GCC Middle and Back End API Reference
Functions
hooks.h File Reference
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Functions

bool hook_bool_void_false (void)
 
bool hook_bool_void_true (void)
 
bool hook_bool_bool_false (bool)
 
bool hook_bool_bool_gcc_optionsp_false (bool, struct gcc_options *)
 
bool hook_bool_dwcfi_dwcfioprndtyperef_false (dwarf_call_frame_info, dw_cfi_oprnd_type &)
 
bool hook_bool_FILEptr_dwcfiptr_false (FILE *, dw_cfi_ref)
 
bool hook_bool_const_int_const_int_true (const int, const int)
 
bool hook_bool_mode_false (machine_mode)
 
bool hook_bool_mode_true (machine_mode)
 
bool hook_bool_mode_mode_true (machine_mode, machine_mode)
 
bool hook_bool_mode_const_rtx_false (machine_mode, const_rtx)
 
bool hook_bool_mode_const_rtx_true (machine_mode, const_rtx)
 
bool hook_bool_mode_rtx_false (machine_mode, rtx)
 
bool hook_bool_mode_rtx_true (machine_mode, rtx)
 
bool hook_bool_const_rtx_insn_const_rtx_insn_true (const rtx_insn *, const rtx_insn *)
 
bool hook_bool_mode_uhwi_false (machine_mode, unsigned HOST_WIDE_INT)
 
bool hook_bool_puint64_puint64_true (poly_uint64, poly_uint64)
 
bool hook_bool_uint_uint_mode_false (unsigned int, unsigned int, machine_mode)
 
bool hook_bool_uint_mode_true (unsigned int, machine_mode)
 
bool hook_bool_tree_false (tree)
 
bool hook_bool_const_tree_false (const_tree)
 
bool hook_bool_const_tree_const_tree_true (const_tree, const_tree)
 
bool hook_bool_tree_true (tree)
 
bool hook_bool_const_tree_true (const_tree)
 
bool hook_bool_gsiptr_false (gimple_stmt_iterator *)
 
bool hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree, HOST_WIDE_INT, HOST_WIDE_INT, const_tree)
 
bool hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree, HOST_WIDE_INT, HOST_WIDE_INT, const_tree)
 
bool hook_bool_rtx_insn_true (rtx_insn *)
 
bool hook_bool_rtx_false (rtx)
 
bool hook_bool_rtx_insn_int_false (rtx_insn *, int)
 
bool hook_bool_uintp_uintp_false (unsigned int *, unsigned int *)
 
bool hook_bool_reg_class_t_false (reg_class_t regclass)
 
bool hook_bool_mode_mode_reg_class_t_true (machine_mode, machine_mode, reg_class_t)
 
bool hook_bool_mode_reg_class_t_reg_class_t_false (machine_mode, reg_class_t, reg_class_t)
 
bool hook_bool_rtx_mode_int_int_intp_bool_false (rtx, machine_mode, int, int, int *, bool)
 
bool hook_bool_tree_tree_false (tree, tree)
 
bool hook_bool_tree_tree_true (tree, tree)
 
bool hook_bool_tree_bool_false (tree, bool)
 
bool hook_bool_wint_wint_uint_bool_true (const widest_int &, const widest_int &, unsigned int, bool)
 
void hook_void_void (void)
 
void hook_void_constcharptr (const char *)
 
void hook_void_rtx_insn_int (rtx_insn *, int)
 
void hook_void_FILEptr_constcharptr (FILE *, const char *)
 
void hook_void_FILEptr_constcharptr_const_tree (FILE *, const char *, const_tree)
 
bool hook_bool_FILEptr_rtx_false (FILE *, rtx)
 
void hook_void_FILEptr_tree (FILE *, tree)
 
void hook_void_tree (tree)
 
void hook_void_tree_treeptr (tree, tree *)
 
void hook_void_int_int (int, int)
 
void hook_void_gcc_optionsp (struct gcc_options *)
 
bool hook_bool_uint_true (unsigned int)
 
bool hook_bool_uint_uintp_false (unsigned int, unsigned int *)
 
int hook_int_uint_mode_1 (unsigned int, machine_mode)
 
int hook_int_const_tree_0 (const_tree)
 
int hook_int_const_tree_const_tree_1 (const_tree, const_tree)
 
int hook_int_rtx_0 (rtx)
 
int hook_int_rtx_1 (rtx)
 
int hook_int_rtx_insn_0 (rtx_insn *)
 
int hook_int_rtx_insn_unreachable (rtx_insn *)
 
int hook_int_rtx_bool_0 (rtx, bool)
 
int hook_int_rtx_mode_as_bool_0 (rtx, machine_mode, addr_space_t, bool)
 
