Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

24 files changed, 1719 insertions, 0 deletions

diff --git a/gcc-4.9/libstdc++-v3/config/cpu/alpha/atomic_word.h b/gcc-4.9/libstdc++-v3/config/cpu/alpha/atomic_word.h
new file mode 100644
index 000000000..bc92faec6
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/alpha/atomic_word.h
@@ -0,0 +1,33 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+typedef int _Atomic_word;
+
+#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("mb":::"memory")
+#define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("wmb":::"memory")
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h b/gcc-4.9/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h
new file mode 100644
index 000000000..77190c720
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h
@@ -0,0 +1,82 @@
+// Control various target specific ABI tweaks.  ARM version.
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/cxxabi_tweaks.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{cxxabi.h}
+ */
+
+#ifndef _CXXABI_TWEAKS_H
+#define _CXXABI_TWEAKS_H 1
+
+#ifdef __cplusplus
+namespace __cxxabiv1
+{
+  extern "C" 
+  {
+#endif
+
+#ifdef __ARM_EABI__
+  // The ARM EABI uses the least significant bit of a 32-bit
+  // guard variable.  */
+#define _GLIBCXX_GUARD_TEST(x) ((*(x) & 1) != 0)
+#define _GLIBCXX_GUARD_SET(x) *(x) = 1
+#define _GLIBCXX_GUARD_BIT 1
+#define _GLIBCXX_GUARD_PENDING_BIT __guard_test_bit (1, 1)
+#define _GLIBCXX_GUARD_WAITING_BIT __guard_test_bit (2, 1)
+  typedef int __guard;
+
+  // We also want the element size in array cookies.
+#define _GLIBCXX_ELTSIZE_IN_COOKIE 1
+  
+  // __cxa_vec_ctor should return a pointer to the array.
+  typedef void * __cxa_vec_ctor_return_type;
+#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return x
+  // Constructors and destructors return the "this" pointer.
+  typedef void * __cxa_cdtor_return_type;
+
+#else // __ARM_EABI__
+
+  // The generic ABI uses the first byte of a 64-bit guard variable.
+#define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)
+#define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1
+#define _GLIBCXX_GUARD_BIT __guard_test_bit (0, 1)
+#define _GLIBCXX_GUARD_PENDING_BIT __guard_test_bit (1, 1)
+#define _GLIBCXX_GUARD_WAITING_BIT __guard_test_bit (2, 1)
+  __extension__ typedef int __guard __attribute__((mode (__DI__)));
+
+  // __cxa_vec_ctor has void return type.
+  typedef void __cxa_vec_ctor_return_type;
+#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return
+  // Constructors and destructors do not return a value.
+  typedef void __cxa_cdtor_return_type;
+
+#endif //!__ARM_EABI__
+
+#ifdef __cplusplus
+  }
+} // namespace __cxxabiv1
+#endif
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/cris/atomic_word.h b/gcc-4.9/libstdc++-v3/config/cpu/cris/atomic_word.h
new file mode 100644
index 000000000..71b1b6444
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/cris/atomic_word.h
@@ -0,0 +1,31 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+// This entity must not cross a page boundary.
