleared, ggc_realloc, i, INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS, int_size_in_bytes(), INTVAL, last_parm_insn, LAST_VIRTUAL_REGISTER, len, locate_and_pad_parm(), make_tree(), mark_reg_pointer(), mark_user_reg(), MAX, max_parm_reg, MAYBE_REG_PARM_STACK_SPACE, maybe_set_unchanging(), MEM, memset, move_block_from_reg(), MUST_PASS_IN_STACK, nregs, NULL, NULL_RTX, NULL_TREE, optimize, PARM_BOUNDARY, parm_reg_stack_loc, Pmode, POINTER_TYPE_P, PRETEND_OUTGOING_VARARGS_NAMED, prev_nonnote_insn(), promote_mode(), push_to_sequence(), put_var_into_stack(), REG, REG_EQUIV, REG_FUNCTION_VALUE_P, reg_mentioned_p(), REG_NOTES, REG_P, REG_PARM_STACK_SPACE, REGNO, REGNO_DECL, regno_reg_rtx, result, RETURN_POPS_ARGS, SET_DECL_RTL, SET_DEST, set_mem_attributes(), SETUP_INCOMING_VARARGS, single_set, size_diffop(), size_int, STACK_BYTES, STACK_PARMS_IN_REG_PARM_AREA, STACK_POINTER_REGNUM, store_expr(), STRICT_ARGUMENT_NAMING, SUBREG_PROMOTED_UNSIGNED_SET, SUBREG_PROMOTED_VAR_P, SUBREG_REG, TREE_ADDRESSABLE, TREE_CHAIN, TREE_CODE, tree_last(), TREE_SIDE_EFFECTS, TREE_TYPE, TREE_UNSIGNED, TREE_USED, TREE_VALUE, TYPE_ALIGN, TYPE_ARG_TYPES, TYPE_FIELDS, TYPE_MODE, TYPE_SIZE, TYPE_TRANSPARENT_UNION, UNITS_PER_WORD, validize_mem(), args_size::var, virtual_incoming_args_rtx, void_type_node, x, XEXP, XVECEXP, and XVECLEN.

rtx assign_stack_local ( enum machine_mode  mode,
HOST_WIDE_INT  size,
int  align 
)

Definition at line 624 of file function.c.

References assign_stack_local_1().

static rtx assign_stack_local_1 ( enum machine_mode  mode,
HOST_WIDE_INT  size,
int  align,
struct function *  function 
) [static]

Definition at line 529 of file function.c.

References addr(), alignment, BIGGEST_ALIGNMENT, BITS_PER_UNIT, BYTES_BIG_ENDIAN, CEIL_ROUND, FLOOR_ROUND, frame_offset, frame_phase, frame_pointer_rtx, gen_rtx_EXPR_LIST, gen_rtx_MEM(), GET_MODE_ALIGNMENT, GET_MODE_SIZE, LOCAL_ALIGNMENT, plus_constant, PREFERRED_STACK_BOUNDARY, STARTING_FRAME_OFFSET, virtual_stack_vars_rtx, virtuals_instantiated, and x.

rtx assign_stack_temp ( enum machine_mode  mode,
HOST_WIDE_INT  size,
int  keep 
)

Definition at line 831 of file function.c.

References assign_stack_temp_for_type(), and NULL_TREE.

rtx assign_stack_temp_for_type ( enum machine_mode  mode,
HOST_WIDE_INT  size,
int  keep,
tree  type 
)

Definition at line 650 of file function.c.

References abort, AGGREGATE_TYPE_P, align, alignment, assign_stack_local(), BIGGEST_ALIGNMENT, BITS_PER_UNIT, CEIL_ROUND, frame_offset, gen_rtx_EXPR_LIST, gen_rtx_MEM(), get_alias_set(), GET_MODE, GET_MODE_ALIGNMENT, ggc_alloc, HOST_WIDE_INT, LOCAL_ALIGNMENT, MEM_SET_IN_STRUCT_P, MEM_VOLATILE_P, objects_must_conflict_p(), plus_constant, RTX_UNCHANGING_P, seq_rtl_expr, set_mem_alias_set(), set_mem_align(), stack_slot_list, target_temp_slot_level, temp_slot_level, temp_slots, TYPE_READONLY, TYPE_VOLATILE, var_temp_slot_level, and XEXP.

rtx assign_temp ( tree  type_or_decl,
int  keep,
int  memory_required,
dont_promote   
)

Definition at line 850 of file function.c.

References assign_stack_temp_for_type(), DECL_P, gen_reg_rtx(), host_integerp(), HOST_WIDE_INT, int_size_in_bytes(), mode, NULL, NULL_TREE, promote_mode(), size, tmp, TREE_CODE, tree_low_cst(), TREE_TYPE, TREE_UNSIGNED, TYPE_ARRAY_MAX_SIZE, TYPE_MODE, and TYPE_SIZE_UNIT.

static tree blocks_nreverse ( tree  t  )  [static]

Definition at line 6124 of file function.c.

References BLOCK_CHAIN, next, and prev.

void clobber_return_register ( void   ) 

Definition at line 6809 of file function.c.

References current_function_decl, DECL_RESULT, DECL_RTL, DECL_RTL_SET_P, diddle_return_value(), do_clobber_return_reg(), FIRST_PSEUDO_REGISTER, NULL, REG_P, and REGNO.

void combine_temp_slots ( void   ) 

Definition at line 921 of file function.c.

References flag_expensive_optimizations, flag_strict_aliasing, GET_MODE, optimize, q, and temp_slots.

static void compute_insns_for_mem ( rtx  insns,
rtx  last_insn,
htab_t  ht 
) [static]

Definition at line 3393 of file function.c.

References for_each_rtx(), insns_for_mem_walk_info::ht, insns_for_mem_walk_info::insn, insn, INSN_P, insns_for_mem_walk(), NEXT_INSN, and insns_for_mem_walk_info::pass.

static int contains ( rtx  insn,
varray_type  vec 
) [static]

Definition at line 7245 of file function.c.

References count, GET_CODE, i, INSN_UID, PATTERN, VARRAY_INT, VARRAY_SIZE, XVECEXP, and XVECLEN.

tree debug_find_var_in_block_tree ( tree  var,
tree  block 
)

Definition at line 6222 of file function.c.

References BLOCK_SUBBLOCKS, BLOCK_VARS, debug_find_var_in_block_tree(), NULL_TREE, ret, and TREE_CHAIN.

static void delete_handlers (  )  [static]

Definition at line 4201 of file function.c.

