diff options
author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
---|---|---|
committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/hooks.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/hooks.c')
-rw-r--r-- | gcc-4.9/gcc/hooks.c | 469 |
1 files changed, 469 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/hooks.c b/gcc-4.9/gcc/hooks.c new file mode 100644 index 000000000..1c67bdfec --- /dev/null +++ b/gcc-4.9/gcc/hooks.c @@ -0,0 +1,469 @@ +/* General-purpose hooks. + Copyright (C) 2002-2014 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. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" +#include "hooks.h" + +/* Generic hook that does absolutely zappo. */ +void +hook_void_void (void) +{ +} + +/* Generic hook that takes no arguments and returns false. */ +bool +hook_bool_void_false (void) +{ + return false; +} + +/* Generic hook that takes no arguments and returns true. */ +bool +hook_bool_void_true (void) +{ + return true; +} + +/* Generic hook that takes (bool) and returns false. */ +bool +hook_bool_bool_false (bool a ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes (bool, struct gcc_options *) and returns false. */ +bool +hook_bool_bool_gcc_optionsp_false (bool a ATTRIBUTE_UNUSED, + struct gcc_options *opts ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes const int, const int) and returns true. */ +bool hook_bool_const_int_const_int_true (const int a ATTRIBUTE_UNUSED, + const int b ATTRIBUTE_UNUSED) +{ + return true; +} + +/* Generic hook that takes (enum machine_mode) and returns false. */ +bool +hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes (enum machine_mode) and returns true. */ +bool +hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED) +{ + return true; +} + +/* Generic hook that takes (enum machine_mode, const_rtx) and returns false. */ +bool +hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED, + const_rtx value ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes (enum machine_mode, const_rtx) and returns true. */ +bool +hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED, + const_rtx value ATTRIBUTE_UNUSED) +{ + return true; +} + +/* Generic hook that takes (enum machine_mode, rtx) and returns false. */ +bool +hook_bool_mode_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED, + rtx value ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes (enum machine_mode, rtx) and returns true. */ +bool +hook_bool_mode_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED, + rtx value ATTRIBUTE_UNUSED) +{ + return true; +} + +/* Generic hook that takes (rtx, rtx) and returns true. */ +bool +hook_bool_const_rtx_const_rtx_true (const_rtx follower ATTRIBUTE_UNUSED, + const_rtx followee ATTRIBUTE_UNUSED) +{ + return true; +} + +/* Generic hook that takes (enum machine_mode, unsigned HOST_WIDE_INT) + and returns false. */ +bool +hook_bool_mode_uhwi_false (enum machine_mode mode ATTRIBUTE_UNUSED, + unsigned HOST_WIDE_INT value ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes (FILE *, const char *) and does nothing. */ +void +hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED) +{ +} + +/* Generic hook that takes (FILE *, rtx) and returns false. */ +bool +hook_bool_FILEptr_rtx_false (FILE *a ATTRIBUTE_UNUSED, + rtx b ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes (gimple_stmt_iterator *) and returns + false. */ +bool +hook_bool_gsiptr_false (gimple_stmt_iterator *a ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */ +bool +hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED, + HOST_WIDE_INT b ATTRIBUTE_UNUSED, + HOST_WIDE_INT c ATTRIBUTE_UNUSED, + const_tree d ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED, + HOST_WIDE_INT b ATTRIBUTE_UNUSED, + HOST_WIDE_INT c ATTRIBUTE_UNUSED, + const_tree d ATTRIBUTE_UNUSED) +{ + return true; +} + +bool +default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED, + HOST_WIDE_INT b ATTRIBUTE_UNUSED, + HOST_WIDE_INT c, + const_tree d ATTRIBUTE_UNUSED) +{ + return c == 0; +} + +int +hook_int_uint_mode_1 (unsigned int a ATTRIBUTE_UNUSED, + enum machine_mode b ATTRIBUTE_UNUSED) +{ + return 1; +} + +int +hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED) +{ + return 0; +} + +/* ??? Used for comp_type_attributes, which ought to return