+typedef int _Atomic_word __attribute__ ((__aligned__ (4)));
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/cris/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/cris/atomicity.h
new file mode 100644
index 000000000..ef1ae8cac
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/cris/atomicity.h
@@ -0,0 +1,89 @@
+// Low-level functions for atomic operations: CRIS version  -*- C++ -*-
+
+// Copyright (C) 2001-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <ext/atomicity.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  _Atomic_word
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    int __tmp;
+    _Atomic_word __result;
+
+#if (__CRIS_arch_version >= 32)
+  __asm__ __volatile__ (" clearf p	       \n"
+		       "0:		       \n"
+		       " move.d %4,%2	       \n"
+		       " move.d [%3],%0	       \n"
+		       " add.d %0,%2	       \n"
+		       " ax		       \n"
+		       " move.d %2,[%3]	       \n"
+		       " bcs 0b		       \n"
+		       " clearf p	       \n"
+		       :  "=&r" (__result), "=Q" (*__mem), "=&r" (__tmp)
+		       : "r" (__mem), "g" (__val), "Q" (*__mem)
+		       : "memory");
+#elif (__CRIS_arch_version >= 10)
+    __asm__ __volatile__ (" clearf		\n"
+			"0:			\n"
+			" move.d %4,%2		\n"
+			" move.d [%3],%0	\n"
+			" add.d %0,%2		\n"
+			" ax			\n"
+			" move.d %2,[%3]	\n"
+			" bwf 0b		\n"
+			" clearf		\n"
+			:  "=&r" (__result), "=Q" (*__mem), "=&r" (__tmp)
+			: "r" (__mem), "g" (__val), "Q" (*__mem)
+			/* The memory clobber must stay, regardless of
+			   current uses of this function.  */
+			: "memory");
+#else
+    __asm__ __volatile__ (" move $ccr,$r9	\n"
+			" di			\n"
+			" move.d %4,%2		\n"
+			" move.d [%3],%0	\n"
+			" add.d %0,%2		\n"
+			" move.d %2,[%3]	\n"
+			" move $r9,$ccr		\n"
+			:  "=&r" (__result), "=Q" (*__mem), "=&r" (__tmp)
+			: "r" (__mem), "g" (__val), "Q" (*__mem)
+			: "r9",
+			  /* The memory clobber must stay, regardless of
+			     current uses of this function.  */
+			  "memory");
+#endif
+
+    return __result;
+  }
+
+  void
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  { __exchange_and_add(__mem, __val); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/generic/atomic_word.h b/gcc-4.9/libstdc++-v3/config/cpu/generic/atomic_word.h
new file mode 100644
index 000000000..b46dee522
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/generic/atomic_word.h
@@ -0,0 +1,47 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file atomic_word.h
+ *  This file is a GNU extension to the Standard C++ Library.
+ */
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+typedef int _Atomic_word;
+
+// Define these two macros using the appropriate memory barrier for the target.
+// The commented out versions below are the defaults.
+// See ia64/atomic_word.h for an alternative approach.
+
+// This one prevents loads from being hoisted across the barrier;
+// in other words, this is a Load-Load acquire barrier.
+// This is necessary iff TARGET_RELAXED_ORDERING is defined in tm.h.  
+// #define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("":::"memory")
+
+// This one prevents stores from being sunk across the barrier; in other
+// words, a Store-Store release barrier.
+// #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("":::"memory")
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/generic/atomicity_builtins/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/generic/atomicity_builtins/atomicity.h
new file mode 100644
index 000000000..bef2ee15c
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/generic/atomicity_builtins/atomicity.h
@@ -0,0 +1,44 @@
+// Low-level functions for atomic operations: version for CPUs providing
+// atomic builtins -*- C++ -*-
+
+// Copyright (C) 2006-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <bits/c++config.h>
+#include <bits/atomic_word.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  { return __atomic_fetch_add(__mem, __val, __ATOMIC_ACQ_REL); }
+
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  { __atomic_fetch_add(__mem, __val, __ATOMIC_ACQ_REL); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h
new file mode 100644
index 000000000..3be1f3f7b
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h
@@ -0,0 +1,59 @@
+// Low-level functions for atomic operations: Generic version  -*- C++ -*-
+
+// Copyright (C) 1999-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <ext/atomicity.h>
+#include <ext/concurrence.h>
+
+namespace 
+{
+  __gnu_cxx::__mutex&
+  get_atomic_mutex()
+  {
+    static __gnu_cxx::__mutex atomic_mutex;
+    return atomic_mutex;
+  }
+} // anonymous namespace
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    __gnu_cxx::__scoped_lock sentry(get_atomic_mutex());
+    _Atomic_word __result;
+    __result = *__mem;
+    *__mem += __val;
+    return __result;
+  }
+
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  { __exchange_and_add(__mem, __val); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/generic/cpu_defines.h b/gcc-4.9/libstdc++-v3/config/cpu/generic/cpu_defines.h
new file mode 100644
index 000000000..b8560c58c
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/generic/cpu_defines.h
@@ -0,0 +1,33 @@
+// Specific definitions for generic platforms  -*- C++ -*-
+
+// Copyright (C) 2005-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/cpu_defines.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{iosfwd}
+ */
+
+#ifndef _GLIBCXX_CPU_DEFINES
+#define _GLIBCXX_CPU_DEFINES 1
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h b/gcc-4.9/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h
new file mode 100644
index 000000000..6fabe3af7
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h
@@ -0,0 +1,59 @@
+// Control various target specific ABI tweaks.  Generic version.
