/* General-purpose hooks.
- Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2002-2021 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 2, or (at your option) any
-later version.
+ 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.
+ 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; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ 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! */
+ 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. */
return true;
}
-/* Generic hook that takes no arguments and returns NO_REGS. */
-int
-hook_int_void_no_regs (void)
+/* Generic hook that takes (bool) and returns false. */
+bool
+hook_bool_bool_false (bool)
{
- return NO_REGS;
+ return false;
}
-/* Generic hook that takes (bool) and returns false. */
+/* Generic hook that takes (bool, struct gcc_options *) and returns false. */
+bool
+hook_bool_bool_gcc_optionsp_false (bool, struct gcc_options *)
+{
+ return false;
+}
+
+/* Generic hook that takes const int, const int) and returns true. */
+bool hook_bool_const_int_const_int_true (const int, const int)
+{
+ return true;
+}
+
+/* Generic hook that takes (machine_mode) and returns false. */
+bool
+hook_bool_mode_false (machine_mode)
+{
+ return false;
+}
+
+/* Generic hook that takes (machine_mode) and returns true. */
+bool
+hook_bool_mode_true (machine_mode)
+{
+ return true;
+}
+
+/* Generic hook that takes (machine_mode, machine_mode) and returns true. */
+bool
+hook_bool_mode_mode_true (machine_mode, machine_mode)
+{
+ return true;
+}
+
+/* Generic hook that takes (machine_mode, const_rtx) and returns false. */
+bool
+hook_bool_mode_const_rtx_false (machine_mode, const_rtx)
+{
+ return false;
+}
+
+/* Generic hook that takes (machine_mode, const_rtx) and returns true. */
+bool
+hook_bool_mode_const_rtx_true (machine_mode, const_rtx)
+{
+ return true;
+}
+
+/* Generic hook that takes (machine_mode, rtx) and returns false. */
+bool
+hook_bool_mode_rtx_false (machine_mode, rtx)
+{
+ return false;
+}
+
+/* Generic hook that takes (machine_mode, rtx) and returns true. */
+bool
+hook_bool_mode_rtx_true (machine_mode, rtx)
+{
+ return true;
+}
+
+/* Generic hook that takes (const rtx_insn *, const rtx_insn *) and returns true. */
+bool
+hook_bool_const_rtx_insn_const_rtx_insn_true (const rtx_insn *,
+ const rtx_insn *)
+{
+ return true;
+}
+
+/* Generic hook that takes (machine_mode, unsigned HOST_WIDE_INT)
+ and returns false. */
bool
-hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)
+hook_bool_mode_uhwi_false (machine_mode, unsigned HOST_WIDE_INT)
{
return false;
}
-/* Generic hook that takes (enum machine_mode) and returns false. */
+/* Generic hook that takes (poly_uint64, poly_uint64) and returns true. */
+bool
+hook_bool_puint64_puint64_true (poly_uint64, poly_uint64)
+{
+ return true;
+}
+
bool
-hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED)
+hook_bool_uint_uint_mode_false (unsigned int, unsigned int, machine_mode)
{
return false;
}
+/* Generic hook that takes (unsigned int, machine_mode) and returns true. */
+bool
+hook_bool_uint_mode_true (unsigned int, machine_mode)
+{
+ return true;
+}
+
/* Generic hook that takes (FILE *, const char *) and does nothing. */
void
-hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED)
+hook_void_FILEptr_constcharptr (FILE *, const char *)
{
}
-/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
+/* Generic hook that takes (FILE *, const char *, constr_tree *) and does
+ nothing. */
+void
+hook_void_FILEptr_constcharptr_const_tree (FILE *, const char *, const_tree)
+{
+}
+
+/* Generic hook that takes (FILE *, rtx) and returns false. */
bool
-hook_bool_tree_hwi_hwi_tree_false (tree a ATTRIBUTE_UNUSED,
- HOST_WIDE_INT b ATTRIBUTE_UNUSED,
- HOST_WIDE_INT c ATTRIBUTE_UNUSED,
- tree d ATTRIBUTE_UNUSED)
+hook_bool_FILEptr_rtx_false (FILE *, rtx)
{
return false;
}
+/* Generic hook that takes (gimple_stmt_iterator *) and returns
+ false. */
bool
-hook_bool_tree_hwi_hwi_tree_true (tree a ATTRIBUTE_UNUSED,