bool. */ +int +hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_tree b ATTRIBUTE_UNUSED) +{ + return 1; +} + +int +hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED) +{ + return 0; +} + +int +hook_int_rtx_1 (rtx) +{ + return 1; +} + +int +hook_int_rtx_unreachable (rtx) +{ + gcc_unreachable (); +} + +int +hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED) +{ + return 0; +} + +int +hook_int_rtx_mode_as_bool_0 (rtx, enum machine_mode, addr_space_t, bool) +{ + return 0; +} + +unsigned int +hook_uint_void_0 (void) +{ + return 0; +} + +void +hook_void_tree (tree a ATTRIBUTE_UNUSED) +{ +} + +void +hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED) +{ +} + +void +hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED) +{ +} + +void +hook_void_int_int (int a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED) +{ +} + +bool +hook_bool_tree_false (tree a ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_tree_true (tree a ATTRIBUTE_UNUSED) +{ + return true; +} + +bool +hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED) +{ + return true; +} + +bool +hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED) +{ + return true; +} + +bool +hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_rtx_true (rtx a ATTRIBUTE_UNUSED) +{ + return true; +} + +bool +hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED, + unsigned int *b ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_rtx_int_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED, + int b ATTRIBUTE_UNUSED, + int c ATTRIBUTE_UNUSED, + int d ATTRIBUTE_UNUSED, + int *e ATTRIBUTE_UNUSED, + bool speed_p ATTRIBUTE_UNUSED) +{ + return false; +} + +bool +hook_bool_dint_dint_uint_bool_true (double_int, double_int, unsigned int, bool) +{ + return true; +} + +/* Generic hook that takes an rtx and returns it. */ +rtx +hook_rtx_rtx_identity (rtx x) +{ + return x; +} + +/* Generic hook that takes an rtx and returns NULL_RTX. */ +rtx +hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED) +{ + 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) +{ + return NULL; +} + +/* Generic hook that takes a machine mode and returns an unsigned int 0. */ +unsigned int +hook_uint_mode_0 (enum machine_mode m ATTRIBUTE_UNUSED) +{ + return 0; +} + +/* 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) +{ + return c; +} + +/* Generic hook that takes no arguments and returns a NULL string. */ +const char * +hook_constcharptr_void_null (void) +{ + return NULL; +} + +/* Generic hook that takes a tree and returns a NULL string. */ +const char * +hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED) +{ + return NULL; +} + +tree +hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED, + int i ATTRIBUTE_UNUSED, + tree *p ATTRIBUTE_UNUSED, + bool ignore ATTRIBUTE_UNUSED) +{ + return NULL; +} + +tree +hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED) +{ + return NULL; +} + +tree +hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, + tree t1 ATTRIBUTE_UNUSED, + tree t2 ATTRIBUTE_UNUSED) +{ + return NULL; +} + +/* Generic hook that takes a rtx and returns a NULL string. */ +const char * +hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED) +{ + return NULL; +} + +const char * +hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED, + const_tree t1 ATTRIBUTE_UNUSED) +{ + return NULL; +} + +const char * +hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED, + const_tree t0 ATTRIBUTE_UNUSED) +{ + return NULL; +} + +const char * +hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED, + const_tree t0 ATTRIBUTE_UNUSED, + const_tree t1 ATTRIBUTE_UNUSED) +{ + return NULL; +} + +/* Generic hook that takes a const_tree and returns NULL_TREE. */ +tree +hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED) +{ + return NULL; +} + +/* Generic hook that takes a rtx and an int and returns a bool. */ + +bool +hook_bool_rtx_int_false (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED) +{ + return false; +} + +/* Generic hook that takes a rtx and an int and returns void. */ + +void +hook_void_rtx_int (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED) +{ +} + +/* Generic hook that takes a struct gcc_options * and returns void. */ + +void +hook_void_gcc_optionsp (struct gcc_options *opts ATTRIBUTE_UNUSED) +{ +} |