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/cxxabi_tweaks.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{cxxabi.h}
+ */
+
+#ifndef _CXXABI_TWEAKS_H
+#define _CXXABI_TWEAKS_H 1
+
+#ifdef __cplusplus
+namespace __cxxabiv1
+{
+  extern "C" 
+  {
+#endif
+
+  // The generic ABI uses the first byte of a 64-bit guard variable.
+#define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)
+#define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1
+#define _GLIBCXX_GUARD_BIT __guard_test_bit (0, 1)
+#define _GLIBCXX_GUARD_PENDING_BIT __guard_test_bit (1, 1)
+#define _GLIBCXX_GUARD_WAITING_BIT __guard_test_bit (2, 1)
+  __extension__ typedef int __guard __attribute__((mode (__DI__)));
+
+  // __cxa_vec_ctor has void return type.
+  typedef void __cxa_vec_ctor_return_type;
+#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return
+  // Constructors and destructors do not return a value.
+  typedef void __cxa_cdtor_return_type;
+
+#ifdef __cplusplus
+  }
+} // namespace __cxxabiv1
+#endif
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/generic/opt/bits/opt_random.h b/gcc-4.9/libstdc++-v3/config/cpu/generic/opt/bits/opt_random.h
new file mode 100644
index 000000000..f841a21d6
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/generic/opt/bits/opt_random.h
@@ -0,0 +1,38 @@
+// Optimizations for random number handling, generic version -*- C++ -*-
+
+// Copyright (C) 2012-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/opt_random.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{random}
+ */
+
+#ifndef _BITS_OPT_RANDOM_H
+#define _BITS_OPT_RANDOM_H 1
+
+#pragma GCC system_header
+
+
+
+
+#endif // _BITS_OPT_RANDOM_H
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/generic/opt/ext/opt_random.h b/gcc-4.9/libstdc++-v3/config/cpu/generic/opt/ext/opt_random.h
new file mode 100644
index 000000000..41eb809b1
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/generic/opt/ext/opt_random.h
@@ -0,0 +1,38 @@
+// Optimizations for random number extensions, generic version -*- C++ -*-
+
+// Copyright (C) 2012-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file ext/opt_random.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{ext/random}
+ */
+
+#ifndef _EXT_OPT_RANDOM_H
+#define _EXT_OPT_RANDOM_H 1
+
+#pragma GCC system_header
+
+
+
+
+#endif // _EXT_OPT_RANDOM_H
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/hppa/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/hppa/atomicity.h
new file mode 100644
index 000000000..b037c8202
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/hppa/atomicity.h
@@ -0,0 +1,94 @@
+// Low-level functions for atomic operations: PA-RISC version  -*- C++ -*-
+
+// Copyright (C) 2002-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <bits/c++config.h>
+#include <ext/atomicity.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<int _Inst>
+    struct _Atomicity_lock
+    {
+      static volatile int _S_atomicity_lock;
+    };
+  
+  template<int _Inst>
+  volatile int
+  _Atomicity_lock<_Inst>::_S_atomicity_lock __attribute__ ((aligned (16))) = 1;
+
+  // Because of the lack of weak support when using the hpux som
+  // linker, we explicitly instantiate the atomicity lock.
+  template volatile int _Atomicity_lock<0>::_S_atomicity_lock;
+
+  int
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word result;
+    int tmp;
+    volatile int& lock = _Atomicity_lock<0>::_S_atomicity_lock;
+    
+    __asm__ __volatile__ ("ldcw 0(%1),%0\n\t"
+			  "cmpib,<>,n 0,%0,.+20\n\t"
+			  "ldw 0(%1),%0\n\t"
+			  "cmpib,= 0,%0,.-4\n\t"
+			  "nop\n\t"
+			  "b,n .-20"
+			  : "=&r" (tmp)
+			  : "r" (&lock)
+			  : "memory");
+    
+    result = *__mem;
+    *__mem = result + __val;
+    __asm__ __volatile__ ("stw %1,0(%0)"
+			  : : "r" (&lock), "r" (tmp) : "memory");
+    return result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    int tmp;
+    volatile int& lock = _Atomicity_lock<0>::_S_atomicity_lock;
+    
+    __asm__ __volatile__ ("ldcw 0(%1),%0\n\t"
+			  "cmpib,<>,n 0,%0,.+20\n\t"
+			  "ldw 0(%1),%0\n\t"
+			  "cmpib,= 0,%0,.-4\n\t"
+			  "nop\n\t"
+			  "b,n .-20"
+			  : "=&r" (tmp)
+			  : "r" (&lock)
+			  : "memory");
+    
+    *__mem += __val;
+    __asm__ __volatile__ ("stw %1,0(%0)"
+			  : : "r" (&lock), "r" (tmp) : "memory");
+  }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/i386/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/i386/atomicity.h
new file mode 100644
index 000000000..93d29ceb4
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/i386/atomicity.h
@@ -0,0 +1,73 @@
+// Low-level functions for atomic operations: x86, x >= 3 version  -*- C++ -*-
+
+// Copyright (C) 2003-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <ext/atomicity.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<int __inst>
+    struct _Atomicity_lock
+    {
+      static volatile _Atomic_word _S_atomicity_lock;
+    };
+
+  template<int __inst>
+  volatile _Atomic_word _Atomicity_lock<__inst>::_S_atomicity_lock = 0;
+
+  template volatile _Atomic_word _Atomicity_lock<0>::_S_atomicity_lock;
+  
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    register _Atomic_word __result, __tmp = 1;
+    
+    // Obtain the atomic exchange/add spin lock.