References DECL_RTL, delete_related_insns(), GET_CODE, get_insns(), insns_for_mem_walk_info::insn, LABEL_PRESERVE_P, NEXT_INSN, nonlocal_goto_handler_slots, nonlocal_goto_stack_level, nonlocal_labels, PATTERN, reg_mentioned_p(), TREE_CHAIN, TREE_VALUE, and XEXP.

void diddle_return_value ( void *  doit,
void *  arg 
)

Definition at line 6775 of file function.c.

References current_function_return_rtx, FIRST_PSEUDO_REGISTER, GET_CODE, i, REG, REGNO, x, XEXP, XVECEXP, and XVECLEN.

static void do_clobber_return_reg ( rtx  reg,
arg   
) [static]

Definition at line 6801 of file function.c.

References emit_insn(), and gen_rtx_CLOBBER.

static void do_use_return_reg ( rtx  reg,
arg   
) [static]

Definition at line 6826 of file function.c.

References emit_insn(), and gen_rtx_USE.

void expand_dummy_function_end ( void   ) 

Definition at line 6757 of file function.c.

References end_sequence(), free_after_compilation(), free_after_parsing(), and in_sequence_p().

void expand_function_start ( tree  subr,
int  parms_have_cleanups 
)

Definition at line 6541 of file function.c.

References abort, aggregate_value_p(), assemble_static_space(), assign_parms(), assign_stack_local(), cleanup_label, context_display, copy_to_reg(), current_function_decl, current_function_funcdef_no, current_function_instrument_entry_exit, current_function_limit_stack, current_function_needs_context, current_function_profile, current_function_returns_pcc_struct, decl_function_context(), DECL_MODE, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK, DECL_REGISTER, DECL_RESULT, DECL_RTL, emit_library_call(), emit_move_insn(), emit_note(), expand_builtin_return_addr(), expand_pending_sizes(), flag_instrument_function_entry_exit, force_next_line_note(), gen_group_rtx(), gen_label_rtx(), gen_reg_rtx(), gen_rtx_EXPR_LIST, gen_rtx_MEM(), GET_CODE, get_frame_alias_set(), get_last_insn(), GET_MODE, GET_MODE_SIZE, get_pending_sizes(), hard_frame_pointer_rtx, hard_function_value(), HOST_WIDE_INT, init_recog_no_volatile(), int_size_in_bytes(), LCT_NORMAL, make_node, MEM, memory_address(), NOTE_INSN_DELETED, NOTE_INSN_FUNCTION_BEG, nreverse(), NULL, NULL_RTX, optimize, parm_birth_insn, plus_constant, Pmode, profile_flag, profile_function_entry_libfunc, PROFILE_HOOK, REG, REG_P, return_label, RTL_EXPR_RTL, save_expr_regs, SET_DECL_RTL, set_mem_alias_set(), set_mem_attributes(), size, SMALL_REGISTER_CLASSES, stack_limit_rtx, tail_recursion_reentry, tree_cons, TREE_TYPE, x, and XEXP.

void expand_main_function ( void   ) 

Definition at line 6461 of file function.c.

References align, allocate_dynamic_stack_space(), AND, BIGGEST_ALIGNMENT, BITS_PER_UNIT, const0_rtx, emit_insn(), emit_insn_before(), emit_library_call(), emit_move_insn(), end_sequence(), expand_simple_binop(), FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN, force_reg(), GEN_INT, gen_rtx_SYMBOL_REF, get_insns(), get_last_insn(), LCT_NORMAL, NAME__MAIN, NOTE_INSN_FUNCTION_BEG, NOTE_LINE_NUMBER, NOTE_P, NULL_RTX, OPTAB_WIDEN, PLUS, Pmode, PREFERRED_STACK_BOUNDARY, PREV_INSN, stack_pointer_rtx, start_sequence(), and tmp.

void expand_pending_sizes ( tree  pending_sizes  ) 

Definition at line 6512 of file function.c.

References const0_rtx, emit_queue(), expand_expr(), NULL, TREE_CHAIN, TREE_CODE, TREE_VALUE, and walk_tree_without_duplicates().

static struct fixup_replacement* find_fixup_replacement ( struct fixup_replacement **  replacements,
rtx  x 
) [static, read]

Definition at line 1627 of file function.c.

References rtx_equal_p(), and xmalloc().

static struct temp_slot* find_temp_slot_from_address ( rtx  x  )  [static, read]

Definition at line 987 of file function.c.

References find_temp_slot_from_address(), GET_CODE, INTVAL, next, PLUS, REG, temp_slots, virtual_stack_vars_rtx, and XEXP.

rtx fix_lexical_addr ( rtx  addr,
tree  var 
)

Definition at line 5662 of file function.c.

References abort, ADDRESSOF, base, context_display, copy_to_reg(), current_function_decl, decl_function_context(), find_function_data(), FIRST_PARM_OFFSET, fix_lexical_addr(), fp, function, gen_rtx_MEM(), get_arg_pointer_save_area(), GET_CODE, get_frame_alias_set(), HOST_WIDE_INT, INTVAL, lookup_static_chain(), MEM, memory_address(), PLUS, plus_constant, Pmode, REG, RTL_EXPR_RTL, set_mem_alias_set(), STARTING_FRAME_OFFSET, TREE_CHAIN, TREE_PURPOSE, TREE_VALUE, virtual_stack_vars_rtx, and XEXP.

static rtx fixup_memory_subreg ( rtx  x,
rtx  insn,
enum machine_mode  promoted_mode,
int  uncritical 
) [static]

Definition at line 2552 of file function.c.

References abort, addr(), adjust_address, BYTES_BIG_ENDIAN, emit_insn_before(), end_sequence(), flag_force_addr, get_insns(), GET_MODE, GET_MODE_SIZE, mem, memory_address_p(), mode, offset, plus_constant, result, start_sequence(), SUBREG_BYTE, SUBREG_REG, and XEXP.

static rtx fixup_stack_1 ( rtx  x,
rtx  insn 
) [static]

Definition at line 2643 of file function.c.