HOST_WIDE_INT hook_hwi_void_0 (void)
 
tree hook_tree_const_tree_null (const_tree)
 
tree hook_tree_void_null (void)
 
tree hook_tree_tree_bool_null (tree, bool)
 
tree hook_tree_tree_tree_null (tree, tree)
 
tree hook_tree_tree_tree_tree_null (tree, tree, tree)
 
tree hook_tree_tree_int_treep_bool_null (tree, int, tree *, bool)
 
tree hook_tree_treeptr_tree_tree_int_boolptr_null (tree *, tree, tree, int, bool *)
 
unsigned hook_uint_void_0 (void)
 
unsigned int hook_uint_mode_0 (machine_mode)
 
bool default_can_output_mi_thunk_no_vcall (const_tree, HOST_WIDE_INT, HOST_WIDE_INT, const_tree)
 
rtx hook_rtx_rtx_identity (rtx)
 
rtx hook_rtx_rtx_null (rtx)
 
rtx hook_rtx_tree_int_null (tree, int)
 
char * hook_charptr_void_null (void)
 
const char * hook_constcharptr_void_null (void)
 
const char * hook_constcharptr_const_tree_null (const_tree)
 
const char * hook_constcharptr_const_rtx_insn_null (const rtx_insn *)
 
const char * hook_constcharptr_const_tree_const_tree_null (const_tree, const_tree)
 
const char * hook_constcharptr_int_const_tree_null (int, const_tree)
 
const char * hook_constcharptr_int_const_tree_const_tree_null (int, const_tree, const_tree)
 
opt_machine_mode hook_optmode_mode_uhwi_none (machine_mode, unsigned HOST_WIDE_INT)
 

Function Documentation

◆ default_can_output_mi_thunk_no_vcall()

bool default_can_output_mi_thunk_no_vcall ( const_tree ,
HOST_WIDE_INT ,
HOST_WIDE_INT c,
const_tree  )
extern

◆ hook_bool_bool_false()

bool hook_bool_bool_false ( bool )
extern 
Generic hook that takes (bool) and returns false.

◆ hook_bool_bool_gcc_optionsp_false()

bool hook_bool_bool_gcc_optionsp_false ( bool ,
struct gcc_options *  )
extern 
Generic hook that takes (bool, struct gcc_options *) and returns false.

◆ hook_bool_const_int_const_int_true()

bool hook_bool_const_int_const_int_true ( const int ,
const int  )
extern 
Generic hook that takes const int, const int) and returns true.

◆ hook_bool_const_rtx_insn_const_rtx_insn_true()

bool hook_bool_const_rtx_insn_const_rtx_insn_true ( const rtx_insn * ,
const rtx_insn *  )
extern 
Generic hook that takes (const rtx_insn *, const rtx_insn *) and returns true.

◆ hook_bool_const_tree_const_tree_true()

bool hook_bool_const_tree_const_tree_true ( const_tree ,
const_tree  )
extern

◆ hook_bool_const_tree_false()

bool hook_bool_const_tree_false ( const_tree )
extern

◆ hook_bool_const_tree_hwi_hwi_const_tree_false()

bool hook_bool_const_tree_hwi_hwi_const_tree_false ( const_tree ,
HOST_WIDE_INT ,
HOST_WIDE_INT ,
const_tree  )
extern 
Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook.

◆ hook_bool_const_tree_hwi_hwi_const_tree_true()

bool hook_bool_const_tree_hwi_hwi_const_tree_true ( const_tree ,
HOST_WIDE_INT ,
HOST_WIDE_INT ,
const_tree  )
extern

◆ hook_bool_const_tree_true()

bool hook_bool_const_tree_true ( const_tree )
extern

◆ hook_bool_dwcfi_dwcfioprndtyperef_false()

bool hook_bool_dwcfi_dwcfioprndtyperef_false ( dwarf_call_frame_info ,
dw_cfi_oprnd_type &  )
extern 
Generic hook that takes (dwarf_call_frame_info, dw_cfi_oprnd_type &) and
return false.

