1 files changed, 82 insertions, 89 deletions
diff --git a/gcc/hooks.c b/gcc/hooks.c
index 99ec4014ad..f4591dc585 100644
--- a/gcc/hooks.c
+++ b/gcc/hooks.c
@@ -1,5 +1,5 @@
 /* General-purpose hooks.
-   Copyright (C) 2002-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002-2017 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
@@ -50,76 +50,70 @@ hook_bool_void_true (void)
 
 /* Generic hook that takes (bool) and returns false.  */
 bool
-hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)
+hook_bool_bool_false (bool)
 {
   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)
+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 a ATTRIBUTE_UNUSED,
-                                         const int b ATTRIBUTE_UNUSED)
+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 mode ATTRIBUTE_UNUSED)
+hook_bool_mode_false (machine_mode)
 {
   return false;
 }
 
 /* Generic hook that takes (machine_mode) and returns true.  */
 bool
-hook_bool_mode_true (machine_mode mode ATTRIBUTE_UNUSED)
+hook_bool_mode_true (machine_mode)
 {
   return true;
 }
 
 /* Generic hook that takes (machine_mode, const_rtx) and returns false.  */
 bool
-hook_bool_mode_const_rtx_false (machine_mode mode ATTRIBUTE_UNUSED,
-				const_rtx value ATTRIBUTE_UNUSED)
+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 mode ATTRIBUTE_UNUSED,
-			       const_rtx value ATTRIBUTE_UNUSED)
+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 mode ATTRIBUTE_UNUSED,
-			  rtx value ATTRIBUTE_UNUSED)
+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 mode ATTRIBUTE_UNUSED,
-			 rtx value ATTRIBUTE_UNUSED)
+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 *follower ATTRIBUTE_UNUSED,
-					      const rtx_insn *followee ATTRIBUTE_UNUSED)
+hook_bool_const_rtx_insn_const_rtx_insn_true (const rtx_insn *,
+					      const rtx_insn *)
 {
   return true;
 }
@@ -127,15 +121,14 @@ hook_bool_const_rtx_insn_const_rtx_insn_true (const rtx_insn *follower ATTRIBUTE
 /* Generic hook that takes (machine_mode, unsigned HOST_WIDE_INT)
    and returns false.  */
 bool
-hook_bool_mode_uhwi_false (machine_mode mode ATTRIBUTE_UNUSED,
-			   unsigned HOST_WIDE_INT value ATTRIBUTE_UNUSED)
+hook_bool_mode_uhwi_false (machine_mode, unsigned HOST_WIDE_INT)
 {
   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)
+hook_void_FILEptr_constcharptr (FILE *, const char *)
 {
 }
 
@@ -148,8 +141,7 @@ hook_void_FILEptr_constcharptr_const_tree (FILE *, const char *, const_tree)
 
 /* Generic hook that takes (FILE *, rtx) and returns false.  */
 bool
-hook_bool_FILEptr_rtx_false (FILE *a ATTRIBUTE_UNUSED,
-			     rtx b ATTRIBUTE_UNUSED)
+hook_bool_FILEptr_rtx_false (FILE *, rtx)
 {
   return false;
 }
@@ -157,61 +149,54 @@ hook_bool_FILEptr_rtx_false (FILE *a ATTRIBUTE_UNUSED,
 /* Generic hook that takes (gimple_stmt_iterator *) and returns
    false.  */
 bool
-hook_bool_gsiptr_false (gimple_stmt_iterator *a ATTRIBUTE_UNUSED)
+hook_bool_gsiptr_false (gimple_stmt_iterator *)
 {
   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)
+hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree, HOST_WIDE_INT,
+					       HOST_WIDE_INT, const_tree)
 {
   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)
+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 (const_tree a ATTRIBUTE_UNUSED,
-				      HOST_WIDE_INT b ATTRIBUTE_UNUSED,
-				      HOST_WIDE_INT c,
-				      const_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_uint_mode_1 (unsigned int a ATTRIBUTE_UNUSED,
-		      machine_mode b ATTRIBUTE_UNUSED)
+hook_int_uint_mode_1 (unsigned int, machine_mode)
 {
   return 1;
 }
 
 int
-hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED)
+hook_int_const_tree_0 (const_tree)
 {
   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)
+hook_int_const_tree_const_tree_1 (const_tree, const_tree)
 {
   return 1;
 }
 
 int
-hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
+hook_int_rtx_0 (rtx)
 {
   return 0;
 }
@@ -229,7 +214,7 @@ hook_int_rtx_insn_unreachable (rtx_insn *)
 }
 
 int
-hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
+hook_int_rtx_bool_0 (rtx, bool)
 {
   return 0;
 }
@@ -247,7 +232,7 @@ hook_uint_void_0 (void)
 }
 