References ARG_POINTER_REGNUM, copy_to_reg(), current_function_internal_arg_pointer, emit_insn_before(), end_sequence(), FIRST_VIRTUAL_REGISTER, fixup_stack_1(), FRAME_POINTER_REGNUM, GET_CODE, get_insns(), GET_MODE, GET_RTX_FORMAT, GET_RTX_LENGTH, HARD_FRAME_POINTER_REGNUM, i, LAST_VIRTUAL_REGISTER, MEM, memory_address_p(), PLUS, REG, REGNO, replace_equiv_address(), RTX_CODE, STACK_POINTER_REGNUM, start_sequence(), XEXP, XVECEXP, and XVECLEN.

static void fixup_var_refs ( rtx  var,
enum machine_mode  promoted_mode,
int  unsignedp,
rtx  may_share,
htab_t  ht 
) [static]

Definition at line 1571 of file function.c.

References abort, const0_rtx, end_sequence(), first_insn, fixup_var_refs_insns(), fixup_var_refs_insns_with_hash(), get_insns(), get_last_insn(), push_to_full_sequence(), push_to_sequence(), rtl_expr_chain, RTL_EXPR_SEQUENCE, seq_stack, sequence_stack, stack, TREE_CHAIN, and TREE_VALUE.

static void fixup_var_refs_1 ( rtx  var,
enum machine_mode  promoted_mode,
rtx *  loc,
rtx  insn,
struct fixup_replacement **  replacements,
rtx  no_share 
) [static]

Definition at line 1927 of file function.c.

References abort, ADDRESSOF, adjust_address_nv, BITS_BIG_ENDIAN, BITS_PER_UNIT, BYTES_BIG_ENDIAN, CONST, copy_most_rtx(), copy_rtx(), delete_insn(), dest, emit_insn(), emit_insn_after(), emit_insn_before(), end_sequence(), EP_extv, EP_extzv, EP_insv, find_fixup_replacement(), fixup_memory_subreg(), fixup_stack_1(), fixup_var_refs_1(), flag_force_mem, force_operand(), GEN_INT, gen_lowpart, gen_move_insn(), gen_reg_rtx(), gen_rtx_SET, GET_CODE, get_insns(), GET_MODE, GET_MODE_BITSIZE, GET_MODE_SIZE, GET_RTX_FORMAT, GET_RTX_LENGTH, HOST_WIDE_INT, i, INSN_CODE, INTVAL, last, MEM, MEM_VOLATILE_P, mode_dependent_address_p(), mode_for_extraction(), new_mode(), NEXT_INSN, NULL_RTX, offset, optimize_bit_field(), PATTERN, PC, pos(), PREV_INSN, recog_memoized, REG, reg_mentioned_p(), REG_NOTES, RTX_CODE, SET, SET_DEST, SET_SRC, sets_cc0_p(), single_set, src, start_sequence(), sub, SUBREG_PROMOTED_VAR_P, SUBREG_REG, validate_change(), validate_replace_rtx(), x, XEXP, XVECEXP, XVECLEN, and is::y.

static void fixup_var_refs_insn ( rtx  insn,
rtx  var,
enum machine_mode  promoted_mode,
int  unsignedp,
int  toplevel,
rtx  no_share 
) [static]

Definition at line 1737 of file function.c.

References CONCAT, convert_move(), delete_insn(), emit_insn_before(), end_sequence(), find_reg_note(), fixup_memory_subreg(), fixup_stack_1(), fixup_var_refs_1(), free(), gen_move_insn(), gen_reg_rtx(), GET_CODE, get_insns(), GET_MODE, last_parm_insn, next, NEXT_INSN, next_insn(), NULL_RTX, PATTERN, prev, PREV_INSN, prev_nonnote_insn(), REG, REG_LIBCALL, reg_mentioned_p(), REG_NOTES, REG_RETVAL, remove_note(), replace_rtx(), replacements, rtx_equal_p(), SET, SET_DEST, SET_SRC, single_set, SMALL_REGISTER_CLASSES, start_sequence(), walk_fixup_memory_subreg(), XEXP, and XVECEXP.

static void fixup_var_refs_insns ( rtx  insn,
rtx  var,
enum machine_mode  promoted_mode,
int  unsignedp,
int  toplevel,
rtx  may_share 
) [static]

Definition at line 1655 of file function.c.

References end_sequence(), fixup_var_refs_insn(), fixup_var_refs_insns(), GET_CODE, get_insns(), i, INSN_P, next, NEXT_INSN, PATTERN, push_to_sequence(), and XEXP.

static void fixup_var_refs_insns_with_hash ( htab_t  ht,
rtx  var,
enum machine_mode  promoted_mode,
int  unsignedp,
rtx  may_share 
) [static]

Definition at line 1710 of file function.c.

References fixup_var_refs_insn(), htab_find(), insn_list, INSN_P, insns_for_mem_entry::insns, insns_for_mem_entry::key, and XEXP.

void flush_addressof ( tree  decl  ) 

Definition at line 2977 of file function.c.

References ADDRESSOF, DECL_RTL, GET_CODE, MEM, put_addressof_into_stack(), REG, TREE_CODE, and XEXP.

void free_after_compilation ( struct function *  f  ) 

Definition at line 449 of file function.c.

References NULL.

void free_after_parsing ( struct function *  f  ) 

Definition at line 432 of file function.c.

References NULL.

void free_temp_slots ( void   ) 

Definition at line 1213 of file function.c.

References combine_temp_slots(), temp_slot_level, and temp_slots.

void free_temps_for_rtl_expr ( tree  t  ) 

Definition at line 1228 of file function.c.

References combine_temp_slots(), NULL_TREE, and temp_slots.

rtx gen_mem_addressof ( rtx  reg,
tree  decl,
int  rescan 
)

Definition at line 2923 of file function.c.

References DECL_INITIAL, DECL_MODE, DECL_P, DECL_RTL_IF_SET, fixup_var_refs(), gen_reg_rtx(), gen_rtx_ADDRESSOF, get_alias_set(), GET_MODE, HOST_WIDE_INT, MEM, MEM_ATTRS, Pmode, PUT_CODE, PUT_MODE, r, REG_USERVAR_P, REGNO, RTX_UNCHANGING_P, SAVE_EXPR_RTL, SET_DECL_RTL, set_mem_alias_set(), set_mem_attributes(), TREE_CODE, TREE_TYPE, TREE_UNSIGNED, TREE_USED, TYPE_MODE, and XEXP.

rtx get_arg_pointer_save_area ( struct function *  f  ) 

Definition at line 7180 of file function.c.