- HOST_WIDE_INT b ATTRIBUTE_UNUSED,
- HOST_WIDE_INT c ATTRIBUTE_UNUSED,
- tree d ATTRIBUTE_UNUSED)
+hook_bool_gsiptr_false (gimple_stmt_iterator *)
{
- return true;
+ return false;
}
+/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
bool
-hook_bool_constcharptr_size_t_false (const char *a ATTRIBUTE_UNUSED,
- size_t b ATTRIBUTE_UNUSED)
+hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree, HOST_WIDE_INT,
+ HOST_WIDE_INT, const_tree)
{
return false;
}
bool
-hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED,
- const char *b ATTRIBUTE_UNUSED,
- int c ATTRIBUTE_UNUSED)
+hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree, HOST_WIDE_INT,
+ HOST_WIDE_INT, const_tree)
{
return true;
}
bool
-default_can_output_mi_thunk_no_vcall (tree a ATTRIBUTE_UNUSED,
- HOST_WIDE_INT b ATTRIBUTE_UNUSED,
- HOST_WIDE_INT c,
- tree d ATTRIBUTE_UNUSED)
+default_can_output_mi_thunk_no_vcall (const_tree, HOST_WIDE_INT,
+ HOST_WIDE_INT c, const_tree)
{
return c == 0;
}
int
-hook_int_tree_0 (tree a ATTRIBUTE_UNUSED)
+hook_int_uint_mode_1 (unsigned int, machine_mode)
+{
+ return 1;
+}
+
+int
+hook_int_const_tree_0 (const_tree)
{
return 0;
}
/* ??? Used for comp_type_attributes, which ought to return bool. */
int
-hook_int_tree_tree_1 (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
+hook_int_const_tree_const_tree_1 (const_tree, const_tree)
+{
+ return 1;
+}
+
+int
+hook_int_rtx_0 (rtx)
+{
+ return 0;
+}
+
+int
+hook_int_rtx_1 (rtx)
{
return 1;
}
int
-hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
+hook_int_rtx_insn_0 (rtx_insn *)
+{
+ return 0;
+}
+
+int
+hook_int_rtx_insn_unreachable (rtx_insn *)
+{
+ gcc_unreachable ();
+}
+
+int
+hook_int_rtx_bool_0 (rtx, bool)
{
return 0;
}
int
-hook_int_size_t_constcharptr_int_0 (size_t a ATTRIBUTE_UNUSED,
- const char *b ATTRIBUTE_UNUSED,
- int c ATTRIBUTE_UNUSED)
+hook_int_rtx_mode_as_bool_0 (rtx, machine_mode, addr_space_t, bool)
{
return 0;
}
unsigned int
-hook_uint_uint_constcharptrptr_0 (unsigned int a ATTRIBUTE_UNUSED,
- const char **b ATTRIBUTE_UNUSED)
+hook_uint_void_0 (void)
{
return 0;
}
+HOST_WIDE_INT
+hook_hwi_void_0 (void)
+{
+ return 0;
+}
+
+void
+hook_void_tree (tree)
+{
+}
+
+void
+hook_void_FILEptr_tree (FILE *, tree)
+{
+}
+
+void
+hook_void_rtx_tree (rtx, tree)
+{
+}
+
void
-hook_void_tree (tree a ATTRIBUTE_UNUSED)
+hook_void_constcharptr (const char *)
{
}
void
-hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
+hook_void_tree_treeptr (tree, tree *)
{
}
void
-hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
+hook_void_int_int (int, int)
+{
+}
+
+bool
+hook_bool_tree_false (tree)
+{
+ return false;
+}
+
+bool
+hook_bool_const_tree_false (const_tree)
+{
+ return false;
+}
+
+bool
+hook_bool_const_tree_const_tree_true (const_tree, const_tree)
+{
+ return true;
+}
+
+bool
+hook_bool_tree_true (tree)
+{
+ return true;
+}
+
+bool
+hook_bool_const_tree_true (const_tree)
{
+ return true;
}
bool
-hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
+hook_bool_tree_tree_false (tree, tree)
{
return false;
}
bool
-hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
+hook_bool_tree_tree_true (tree, tree)
{
return true;
}
bool
-hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
+hook_bool_tree_bool_false (tree, bool)
{
return false;
}
bool
-hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
+hook_bool_rtx_insn_true (rtx_insn *)
+{
+ return true;
+}
+
+bool
+hook_bool_rtx_false (rtx)
{
return false;
}
bool
-hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED,
- unsigned int *b ATTRIBUTE_UNUSED)
+hook_bool_uintp_uintp_false (unsigned int *, unsigned int *)
{
return false;
}
bool
-hook_bool_rtx_int_int_intp_false (rtx a ATTRIBUTE_UNUSED,
- int b ATTRIBUTE_UNUSED,
- int c ATTRIBUTE_UNUSED,
- int *d ATTRIBUTE_UNUSED)
+hook_bool_rtx_mode_int_int_intp_bool_false (rtx, machine_mode, int, int,
+ int *, bool)
{
return false;
}
+bool
+hook_bool_wint_wint_uint_bool_true (const widest_int &, const widest_int &,
+ unsigned int, bool)
+{
+ return true;
+}
+
