From 63aec4bbdd77671b92dafbe6cb6e2e14f7a6635b Mon Sep 17 00:00:00 2001
From: YamaArashi <shadow962@live.com>
Date: Sun, 6 Mar 2016 16:42:52 -0800
Subject: remove unused functions

---
 gcc/config/arm/telf.h |  1 -
 gcc/rtl.h             |  1 -
 gcc/tree.h            |  2 --
 gcc/varasm.c          | 50 --------------------------------------------------
 4 files changed, 54 deletions(-)

(limited to 'gcc')

diff --git a/gcc/config/arm/telf.h b/gcc/config/arm/telf.h
index 1144597..8c5d6e0 100755
--- a/gcc/config/arm/telf.h
+++ b/gcc/config/arm/telf.h
@@ -214,7 +214,6 @@ extern int arm_valid_machine_decl_attribute(tree decl, tree attributes, tree att
 #define NAME__MAIN "__gccmain"
 #define SYMBOL__MAIN __gccmain
 
-#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
 #define UNIQUE_SECTION_P(DECL) (DECL_ONE_ONLY (DECL))
 #define UNIQUE_SECTION(DECL,RELOC)				\
 do {								\
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 3ec2144..7d8b145 100755
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1484,7 +1484,6 @@ extern int set_dominates_use		(int, int, int, rtx, rtx);
 /* In varasm.c */
 extern void bss_section			(void);
 extern int in_data_section		(void);
-extern int supports_one_only		(void);
 
 /* In rtl.c */
 extern void init_rtl			(void);
diff --git a/gcc/tree.h b/gcc/tree.h
index 9dc6b96..7bb35a0 100755
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -2233,8 +2233,6 @@ extern void fixup_signed_type		(tree);
 
 /* varasm.c */
 extern void make_decl_rtl		(tree, char *, int);
-extern void make_decl_one_only		(tree);
-extern int supports_one_only		(void);
 extern void variable_section		(tree, int);
 
 /* In fold-const.c */
diff --git a/gcc/varasm.c b/gcc/varasm.c
index d8b62b8..00273bc 100755
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -4180,53 +4180,3 @@ assemble_alias (decl, target)
 #endif
 #endif
 }
-
-/* This determines whether or not we support link-once semantics.  */
-#ifndef SUPPORTS_ONE_ONLY
-#ifdef MAKE_DECL_ONE_ONLY
-#define SUPPORTS_ONE_ONLY 1
-#else
-#define SUPPORTS_ONE_ONLY 0
-#endif
-#endif
-
-/* Returns 1 if the target configuration supports defining public symbols
-   so that one of them will be chosen at link time instead of generating a
-   multiply-defined symbol error, whether through the use of weak symbols or
-   a target-specific mechanism for having duplicates discarded.  */
-
-int
-supports_one_only ()
-{
-  if (SUPPORTS_ONE_ONLY)
-    return 1;
-  return SUPPORTS_WEAK;
-}
-
-/* Set up DECL as a public symbol that can be defined in multiple
-   translation units without generating a linker error.  */
-
-void
-make_decl_one_only (decl)
-     tree decl;
-{
-  if (TREE_CODE (decl) != VAR_DECL && TREE_CODE (decl) != FUNCTION_DECL)
-    abort ();
-
-  TREE_PUBLIC (decl) = 1;
-
-  if (TREE_CODE (decl) == VAR_DECL
-      && (DECL_INITIAL (decl) == 0 || DECL_INITIAL (decl) == error_mark_node))
-    DECL_COMMON (decl) = 1;
-  else if (SUPPORTS_ONE_ONLY)
-    {
-#ifdef MAKE_DECL_ONE_ONLY
-      MAKE_DECL_ONE_ONLY (decl);
-#endif
-      DECL_ONE_ONLY (decl) = 1;
-    }
-  else if (SUPPORTS_WEAK)
-    DECL_WEAK (decl) = 1;
-  else
-    abort ();
-}
-- 
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