References assign_stack_local_1(), emit_insn_after(), emit_move_insn(), end_sequence(), get_insns(), GET_MODE_SIZE, Pmode, pop_topmost_sequence(), push_topmost_sequence(), ret, start_sequence(), validize_mem(), and virtual_incoming_args_rtx.

static tree* get_block_vector ( tree  block,
int *  n_blocks_p 
) [static]

Definition at line 6174 of file function.c.

References all_blocks(), NULL, and xmalloc().

rtx get_first_block_beg (  ) 

Definition at line 4269 of file function.c.

References abort, GET_CODE, get_first_nonparm_insn(), insns_for_mem_walk_info::insn, NEXT_INSN, NOTE_INSN_BLOCK_BEG, NOTE_LINE_NUMBER, and NULL_RTX.

rtx get_first_nonparm_insn (  ) 

Definition at line 4258 of file function.c.

References get_insns(), last_parm_insn, and NEXT_INSN.

HOST_WIDE_INT get_frame_size ( void   ) 

Definition at line 511 of file function.c.

References get_func_frame_size().

HOST_WIDE_INT get_func_frame_size ( struct function *  f  ) 

Definition at line 497 of file function.c.

static GTY ( ()   )  [static]

Definition at line 153 of file function.c.

References address, align, HOST_WIDE_INT, next, and size.

void identify_blocks (  ) 

Definition at line 5857 of file function.c.

References abort, block_stack, current_function_decl, DECL_INITIAL, free(), get_block_vector(), get_insns(), identify_blocks_1(), and xmalloc().

static tree* identify_blocks_1 ( rtx  insns,
tree *  block_vector,
tree *  end_block_vector,
tree *  orig_block_stack 
) [static]

Definition at line 5893 of file function.c.

References abort, b, block_stack, GET_CODE, identify_blocks_1(), insn, NEXT_INSN, NOTE_BLOCK, NOTE_INSN_BLOCK_BEG, NOTE_INSN_BLOCK_END, NOTE_LINE_NUMBER, PATTERN, and XEXP.

void init_dummy_function_start ( void   ) 

Definition at line 6381 of file function.c.

References prepare_function_start().

void init_function_for_compilation ( void   ) 

Definition at line 6443 of file function.c.

References reg_renumber, and VARRAY_GROW.

void init_function_once ( void   ) 

Definition at line 8012 of file function.c.

References VARRAY_INT_INIT.

void init_function_start ( tree  subr,
const char *  filename,
int  line 
)

Definition at line 6391 of file function.c.

References AGGREGATE_TYPE_P, aggregate_value_p(), current_function_decl, current_function_name, current_function_needs_context, current_function_returns_pcc_struct, current_function_returns_pointer, current_function_returns_struct, decl_function_context(), DECL_NO_STATIC_CHAIN, DECL_RESULT, emit_line_note(), emit_note(), immediate_size_expand, NOTE_INSN_DELETED, NULL, POINTER_TYPE_P, prepare_function_start(), TREE_TYPE, warn_aggregate_return, and warning.

void init_temp_slots ( void   ) 

Definition at line 1332 of file function.c.

References target_temp_slot_level, temp_slot_level, temp_slots, and var_temp_slot_level.

static int insns_for_mem_comp ( void *  k1,
const void *  k2 
) const [static]

Definition at line 3322 of file function.c.

References insns_for_mem_entry::key.

static hashval_t insns_for_mem_hash ( void *  k  )  const [static]

Definition at line 3311 of file function.c.

References htab_hash_pointer, and insns_for_mem_entry::key.

static int insns_for_mem_walk ( rtx *  r,
void *  data 
) [static]

Definition at line 3351 of file function.c.

References ADDRESSOF, gen_rtx_EXPR_LIST, GET_CODE, ggc_alloc, insns_for_mem_walk_info::ht, htab_find(), htab_find_slot(), INSERT, insns_for_mem_walk_info::insn, insns_for_mem_entry::insns, insns_for_mem_entry::key, memcpy, NULL, NULL_RTX, insns_for_mem_walk_info::pass, PTR, REG, and XEXP.

static void instantiate_decl ( rtx  x,
HOST_WIDE_INT  size,
int  valid_only 
) [static]

Definition at line 3687 of file function.c.

References addr(), ADDRESSOF, CONSTANT_P, copy_rtx(), FIRST_VIRTUAL_REGISTER, GET_CLASS_NARROWEST_MODE, GET_CODE, GET_MODE_SIZE, GET_MODE_WIDER_MODE, HOST_WIDE_INT, instantiate_virtual_regs_1(), LAST_VIRTUAL_REGISTER, MEM, memory_address_p(), mode, MODE_FLOAT, MODE_INT, NULL_RTX, REG, REGNO, and XEXP.

static void instantiate_decls ( tree  fndecl,
int  valid_only 
) [static]

Definition at line 3633 of file function.c.

References DECL_ARGUMENTS, DECL_INCOMING_RTL, DECL_INITIAL, DECL_RTL, GET_MODE, GET_MODE_SIZE, HOST_WIDE_INT, instantiate_decl(), instantiate_decls_1(), int_size_in_bytes(), MAX, size, TREE_CHAIN, and TREE_TYPE.

static void instantiate_decls_1 ( tree  let,
int  valid_only 
) [static]

Definition at line 3663 of file function.c.

References BLOCK_SUBBLOCKS, BLOCK_VARS, DECL_RTL, DECL_RTL_SET_P, instantiate_decl(), instantiate_decls_1(), int_size_in_bytes(), TREE_CHAIN, and TREE_TYPE.

static rtx instantiate_new_reg ( rtx  x,
HOST_WIDE_INT *  poffset 
) [static]

Definition at line 3752 of file function.c.

References arg_pointer_rtx, frame_pointer_rtx, HOST_WIDE_INT, offset, stack_pointer_rtx, virtual_cfa_rtx, virtual_incoming_args_rtx, virtual_outgoing_args_rtx, virtual_stack_dynamic_rtx, and virtual_stack_vars_rtx.

void instantiate_virtual_regs ( tree  fndecl,
rtx  insns 
)

Definition at line 3566 of file function.c.