+    do 
+      {
+	__asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}"
+			      : "=m" (_Atomicity_lock<0>::_S_atomicity_lock),
+			      "+r" (__tmp)
+			      : "m" (_Atomicity_lock<0>::_S_atomicity_lock));
+      } 
+    while (__tmp);
+    
+    __result = *__mem;
+    *__mem += __val;
+    
+    // Release spin lock.
+    _Atomicity_lock<0>::_S_atomicity_lock = 0;
+    
+    return __result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  { __exchange_and_add(__mem, __val); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/i486/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/i486/atomicity.h
new file mode 100644
index 000000000..0992b99ff
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/i486/atomicity.h
@@ -0,0 +1,52 @@
+// Low-level functions for atomic operations: x86, x >= 4 version  -*- C++ -*-
+
+// Copyright (C) 1999-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <ext/atomicity.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    register _Atomic_word __result;
+    __asm__ __volatile__ ("lock; xadd{l} {%0,%1|%1,%0}"
+			  : "=r" (__result), "=m" (*__mem) 
+			  : "0" (__val), "m" (*__mem));
+    return __result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    __asm__ __volatile__ ("lock; add{l} {%1,%0|%0,%1}"
+			  : "=m" (*__mem) : "ir" (__val), "m" (*__mem));
+  }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/i486/opt/bits/opt_random.h b/gcc-4.9/libstdc++-v3/config/cpu/i486/opt/bits/opt_random.h
new file mode 100644
index 000000000..463279ef8
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/i486/opt/bits/opt_random.h
@@ -0,0 +1,219 @@
+// Optimizations for random number functions, x86 version -*- C++ -*-
+
+// Copyright (C) 2012-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/opt_random.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{random}
+ */
+
+#ifndef _BITS_OPT_RANDOM_H
+#define _BITS_OPT_RANDOM_H 1
+
+#include <x86intrin.h>
+
+
+#pragma GCC system_header
+
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+#ifdef __SSE3__
+  template<>
+    template<typename _UniformRandomNumberGenerator>
+      void
+      normal_distribution<double>::
+      __generate(typename normal_distribution<double>::result_type* __f,
+		 typename normal_distribution<double>::result_type* __t,
+		 _UniformRandomNumberGenerator& __urng,
+		 const param_type& __param)
+      {
+	typedef uint64_t __uctype;
+
+	if (__f == __t)
+	  return;
+
+	if (_M_saved_available)
+	  {
+	    _M_saved_available = false;
+	    *__f++ = _M_saved * __param.stddev() + __param.mean();
+
+	    if (__f == __t)
+	      return;
+	  }
+
+	constexpr uint64_t __maskval = 0xfffffffffffffull;
+	static const __m128i __mask = _mm_set1_epi64x(__maskval);
+	static const __m128i __two = _mm_set1_epi64x(0x4000000000000000ull);
+	static const __m128d __three = _mm_set1_pd(3.0);
+	const __m128d __av = _mm_set1_pd(__param.mean());
+
+	const __uctype __urngmin = __urng.min();
+	const __uctype __urngmax = __urng.max();
+	const __uctype __urngrange = __urngmax - __urngmin;
+	const __uctype __uerngrange = __urngrange + 1;
+
+	while (__f + 1 < __t)
+	  {
+	    double __le;
+	    __m128d __x;
+	    do
+	      {
+                union
+                {
+                  __m128i __i;
+                  __m128d __d;