◆ hook_bool_FILEptr_dwcfiptr_false()

bool hook_bool_FILEptr_dwcfiptr_false ( FILE * ,
dw_cfi_ref  )
extern 
Generic hook that takes (FILE *, dw_cfi_ref) and return false.

◆ hook_bool_FILEptr_rtx_false()

bool hook_bool_FILEptr_rtx_false ( FILE * ,
rtx  )
extern 
Generic hook that takes (FILE *, rtx) and returns false.

◆ hook_bool_gsiptr_false()

bool hook_bool_gsiptr_false ( gimple_stmt_iterator * )
extern 
Generic hook that takes (gimple_stmt_iterator *) and returns
false.

◆ hook_bool_mode_const_rtx_false()

bool hook_bool_mode_const_rtx_false ( machine_mode ,
const_rtx  )
extern 
Generic hook that takes (machine_mode, const_rtx) and returns false.

◆ hook_bool_mode_const_rtx_true()

bool hook_bool_mode_const_rtx_true ( machine_mode ,
const_rtx  )
extern 
Generic hook that takes (machine_mode, const_rtx) and returns true.

◆ hook_bool_mode_false()

bool hook_bool_mode_false ( machine_mode )
extern 
Generic hook that takes (machine_mode) and returns false.

◆ hook_bool_mode_mode_reg_class_t_true()

bool hook_bool_mode_mode_reg_class_t_true ( machine_mode ,
machine_mode ,
reg_class_t  )
extern 
Generic hook that takes 2 machine_modes and a register class and
returns true.

◆ hook_bool_mode_mode_true()

bool hook_bool_mode_mode_true ( machine_mode ,
machine_mode  )
extern 
Generic hook that takes (machine_mode, machine_mode) and returns true.

◆ hook_bool_mode_reg_class_t_reg_class_t_false()

bool hook_bool_mode_reg_class_t_reg_class_t_false ( machine_mode ,
reg_class_t ,
reg_class_t  )
extern 
Generic hook that takes a machine_mode and 2 register classes
and returns false.

Referenced by combine_reload_insn().

◆ hook_bool_mode_rtx_false()

bool hook_bool_mode_rtx_false ( machine_mode ,
rtx  )
extern 
Generic hook that takes (machine_mode, rtx) and returns false.

◆ hook_bool_mode_rtx_true()

bool hook_bool_mode_rtx_true ( machine_mode ,
rtx  )
extern 
Generic hook that takes (machine_mode, rtx) and returns true.

◆ hook_bool_mode_true()

bool hook_bool_mode_true ( machine_mode )
extern 
Generic hook that takes (machine_mode) and returns true.

◆ hook_bool_mode_uhwi_false()

bool hook_bool_mode_uhwi_false ( machine_mode ,
unsigned HOST_WIDE_INT )
extern 
Generic hook that takes (machine_mode, unsigned HOST_WIDE_INT)
and returns false.

◆ hook_bool_puint64_puint64_true()

bool hook_bool_puint64_puint64_true ( poly_uint64 ,
poly_uint64  )
extern 
Generic hook that takes (poly_uint64, poly_uint64) and returns true.

◆ hook_bool_reg_class_t_false()

bool hook_bool_reg_class_t_false ( reg_class_t regclass)
extern 
Generic hook that takes a register class and returns false.

References regclass().

◆ hook_bool_rtx_false()

bool hook_bool_rtx_false ( rtx )
extern

◆ hook_bool_rtx_insn_int_false()

bool hook_bool_rtx_insn_int_false ( rtx_insn * ,
int  )
extern 
Generic hook that takes a rtx_insn * and an int and returns a bool.