References ARG_POINTER_CFA_OFFSET, asm_noperands(), CALL_INSN_FUNCTION_USAGE, check_asm_operands(), FIRST_PARM_OFFSET, GET_CODE, i, init_recog(), insns_for_mem_walk_info::insn, INSN_DELETED_P, instantiate_decls(), instantiate_virtual_regs_1(), instantiate_virtual_regs_lossage(), max_parm_reg, NEXT_INSN, NULL_RTX, parm_reg_stack_loc, PATTERN, REG_NOTES, STACK_DYNAMIC_OFFSET, STACK_POINTER_OFFSET, STARTING_FRAME_OFFSET, and virtuals_instantiated.

static int instantiate_virtual_regs_1 ( rtx *  loc,
rtx  object,
int  extra_insns 
) [static]

Definition at line 3807 of file function.c.

References ABS, ADDRESSOF, AND, ARG_POINTER_REGNUM, arg_pointer_rtx, COMPARE, CONST, const0_rtx, CONSTANT_ADDRESS_P, CONSTANT_P, copy_rtx(), DIV, emit_insn_before(), end_sequence(), EQ, FIX, FLOAT, force_operand(), FRAME_POINTER_REGNUM, frame_pointer_rtx, GE, gen_lowpart, gen_move_insn(), gen_reg_rtx(), gen_rtx_PLUS, GET_CODE, get_insns(), GET_MODE, GET_RTX_FORMAT, GET_RTX_LENGTH, GT, HARD_FRAME_POINTER_REGNUM, hard_frame_pointer_rtx, HOST_WIDE_INT, i, INSN_DELETED_P, INSN_P, instantiate_new_reg(), instantiate_virtual_regs_1(), instantiate_virtual_regs_lossage(), INTVAL, LE, LT, MEM, MINUS, MOD, NE, NOT, NULL_RTX, offset, PC, PLUS, plus_constant, Pmode, PREFETCH, ptr_mode, REG, RETURN, ROTATE, RTX_CODE, SET, SET_DEST, SET_SRC, SIGN_EXTEND, src, start_sequence(), SUBREG_REG, TRUNCATE, USE, validate_change(), validate_replace_rtx(), virtual_incoming_args_rtx, virtual_stack_vars_rtx, x, XEXP, XOR, XVECEXP, and XVECLEN.

static void instantiate_virtual_regs_lossage ( rtx  insn  )  [static]

Definition at line 3781 of file function.c.

References abort, asm_noperands(), delete_insn(), error_for_asm(), and PATTERN.

static int is_addressof ( rtx *  rtl,
data   
) [static]

Definition at line 3415 of file function.c.

References ADDRESSOF, and GET_CODE.

void locate_and_pad_parm ( enum machine_mode  passed_mode,
tree  type,
in_regs  ,
fndecl  ,
struct args_size *  initial_offset_ptr,
struct args_size *  offset_ptr,
struct args_size *  arg_size_ptr,
struct args_size *  alignment_pad 
)

Definition at line 5300 of file function.c.

References ADD_PARM_SIZE, ARGS_SIZE_TREE, BITS_PER_UNIT, args_size::constant, downward, FUNCTION_ARG_BOUNDARY, FUNCTION_ARG_PADDING, GET_MODE_SIZE, host_integerp(), MAYBE_REG_PARM_STACK_SPACE, none, pad_below(), pad_to_arg_alignment(), PARM_BOUNDARY, PUSH_ROUNDING, REG_PARM_STACK_SPACE, round_up(), s2, size_binop(), size_in_bytes(), size_int, ssize_int, SUB_PARM_SIZE, TREE_INT_CST_LOW, tree_low_cst(), and args_size::var.

rtx lookup_static_chain ( tree  decl  ) 

Definition at line 5633 of file function.c.

References abort, context_display, current_function_decl, decl_function_context(), DECL_NO_STATIC_CHAIN, RTL_EXPR_RTL, TREE_CHAIN, TREE_CODE, TREE_PURPOSE, TREE_VALUE, and virtual_stack_vars_rtx.

void mark_all_temps_used (  ) 

Definition at line 1253 of file function.c.

References MIN, temp_slot_level, and temp_slots.

void mark_temp_addr_taken ( rtx  x  ) 

Definition at line 1086 of file function.c.

References CONSTANT_P, find_temp_slot_from_address(), GET_CODE, MEM, and XEXP.

int max_parm_reg_num (  ) 

Definition at line 4250 of file function.c.

References max_parm_reg.

void number_blocks ( tree  fn  ) 

Definition at line 6192 of file function.c.

References BLOCK_NUMBER, DECL_INITIAL, free(), get_block_vector(), i, SDB_DEBUG, write_symbols, and XCOFF_DEBUG.

static void optimize_bit_field ( rtx  body,
rtx  insn,
rtx *  equiv_mem 
) [static]

Definition at line 2710 of file function.c.

References abort, adjust_address, apply_change_group(), BITS_BIG_ENDIAN, BITS_PER_UNIT, BYTES_BIG_ENDIAN, CONSTANT_ADDRESS_P, convert_move(), dest, emit_insn_before(), end_sequence(), gen_lowpart, gen_reg_rtx(), GET_CODE, get_insns(), GET_MODE, GET_MODE_BITSIZE, GET_MODE_CLASS, GET_MODE_SIZE, HOST_WIDE_INT, insns, INTVAL, MEM, MEM_VOLATILE_P, MIN, mode, mode_dependent_address_p(), mode_for_size(), MODE_INT, offset, REG, REGNO, SET_DEST, SET_SRC, src, start_sequence(), SUBREG_BYTE, SUBREG_REG, UNITS_PER_WORD, validate_change(), and XEXP.

static void pad_below ( struct args_size *  offset_ptr,
enum machine_mode  passed_mode,
tree  sizetree 
) [static]

Definition at line 5483 of file function.c.

References ADD_PARM_SIZE, BITS_PER_UNIT, GET_MODE_BITSIZE, GET_MODE_SIZE, PARM_BOUNDARY, round_up(), s2, SUB_PARM_SIZE, TREE_CODE, and TREE_INT_CST_LOW.

static void pad_to_arg_alignment ( struct args_size *  offset_ptr,
int  boundary,
struct args_size *  alignment_pad 
) [static]

Definition at line 5432 of file function.c.