+		} __v;
+
+		if (__urngrange > __maskval)
+		  {
+		    if (__detail::_Power_of_2(__uerngrange))
+		      __v.__i = _mm_and_si128(_mm_set_epi64x(__urng(),
+							     __urng()),
+					      __mask);
+		    else
+		      {
+			const __uctype __uerange = __maskval + 1;
+			const __uctype __scaling = __urngrange / __uerange;
+			const __uctype __past = __uerange * __scaling;
+			uint64_t __v1;
+			do
+			  __v1 = __uctype(__urng()) - __urngmin;
+			while (__v1 >= __past);
+			__v1 /= __scaling;
+			uint64_t __v2;
+			do
+			  __v2 = __uctype(__urng()) - __urngmin;
+			while (__v2 >= __past);
+			__v2 /= __scaling;
+
+			__v.__i = _mm_set_epi64x(__v1, __v2);
+		      }
+		  }
+		else if (__urngrange == __maskval)
+		  __v.__i = _mm_set_epi64x(__urng(), __urng());
+		else if ((__urngrange + 2) * __urngrange >= __maskval
+			 && __detail::_Power_of_2(__uerngrange))
+		  {
+		    uint64_t __v1 = __urng() * __uerngrange + __urng();
+		    uint64_t __v2 = __urng() * __uerngrange + __urng();
+
+		    __v.__i = _mm_and_si128(_mm_set_epi64x(__v1, __v2),
+					    __mask);
+		  }
+		else
+		  {
+		    size_t __nrng = 2;
+		    __uctype __high = __maskval / __uerngrange / __uerngrange;
+		    while (__high > __uerngrange)
+		      {
+			++__nrng;
+			__high /= __uerngrange;
+		      }
+		    const __uctype __highrange = __high + 1;
+		    const __uctype __scaling = __urngrange / __highrange;
+		    const __uctype __past = __highrange * __scaling;
+		    __uctype __tmp;
+
+		    uint64_t __v1;
+		    do
+		      {
+			do
+			  __tmp = __uctype(__urng()) - __urngmin;
+			while (__tmp >= __past);
+			__v1 = __tmp / __scaling;
+			for (size_t __cnt = 0; __cnt < __nrng; ++__cnt)
+			  {
+			    __tmp = __v1;
+			    __v1 *= __uerngrange;
+			    __v1 += __uctype(__urng()) - __urngmin;
+			  }
+		      }
+		    while (__v1 > __maskval || __v1 < __tmp);
+
+		    uint64_t __v2;
+		    do
+		      {
+			do
+			  __tmp = __uctype(__urng()) - __urngmin;
+			while (__tmp >= __past);
+			__v2 = __tmp / __scaling;
+			for (size_t __cnt = 0; __cnt < __nrng; ++__cnt)
+			  {
+			    __tmp = __v2;
+			    __v2 *= __uerngrange;
+			    __v2 += __uctype(__urng()) - __urngmin;
+			  }
+		      }
+		    while (__v2 > __maskval || __v2 < __tmp);
+		    
+		    __v.__i = _mm_set_epi64x(__v1, __v2);
+		  }
+
+		__v.__i = _mm_or_si128(__v.__i, __two);
+		__x = _mm_sub_pd(__v.__d, __three);
+		__m128d __m = _mm_mul_pd(__x, __x);
+		__le = _mm_cvtsd_f64(_mm_hadd_pd (__m, __m));
+              }
+            while (__le == 0.0 || __le >= 1.0);
+
+            double __mult = (std::sqrt(-2.0 * std::log(__le) / __le)
+                             * __param.stddev());
+
+            __x = _mm_add_pd(_mm_mul_pd(__x, _mm_set1_pd(__mult)), __av);
+
+            _mm_storeu_pd(__f, __x);
+            __f += 2;
+          }
+
+        if (__f != __t)
+          {
+            result_type __x, __y, __r2;
+
+            __detail::_Adaptor<_UniformRandomNumberGenerator, result_type>
+              __aurng(__urng);
+
+            do
+              {
+                __x = result_type(2.0) * __aurng() - 1.0;
+                __y = result_type(2.0) * __aurng() - 1.0;
+                __r2 = __x * __x + __y * __y;
+              }
+            while (__r2 > 1.0 || __r2 == 0.0);
+