◆ hook_bool_rtx_insn_true()

bool hook_bool_rtx_insn_true ( rtx_insn * )
extern

◆ hook_bool_rtx_mode_int_int_intp_bool_false()

bool hook_bool_rtx_mode_int_int_intp_bool_false ( rtx ,
machine_mode ,
int ,
int ,
int * ,
bool  )
extern

◆ hook_bool_tree_bool_false()

bool hook_bool_tree_bool_false ( tree ,
bool  )
extern

◆ hook_bool_tree_false()

bool hook_bool_tree_false ( tree )
extern

◆ hook_bool_tree_tree_false()

bool hook_bool_tree_tree_false ( tree ,
tree  )
extern

◆ hook_bool_tree_tree_true()

bool hook_bool_tree_tree_true ( tree ,
tree  )
extern

◆ hook_bool_tree_true()

bool hook_bool_tree_true ( tree )
extern

◆ hook_bool_uint_mode_true()

bool hook_bool_uint_mode_true ( unsigned int ,
machine_mode  )
extern 
Generic hook that takes (unsigned int, machine_mode) and returns true.

◆ hook_bool_uint_true()

bool hook_bool_uint_true ( unsigned int )
extern 
Generic hook that takes an unsigned int and returns true.

◆ hook_bool_uint_uint_mode_false()

bool hook_bool_uint_uint_mode_false ( unsigned int ,
unsigned int ,
machine_mode  )
extern

◆ hook_bool_uint_uintp_false()

bool hook_bool_uint_uintp_false ( unsigned int ,
unsigned int *  )
extern 
Generic hook that takes an unsigned int, an unsigned int pointer and
returns false.

◆ hook_bool_uintp_uintp_false()

bool hook_bool_uintp_uintp_false ( unsigned int * ,
unsigned int *  )
extern

◆ hook_bool_void_false()

bool hook_bool_void_false ( void )
extern 
General-purpose hooks.
Copyright (C) 2002-2025 Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.

In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them.   Help stamp out software-hoarding!   
Generic hook that takes no arguments and returns false.

◆ hook_bool_void_true()

bool hook_bool_void_true ( void )
extern 
Generic hook that takes no arguments and returns true.

◆ hook_bool_wint_wint_uint_bool_true()

bool hook_bool_wint_wint_uint_bool_true ( const widest_int & ,
const widest_int & ,
unsigned int ,
bool  )
extern

◆ hook_charptr_void_null()

char * hook_charptr_void_null ( void )
extern 
Generic hook that takes no arguments and returns a NULL string.

References NULL.

◆ hook_constcharptr_const_rtx_insn_null()

const char * hook_constcharptr_const_rtx_insn_null ( const rtx_insn * )
extern 
Generic hook that takes an rtx_insn *and returns a NULL string.

References NULL.

◆ hook_constcharptr_const_tree_const_tree_null()

const char * hook_constcharptr_const_tree_const_tree_null ( const_tree ,
const_tree  )
extern

References NULL.

◆ hook_constcharptr_const_tree_null()

const char * hook_constcharptr_const_tree_null ( const_tree )
extern 
Generic hook that takes a tree and returns a NULL string.

References NULL.

◆ hook_constcharptr_int_const_tree_const_tree_null()

const char * hook_constcharptr_int_const_tree_const_tree_null ( int ,
const_tree ,
const_tree  )
extern

References NULL.

◆ hook_constcharptr_int_const_tree_null()

const char * hook_constcharptr_int_const_tree_null ( int ,
const_tree  )
extern

References NULL.

◆ hook_constcharptr_void_null()

const char * hook_constcharptr_void_null ( void )
extern 
Generic hook that takes no arguments and returns a NULL const string.

References NULL.

◆ hook_hwi_void_0()

HOST_WIDE_INT hook_hwi_void_0 ( void )
extern

◆ hook_int_const_tree_0()

int hook_int_const_tree_0 ( const_tree )
extern

◆ hook_int_const_tree_const_tree_1()

int hook_int_const_tree_const_tree_1 ( const_tree ,
const_tree  )
extern 
??? Used for comp_type_attributes, which ought to return bool.

◆ hook_int_rtx_0()

int hook_int_rtx_0 ( rtx )
extern

◆ hook_int_rtx_1()

int hook_int_rtx_1 ( rtx )
extern

◆ hook_int_rtx_bool_0()

int hook_int_rtx_bool_0 ( rtx ,
bool  )
extern

◆ hook_int_rtx_insn_0()

int hook_int_rtx_insn_0 ( rtx_insn * )
extern

◆ hook_int_rtx_insn_unreachable()

int hook_int_rtx_insn_unreachable ( rtx_insn * )
extern

References gcc_unreachable.