References ARGS_SIZE_TREE, BITS_PER_UNIT, CEIL_ROUND, args_size::constant, FLOOR_ROUND, HOST_WIDE_INT, NULL_TREE, PARM_BOUNDARY, round_down(), round_up(), size_binop(), STACK_BOUNDARY, and args_size::var.

static void record_insns PARAMS ( (rtx, varray_type *)   )  [static]

Definition at line 286 of file function.c.

tree debug_find_var_in_block_tree PARAMS ( (tree, tree)   ) 

static tree* get_block_vector PARAMS ( (tree, int *)   )  [static]

static int all_blocks PARAMS ( (tree, tree *)   )  [static]

static void reorder_blocks_1 PARAMS ( (rtx, tree, varray_type *)   )  [static]

static void reorder_blocks_0 PARAMS ( (tree)   )  [static]

static tree* identify_blocks_1 PARAMS ( (rtx, tree *, tree *, tree *)   )  [static]

static void pad_below PARAMS ( (struct args_size *, enum machine_mode, tree)   )  [static]

static void pad_to_arg_alignment PARAMS ( (struct args_size *, int, struct args_size *)   )  [static]

static int instantiate_virtual_regs_1 PARAMS ( (rtx *, rtx, int)   )  [static]

static rtx instantiate_new_reg PARAMS ( (rtx, HOST_WIDE_INT *)   )  [static]

static void instantiate_decl PARAMS ( (rtx, HOST_WIDE_INT, int)   )  [static]

static void instantiate_decls PARAMS ( (tree, int)   )  [static]

static void optimize_bit_field PARAMS ( (rtx, rtx, rtx *)   )  [static]

static rtx fixup_stack_1 PARAMS ( (rtx, rtx)   )  [static]

static rtx fixup_memory_subreg PARAMS ( (rtx, rtx, enum machine_mode, int)   )  [static]

static void fixup_var_refs_1 PARAMS ( (rtx, enum machine_mode, rtx *, rtx, struct fixup_replacement **, rtx)   )  [static]

static void fixup_var_refs_insns_with_hash PARAMS ( (htab_t, rtx, enum machine_mode, int, rtx)   )  [static]

static void fixup_var_refs_insns PARAMS ( (rtx, rtx, enum machine_mode, int, int, rtx)   )  [static]

static struct fixup_replacement* find_fixup_replacement PARAMS ( (struct fixup_replacement **, rtx)   )  [static, read]

static void fixup_var_refs PARAMS ( (rtx, enum machine_mode, int, rtx, htab_t)   )  [static]

static void schedule_fixup_var_refs PARAMS ( (struct function *, rtx, tree, enum machine_mode, htab_t)   )  [static]

static void put_reg_into_stack PARAMS ( (struct function *, rtx, tree, enum machine_mode, enum machine_mode, int, unsigned int, int, htab_t)   )  [static]

static struct temp_slot* find_temp_slot_from_address PARAMS ( (rtx)   )  [static, read]

static rtx assign_stack_local_1 PARAMS ( (enum machine_mode, HOST_WIDE_INT, int, struct function *)   )  [static]

struct machine_function* init_machine_status PARAMS ( (void)   )  [read]

Definition at line 77 of file cplus-dem.c.

void pop_function_context ( void   ) 

Definition at line 422 of file function.c.

References current_function_decl, and pop_function_context_from().

void pop_function_context_from ( context   ) 

Definition at line 373 of file function.c.

References current_function_decl, fixup_var_refs(), function, gen_rtx_EXPR_LIST, generating_concat_p, queue(), reg_renumber, restore_emit_status(), rtx_equal_function_value_matters, and virtuals_instantiated.

void pop_temp_slots ( void   ) 

Definition at line 1316 of file function.c.

References combine_temp_slots(), temp_slot_level, and temp_slots.

static void prepare_function_start (  )  [static]

Definition at line 6245 of file function.c.

References arg_pointer_save_area, caller_save_needed, cse_not_expected, current_function_calls_alloca, current_function_calls_longjmp, current_function_calls_setjmp, current_function_cannot_inline, current_function_contains_functions, current_function_epilogue_delay_list, current_function_funcdef_no, current_function_has_computed_jump, current_function_has_nonlocal_goto, current_function_has_nonlocal_label, current_function_is_leaf, current_function_is_thunk, current_function_nothrow, current_function_outgoing_args_size, current_function_returns_pcc_struct, current_function_returns_struct, current_function_sp_is_unchanging, current_function_stdarg, current_function_uses_const_pool, current_function_uses_only_leaf_regs, current_function_uses_pic_offset_table, flag_test_coverage, frame_offset, frame_pointer_needed, funcdef_no, function, function_call_count, FUNCTION_FREQUENCY_NORMAL, generating_concat_p, ggc_alloc_cleared, inhibit_defer_pop, init_eh_for_function(), init_emit(), init_expr(), init_machine_status, init_pending_stack_adjust(), init_stmt_for_function(), init_temp_slots(), init_varasm_status(), LAST_VIRTUAL_REGISTER, max_parm_reg, nonlocal_goto_handler_labels, nonlocal_goto_handler_slots, nonlocal_goto_stack_level, nonlocal_labels, optimize, profile_arc_flag, reg_renumber, rtl_expr_chain, rtx_equal_function_value_matters, save_expr_regs, STACK_BOUNDARY, stack_slot_list, tail_recursion_label, trampoline_list, and virtuals_instantiated.

void preserve_rtl_expr_result ( rtx  x  ) 

Definition at line 1183 of file function.c.

References CONSTANT_P, find_temp_slot_from_address(), GET_CODE, MEM, MIN, temp_slot_level, and XEXP.

void preserve_temp_slots ( rtx  x  ) 

Definition at line 1114 of file function.c.

References CONSTANT_P, find_temp_slot_from_address(), GET_CODE, MEM, q, REG, REG_POINTER, temp_slot_level, temp_slots, and XEXP.

int prologue_epilogue_contains ( rtx  insn  ) 

Definition at line 7271 of file function.c.

References contains().

void purge_addressof ( rtx  insns  ) 

Definition at line 3427 of file function.c.

References abort, asm_noperands(), compute_insns_for_mem(), for_each_rtx(), GET_CODE, get_insns(), htab_create_ggc, insns_for_mem_walk_info::insn, insns_for_mem_comp(), insns_for_mem_hash(), is_addressof(), NEXT_INSN, NULL, NULL_RTX, PATTERN, purge_addressof_1(), REG_NOTE_KIND, REG_NOTES, REG_RETVAL, remove_note(), unshare_all_rtl_again(), and XEXP.

static bool purge_addressof_1 ( rtx *  loc,
rtx  insn,
int  force,
int  store,
htab_t  ht 
) [static]

Definition at line 3041 of file function.c.