/* Generic hook that takes an rtx and returns it. */
rtx
hook_rtx_rtx_identity (rtx x)
/* Generic hook that takes an rtx and returns NULL_RTX. */
rtx
-hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
+hook_rtx_rtx_null (rtx)
{
return NULL;
}
/* Generic hook that takes a tree and an int and returns NULL_RTX. */
rtx
-hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
+hook_rtx_tree_int_null (tree, int)
{
return NULL;
}
-/* Generic hook that takes three trees and returns the last one as is. */
-tree
-hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED,
- tree b ATTRIBUTE_UNUSED, tree c)
+/* Generic hook that takes a machine mode and returns an unsigned int 0. */
+unsigned int
+hook_uint_mode_0 (machine_mode)
+{
+ return 0;
+}
+
+/* Generic hook that takes no arguments and returns a NULL const string. */
+const char *
+hook_constcharptr_void_null (void)
+{
+ return NULL;
+}
+
+/* Generic hook that takes no arguments and returns a NULL string. */
+char *
+hook_charptr_void_null (void)
{
- return c;
+ return NULL;
}
/* Generic hook that takes a tree and returns a NULL string. */
const char *
-hook_constcharptr_tree_null (tree t ATTRIBUTE_UNUSED)
+hook_constcharptr_const_tree_null (const_tree)
+{
+ return NULL;
+}
+
+tree
+hook_tree_tree_int_treep_bool_null (tree, int, tree *, bool)
+{
+ return NULL;
+}
+
+tree
+hook_tree_tree_bool_null (tree, bool)
+{
+ return NULL;
+}
+
+tree
+hook_tree_tree_tree_null (tree, tree)
+{
+ return NULL;
+}
+
+tree
+hook_tree_tree_tree_tree_null (tree, tree, tree)
+{
+ return NULL;
+}
+
+tree
+hook_tree_treeptr_tree_tree_int_boolptr_null (tree *, tree, tree, int, bool *)
+{
+ return NULL;
+}
+
+/* Generic hook that takes an rtx_insn *and returns a NULL string. */
+const char *
+hook_constcharptr_const_rtx_insn_null (const rtx_insn *)
+{
+ return NULL;
+}
+
+const char *
+hook_constcharptr_const_tree_const_tree_null (const_tree, const_tree)
+{
+ return NULL;
+}
+
+const char *
+hook_constcharptr_int_const_tree_null (int, const_tree)
+{
+ return NULL;
+}
+
+const char *
+hook_constcharptr_int_const_tree_const_tree_null (int, const_tree, const_tree)
+{
+ return NULL;
+}
+
+/* Generic hook that takes a const_tree and returns NULL_TREE. */
+tree
+hook_tree_const_tree_null (const_tree)
{
return NULL;
}
+/* Generic hook that takes no arguments and returns a NULL_TREE. */
tree
-hook_tree_tree_tree_bool_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED,
- bool ignore ATTRIBUTE_UNUSED)
+hook_tree_void_null (void)
{
return NULL;
}
+
+/* Generic hook that takes a rtx_insn * and an int and returns a bool. */
+
+bool
+hook_bool_rtx_insn_int_false (rtx_insn *, int)
+{
+ return false;
+}
+
+/* Generic hook that takes a rtx_insn * and an int and returns void. */
+
+void
+hook_void_rtx_insn_int (rtx_insn *, int)
+{
+}
+
+/* Generic hook that takes a struct gcc_options * and returns void. */
+
+void
+hook_void_gcc_optionsp (struct gcc_options *)
+{
+}
+
+/* Generic hook that takes an unsigned int and returns true. */
+
+bool
+hook_bool_uint_true (unsigned int)
+{
+ return true;
+}
+
+/* Generic hook that takes an unsigned int, an unsigned int pointer and
+ returns false. */
+
+bool
+hook_bool_uint_uintp_false (unsigned int, unsigned int *)
+{
+ return false;
+}
+
+/* Generic hook that takes a register class and returns false. */
+bool
+hook_bool_reg_class_t_false (reg_class_t regclass ATTRIBUTE_UNUSED)
+{
+ return false;
+}
+
+/* Generic hook that takes 2 machine_modes and a register class and
+ returns true. */
+bool
+hook_bool_mode_mode_reg_class_t_true (machine_mode, machine_mode, reg_class_t)
+{
+ return true;
+}
+
+/* Generic hook that takes a machine_mode and 2 register classes
+ and returns false. */
+bool
+hook_bool_mode_reg_class_t_reg_class_t_false (machine_mode, reg_class_t,
+ reg_class_t)
+{
+ return false;
+}
+
+/* Generic hook that takes a mode and an unsigned HOST_WIDE_INT and
+ returns no mode. */
+
+opt_machine_mode
+hook_optmode_mode_uhwi_none (machine_mode, unsigned HOST_WIDE_INT)
+{
+ return opt_machine_mode ();
+}