◆ hook_int_rtx_mode_as_bool_0()

int hook_int_rtx_mode_as_bool_0 ( rtx ,
machine_mode ,
addr_space_t ,
bool  )
extern

◆ hook_int_uint_mode_1()

int hook_int_uint_mode_1 ( unsigned int ,
machine_mode  )
extern

◆ hook_optmode_mode_uhwi_none()

opt_machine_mode hook_optmode_mode_uhwi_none ( machine_mode ,
unsigned HOST_WIDE_INT )
extern 
Generic hook that takes a mode and an unsigned HOST_WIDE_INT and
returns no mode.

◆ hook_rtx_rtx_identity()

rtx hook_rtx_rtx_identity ( rtx x)
extern 
Generic hook that takes an rtx and returns it.

◆ hook_rtx_rtx_null()

rtx hook_rtx_rtx_null ( rtx )
extern 
Generic hook that takes an rtx and returns NULL_RTX.

References NULL.

◆ hook_rtx_tree_int_null()

rtx hook_rtx_tree_int_null ( tree ,
int  )
extern 
Generic hook that takes a tree and an int and returns NULL_RTX.

References NULL.

◆ hook_tree_const_tree_null()

tree hook_tree_const_tree_null ( const_tree )
extern 
Generic hook that takes a const_tree and returns NULL_TREE.

References NULL.

◆ hook_tree_tree_bool_null()

tree hook_tree_tree_bool_null ( tree ,
bool  )
extern

References NULL.

◆ hook_tree_tree_int_treep_bool_null()

tree hook_tree_tree_int_treep_bool_null ( tree ,
int ,
tree * ,
bool  )
extern

References NULL.

◆ hook_tree_tree_tree_null()

tree hook_tree_tree_tree_null ( tree ,
tree  )
extern

References NULL.

◆ hook_tree_tree_tree_tree_null()

tree hook_tree_tree_tree_tree_null ( tree ,
tree ,
tree  )
extern

References NULL.

◆ hook_tree_treeptr_tree_tree_int_boolptr_null()

tree hook_tree_treeptr_tree_tree_int_boolptr_null ( tree * ,
tree ,
tree ,
int ,
bool *  )
extern

References NULL.

◆ hook_tree_void_null()

tree hook_tree_void_null ( void )
extern 
Generic hook that takes no arguments and returns a NULL_TREE.

References NULL.

◆ hook_uint_mode_0()

unsigned int hook_uint_mode_0 ( machine_mode )
extern 
Generic hook that takes a machine mode and returns an unsigned int 0.

◆ hook_uint_void_0()

unsigned hook_uint_void_0 ( void )
extern

◆ hook_void_constcharptr()

void hook_void_constcharptr ( const char * )
extern

◆ hook_void_FILEptr_constcharptr()

void hook_void_FILEptr_constcharptr ( FILE * ,
const char *  )
extern 
Generic hook that takes (FILE *, const char *) and does nothing.

◆ hook_void_FILEptr_constcharptr_const_tree()

void hook_void_FILEptr_constcharptr_const_tree ( FILE * ,
const char * ,
const_tree  )
extern 
Generic hook that takes (FILE *, const char *, constr_tree *) and does
nothing.

◆ hook_void_FILEptr_tree()

void hook_void_FILEptr_tree ( FILE * ,
tree  )
extern

◆ hook_void_gcc_optionsp()

void hook_void_gcc_optionsp ( struct gcc_options * )
extern 
Generic hook that takes a struct gcc_options * and returns void.

◆ hook_void_int_int()

void hook_void_int_int ( int ,
int  )
extern

◆ hook_void_rtx_insn_int()

void hook_void_rtx_insn_int ( rtx_insn * ,
int  )
extern 
Generic hook that takes a rtx_insn * and an int and returns void.

◆ hook_void_tree()

void hook_void_tree ( tree )
extern

◆ hook_void_tree_treeptr()

void hook_void_tree_treeptr ( tree ,
tree *  )
extern

◆ hook_void_void()

void hook_void_void ( void )
extern 
General-purpose hooks.
Copyright (C) 2002-2025 Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.

In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them.   Help stamp out software-hoarding!   
This file contains generic hooks that can be used as defaults for
target or language-dependent hook initializers.   
Generic hook that does absolutely zappo.