References abort, ADDRESSOF, adjust_address_nv, compute_insns_for_mem(), copy_rtx(), emit_insn_after(), emit_insn_before(), end_sequence(), extract_bit_field(), force_operand(), gen_lowpart, gen_reg_rtx(), gen_rtx_EXPR_LIST, gen_rtx_SUBREG(), GET_CODE, get_insns(), GET_MODE, GET_MODE_BITSIZE, GET_MODE_SIZE, GET_RTX_FORMAT, GET_RTX_LENGTH, i, insns, int_mode_for_mode(), MEM, MEM_VOLATILE_P, NEXT_INSN, NULL_RTX, PREV_INSN, purge_addressof_1(), put_addressof_into_stack(), REG, result, RTX_CODE, rtx_equal_p(), RTX_UNCHANGING_P, SET, SET_DEST, SET_SRC, start_sequence(), store_bit_field(), sub, SUBREG_BYTE, SUBREG_REG, UNITS_PER_WORD, unshare_all_rtl_again(), val, validate_change(), validate_replace_rtx(), x, XEXP, XVECEXP, XVECLEN, and is::z.

void purge_hard_subreg_sets ( rtx  insn  ) 

Definition at line 3529 of file function.c.

References GET_CODE, INSN_P, NEXT_INSN, pattern, PATTERN, purge_single_hard_subreg_set(), SET, SET_DEST, XVECEXP, and XVECLEN.

static void purge_single_hard_subreg_set ( rtx  pattern  )  [static]

Definition at line 3496 of file function.c.

References FIRST_PSEUDO_REGISTER, gen_rtx_REG(), GET_CODE, GET_MODE, mode, offset, REG, REGNO, SET_DEST, SUBREG_BYTE, SUBREG_REG, and subreg_regno_offset().

void push_function_context ( void   ) 

Definition at line 364 of file function.c.

References current_function_decl, and push_function_context_to().

void push_function_context_to ( tree context   ) 

Definition at line 334 of file function.c.

References current_function_decl, find_function_data(), function, and init_dummy_function_start().

void push_temp_slots ( void   ) 

Definition at line 1267 of file function.c.

References temp_slot_level.

static void put_addressof_into_stack ( rtx  r,
htab_t  ht 
) [static]

Definition at line 2991 of file function.c.

References abort, ADDRESSOF_DECL, ADDRESSOF_REGNO, DECL_INITIAL, DECL_P, GET_CODE, GET_MODE, NULL_TREE, put_reg_into_stack(), REG, TREE_CODE, TREE_THIS_VOLATILE, TREE_TYPE, TREE_USED, and XEXP.

static void put_reg_into_stack ( struct function *  function,
rtx  reg,
tree  type,
enum machine_mode  promoted_mode,
enum machine_mode  decl_mode,
int  volatile_p,
unsigned int  original_regno,
int  used_p,
htab_t  ht 
) [static]

Definition at line 1492 of file function.c.

References AGGREGATE_TYPE_P, assign_stack_local_1(), func, get_alias_set(), GET_MODE_SIZE, MEM, MEM_ATTRS, MEM_IN_STRUCT_P, MEM_SET_IN_STRUCT_P, MEM_VOLATILE_P, PUT_CODE, PUT_MODE, REGNO, schedule_fixup_var_refs(), set_mem_alias_set(), and XEXP.

void put_var_into_stack ( tree  decl,
int  rescan 
)

Definition at line 1348 of file function.c.

References ADDRESSOF, CONCAT, copy_rtx(), current_function_calls_setjmp, current_function_decl, decl_function_context(), DECL_INITIAL, DECL_MODE, DECL_NONLOCAL, DECL_P, DECL_RTL_IF_SET, function, gen_mem_addressof(), GET_CODE, GET_MODE, LAST_VIRTUAL_REGISTER, MEM, MEM_ATTRS, NON_SAVING_SETJMP, NULL, optimize, PLUS, PUT_CODE, put_reg_into_stack(), REG, REGNO, SAVE_EXPR_RTL, schedule_fixup_var_refs(), SET_DECL_RTL, set_mem_attributes(), TREE_CODE, TREE_THIS_VOLATILE, TREE_TYPE, TREE_USED, TYPE_MODE, and XEXP.

static void record_insns ( rtx  insns,
varray_type *  vecp 
) [static]

Definition at line 7215 of file function.c.

References i, INSN_UID, len, NEXT_INSN, NULL_RTX, tmp, VARRAY_GROW, VARRAY_INT, and VARRAY_SIZE.

void reorder_blocks ( void   ) 

Definition at line 5960 of file function.c.

References BLOCK_CHAIN, block_stack, BLOCK_SUBBLOCKS, blocks_nreverse(), current_function_decl, DECL_INITIAL, get_insns(), NULL_TREE, reorder_blocks_0(), reorder_blocks_1(), reorder_fix_fragments(), and VARRAY_TREE_INIT.

static void reorder_blocks_0 ( tree  block  )  [static]

Definition at line 5988 of file function.c.

References BLOCK_CHAIN, BLOCK_SUBBLOCKS, reorder_blocks_0(), and TREE_ASM_WRITTEN.

static void reorder_blocks_1 ( rtx  insns,
tree  current_block,
varray_type *  p_block_stack 
) [static]

Definition at line 6000 of file function.c.

References BLOCK_CHAIN, BLOCK_FRAGMENT_CHAIN, BLOCK_FRAGMENT_ORIGIN, BLOCK_SUBBLOCKS, BLOCK_SUPERCONTEXT, blocks_nreverse(), copy_node, GET_CODE, insn, new_block, NEXT_INSN, NOTE_BLOCK, NOTE_INSN_BLOCK_BEG, NOTE_INSN_BLOCK_END, NOTE_LINE_NUMBER, PATTERN, reorder_blocks_1(), TREE_ASM_WRITTEN, VARRAY_POP, VARRAY_PUSH_TREE, VARRAY_TOP_TREE, and XEXP.

static void reorder_fix_fragments ( tree  block  )  [static]

Definition at line 6069 of file function.c.

References BLOCK_CHAIN, BLOCK_FRAGMENT_CHAIN, BLOCK_FRAGMENT_ORIGIN, BLOCK_SUBBLOCKS, NULL_TREE, reorder_fix_fragments(), and TREE_ASM_WRITTEN.

void reposition_prologue_and_epilogue_notes ( f   ) 

Definition at line 7916 of file function.c.