 void
-hook_void_tree (tree a ATTRIBUTE_UNUSED)
+hook_void_tree (tree)
 {
 }
 
@@ -257,88 +242,83 @@ hook_void_rtx_tree (rtx, tree)
 }
 
 void
-hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
+hook_void_constcharptr (const char *)
 {
 }
 
 void
-hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
+hook_void_tree_treeptr (tree, tree *)
 {
 }
 
 void
-hook_void_int_int (int a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
+hook_void_int_int (int, int)
 {
 }
 
 bool
-hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
+hook_bool_tree_false (tree)
 {
   return false;
 }
 
 bool
-hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED)
+hook_bool_const_tree_false (const_tree)
 {
   return false;
 }
 
 bool
-hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
+hook_bool_tree_true (tree)
 {
   return true;
 }
 
 bool
-hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED)
+hook_bool_const_tree_true (const_tree)
 {
   return true;
 }
 
 bool
-hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
+hook_bool_tree_tree_false (tree, tree)
 {
   return false;
 }
 
 bool
-hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
+hook_bool_tree_tree_true (tree, tree)
 {
   return true;
 }
 
 bool
-hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
+hook_bool_tree_bool_false (tree, bool)
 {
   return false;
 }
 
 bool
-hook_bool_rtx_insn_true (rtx_insn *insn ATTRIBUTE_UNUSED)
+hook_bool_rtx_insn_true (rtx_insn *)
 {
   return true;
 }
 
 bool
-hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
+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_mode_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED,
-					    machine_mode b ATTRIBUTE_UNUSED,
-					    int c ATTRIBUTE_UNUSED,
-					    int d ATTRIBUTE_UNUSED,
-					    int *e ATTRIBUTE_UNUSED,
-					    bool speed_p ATTRIBUTE_UNUSED)
+hook_bool_rtx_mode_int_int_intp_bool_false (rtx, machine_mode, int, int,
+					    int *, bool)
 {
   return false;
 }
@@ -359,21 +339,21 @@ 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 a machine mode and returns an unsigned int 0.  */
 unsigned int
-hook_uint_mode_0 (machine_mode m ATTRIBUTE_UNUSED)
+hook_uint_mode_0 (machine_mode)
 {
   return 0;
 }
@@ -394,66 +374,64 @@ hook_charptr_void_null (void)
 
 /* Generic hook that takes a tree and returns a NULL string.  */
 const char *
-hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
+hook_constcharptr_const_tree_null (const_tree)
 {
   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)
+hook_tree_tree_int_treep_bool_null (tree, int, tree *, bool)
 {
   return NULL;
 }
 
 tree
-hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED)
+hook_tree_tree_tree_null (tree, tree)
 {
   return NULL;
 }
 
 tree
-hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED,
-			       tree t1 ATTRIBUTE_UNUSED,
-			       tree t2 ATTRIBUTE_UNUSED)
+hook_tree_tree_tree_tree_null (tree, tree, tree)
 {
   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 *insn ATTRIBUTE_UNUSED)
+hook_constcharptr_const_rtx_insn_null (const rtx_insn *)
 {
   return NULL;
 }
 
 const char *
-hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED,
-					      const_tree t1 ATTRIBUTE_UNUSED)
+hook_constcharptr_const_tree_const_tree_null (const_tree, const_tree)
 {
   return NULL;
 }
 
 const char *
-hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED,
-				       const_tree t0 ATTRIBUTE_UNUSED)
+hook_constcharptr_int_const_tree_null (int, const_tree)
 {
   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)
+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 t ATTRIBUTE_UNUSED)
+hook_tree_const_tree_null (const_tree)
+{
+  return NULL;
+}
+
+/* Generic hook that takes no arguments and returns a NULL_TREE.  */
+tree
+hook_tree_void_null (void)
 {
   return NULL;
 }
@@ -461,8 +439,7 @@ hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
 /* Generic hook that takes a rtx_insn * and an int and returns a bool.  */
 
 bool
-hook_bool_rtx_insn_int_false (rtx_insn *insn ATTRIBUTE_UNUSED,
-			      int mode ATTRIBUTE_UNUSED)
+hook_bool_rtx_insn_int_false (rtx_insn *, int)
 {
   return false;
 }
@@ -470,14 +447,30 @@ hook_bool_rtx_insn_int_false (rtx_insn *insn ATTRIBUTE_UNUSED,
 /* Generic hook that takes a rtx_insn * and an int and returns void.  */
 
 void
-hook_void_rtx_insn_int (rtx_insn *insn ATTRIBUTE_UNUSED,
-			int mode ATTRIBUTE_UNUSED)
+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 *opts ATTRIBUTE_UNUSED)
+hook_void_gcc_optionsp (struct gcc_options *)
 {
 }
+
+/* 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;
+}
+