References contains(), f, GET_CODE, get_last_insn(), last, len, NEXT_INSN, NOTE_INSN_EPILOGUE_BEG, NOTE_INSN_PROLOGUE_END, NOTE_LINE_NUMBER, PREV_INSN, reorder_insns(), and VARRAY_SIZE.

static rtx round_trampoline_addr ( rtx  tramp  )  [static]

Definition at line 5818 of file function.c.

References addend, AND, BITS_PER_UNIT, expand_simple_binop(), GEN_INT, gen_reg_rtx(), OPTAB_LIB_WIDEN, PLUS, Pmode, and TRAMPOLINE_ALIGNMENT.

static void schedule_fixup_var_refs ( struct function *  function,
rtx  reg,
tree  type,
enum machine_mode  promoted_mode,
htab_t  ht 
) [static]

Definition at line 1544 of file function.c.

References fixup_var_refs(), ggc_alloc, and TREE_UNSIGNED.

void setjmp_args_warning ( void   ) 

Definition at line 5558 of file function.c.

References current_function_decl, DECL_ARGUMENTS, DECL_RTL, GET_CODE, REG, REGNO, regno_clobbered_at_setjmp(), and TREE_CHAIN.

void setjmp_protect ( tree  block  ) 

Definition at line 5574 of file function.c.

References ADDRESSOF, BLOCK_SUBBLOCKS, BLOCK_VARS, DECL_FROM_INLINE, DECL_REGISTER, DECL_RTL, GET_CODE, MEM, NON_SAVING_SETJMP, put_var_into_stack(), REG, setjmp_protect(), sub, TREE_CHAIN, TREE_CODE, and XEXP.

void setjmp_protect_args (  ) 

Definition at line 5607 of file function.c.

References ADDRESSOF, current_function_decl, DECL_ARGUMENTS, DECL_REGISTER, DECL_RTL, GET_CODE, MEM, NON_SAVING_SETJMP, put_var_into_stack(), REG, TREE_CHAIN, TREE_CODE, and XEXP.

int sibcall_epilogue_contains ( rtx  insn  ) 

Definition at line 7282 of file function.c.

References contains().

void thread_prologue_and_epilogue_insns ( f   ) 

Definition at line 7622 of file function.c.

References abort, active_insn_p(), commit_edge_insertions(), condjump_p(), current_function_decl, delete_insn(), EDGE_FAKE, EDGE_FALLTHRU, emit_barrier_after(), emit_insn(), emit_insn_before(), emit_jump_insn(), emit_line_note_after(), emit_note(), basic_block_def::end, end_sequence(), ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR, edge::flags, gen_epilogue(), gen_prologue(), gen_sibcall_epilogue(), GET_CODE, get_insns(), get_last_insn(), HAVE_epilogue, HAVE_prologue, HAVE_return, basic_block_def::head, i, insert_insn_on_edge(), jump, JUMP_LABEL, last, next_active_insn(), NEXT_INSN, NOTE_INSN_EPILOGUE_BEG, NOTE_INSN_PROLOGUE_END, NOTE_LINE_NUMBER, NOTE_SOURCE_FILE, NULL, NULL_RTX, optimize, basic_block_def::pred, edge::pred_next, prev, PREV_INSN, record_insns(), redirect_edge_succ(), redirect_jump(), reorder_insns(), SIBLING_CALL_P, simplejump_p(), edge::src, start_sequence(), basic_block_def::succ, edge::succ_next, TREE_CODE, TREE_TYPE, and TYPE_RETURNS_STACK_DEPRESSED.

rtx trampoline_address ( tree  function  ) 

Definition at line 5745 of file function.c.

References adjust_trampoline_addr(), assign_stack_local_1(), current_function_decl, decl_function_context(), find_function_data(), fix_lexical_addr(), fp, make_node, RTL_EXPR_RTL, trampoline_list, TRAMPOLINE_REAL_SIZE, TREE_CHAIN, tree_cons, TREE_PURPOSE, TREE_VALUE, and XEXP.

void uninitialized_vars_warning ( tree  block  ) 

Definition at line 5516 of file function.c.

References AGGREGATE_TYPE_P, BLOCK_SUBBLOCKS, BLOCK_VARS, DECL_INITIAL, DECL_RTL, extra_warnings, GET_CODE, NULL_TREE, REG, REGNO, regno_clobbered_at_setjmp(), regno_uninitialized(), sub, TREE_CHAIN, TREE_CODE, TREE_TYPE, uninitialized_vars_warning(), and warn_uninitialized.

void update_temp_slot_address ( rtx  old,
rtx  new 
)

Definition at line 1029 of file function.c.

References find_temp_slot_from_address(), gen_rtx_EXPR_LIST, GET_CODE, NULL_RTX, PLUS, REG, rtx_equal_p(), update_temp_slot_address(), and XEXP.

void use_return_register ( void   ) 

Definition at line 6834 of file function.c.

References diddle_return_value(), do_use_return_reg(), and NULL.

static rtx walk_fixup_memory_subreg ( rtx  x,
rtx  insn,
enum machine_mode  promoted_mode,
int  uncritical 
) [static]

Definition at line 2598 of file function.c.

References fixup_memory_subreg(), GET_CODE, GET_RTX_FORMAT, GET_RTX_LENGTH, i, MEM, SUBREG_REG, walk_fixup_memory_subreg(), XEXP, XVECEXP, and XVECLEN.

Variable Documentation

int cfa_offset [static]

Definition at line 2872 of file function.c.

struct function* cfun = 0

Definition at line 150 of file function.c.

int current_function_is_leaf

Definition at line 113 of file function.c.

int current_function_nothrow

Definition at line 118 of file function.c.

int current_function_sp_is_unchanging

Definition at line 123 of file function.c.

int current_function_uses_only_leaf_regs

Definition at line 128 of file function.c.

int dynamic_offset [static]

Definition at line 2870 of file function.c.

int funcdef_no [static]

Definition at line 140 of file function.c.

int in_arg_offset [static]

Definition at line 2868 of file function.c.

tree inline_function_decl

Definition at line 147 of file function.c.

int next_block_index = 2 [static]

Definition at line 6187 of file function.c.

int out_arg_offset [static]

Definition at line 2871 of file function.c.

rtx purge_addressof_replacements [static]

Definition at line 3033 of file function.c.

rtx purge_bitfield_addressof_replacements [static]

Definition at line 3025 of file function.c.

int trampolines_created

Definition at line 137 of file function.c.

int var_offset [static]

Definition at line 2869 of file function.c.

int virtuals_instantiated

Definition at line 134 of file function.c.

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