+            const result_type __mult = std::sqrt(-2 * std::log(__r2) / __r2);
+            _M_saved = __x * __mult;
+            _M_saved_available = true;
+            *__f = __y * __mult * __param.stddev() + __param.mean();
+          }
+      }
+#endif
+
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+
+#endif // _BITS_OPT_RANDOM_H
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/i486/opt/ext/opt_random.h b/gcc-4.9/libstdc++-v3/config/cpu/i486/opt/ext/opt_random.h
new file mode 100644
index 000000000..e5c0a8407
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/i486/opt/ext/opt_random.h
@@ -0,0 +1,140 @@
+// Optimizations for random number extensions, x86 version -*- C++ -*-
+
+// Copyright (C) 2012-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file ext/random.tcc
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{ext/random}
+ */
+
+#ifndef _EXT_OPT_RANDOM_H
+#define _EXT_OPT_RANDOM_H 1
+
+#pragma GCC system_header
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+
+#ifdef __SSE2__
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  namespace {
+
+    template<size_t __sl1, size_t __sl2, size_t __sr1, size_t __sr2,
+	     uint32_t __msk1, uint32_t __msk2, uint32_t __msk3, uint32_t __msk4>
+      inline __m128i __sse2_recursion(__m128i __a, __m128i __b,
+				      __m128i __c, __m128i __d)
+      {
+	__m128i __y = _mm_srli_epi32(__b, __sr1);
+	__m128i __z = _mm_srli_si128(__c, __sr2);
+	__m128i __v = _mm_slli_epi32(__d, __sl1);
+	__z = _mm_xor_si128(__z, __a);
+	__z = _mm_xor_si128(__z, __v);
+	__m128i __x = _mm_slli_si128(__a, __sl2);
+	__y = _mm_and_si128(__y, _mm_set_epi32(__msk4, __msk3, __msk2, __msk1));
+	__z = _mm_xor_si128(__z, __x);
+	return _mm_xor_si128(__z, __y);
+      }
+
+  }
+
+
+#define _GLIBCXX_OPT_HAVE_RANDOM_SFMT_GEN_READ	1
+  template<typename _UIntType, size_t __m,
+	   size_t __pos1, size_t __sl1, size_t __sl2,
+	   size_t __sr1, size_t __sr2,
+	   uint32_t __msk1, uint32_t __msk2,
+	   uint32_t __msk3, uint32_t __msk4,
+	   uint32_t __parity1, uint32_t __parity2,
+	   uint32_t __parity3, uint32_t __parity4>
+    void simd_fast_mersenne_twister_engine<_UIntType, __m,
+					   __pos1, __sl1, __sl2, __sr1, __sr2,
+					   __msk1, __msk2, __msk3, __msk4,
+					   __parity1, __parity2, __parity3,
+					   __parity4>::
+    _M_gen_rand(void)
+    {
+      __m128i __r1 = _mm_load_si128(&_M_state[_M_nstate - 2]);
+      __m128i __r2 = _mm_load_si128(&_M_state[_M_nstate - 1]);
+
+      size_t __i;
+      for (__i = 0; __i < _M_nstate - __pos1; ++__i)
+	{
+	  __m128i __r = __sse2_recursion<__sl1, __sl2, __sr1, __sr2,
+					 __msk1, __msk2, __msk3, __msk4>
+	    (_M_state[__i], _M_state[__i + __pos1], __r1, __r2);
+	  _mm_store_si128(&_M_state[__i], __r);
+	  __r1 = __r2;
+	  __r2 = __r;
+	}
+      for (; __i < _M_nstate; ++__i)
+	{
+	  __m128i __r = __sse2_recursion<__sl1, __sl2, __sr1, __sr2,
+					 __msk1, __msk2, __msk3, __msk4>
+	    (_M_state[__i], _M_state[__i + __pos1 - _M_nstate], __r1, __r2);
+	  _mm_store_si128(&_M_state[__i], __r);
+	  __r1 = __r2;
+	  __r2 = __r;
+	}
+
+      _M_pos = 0;
+    }
+
+
+#define _GLIBCXX_OPT_HAVE_RANDOM_SFMT_OPERATOREQUAL	1
+  template<typename _UIntType, size_t __m,
+	   size_t __pos1, size_t __sl1, size_t __sl2,
+	   size_t __sr1, size_t __sr2,
+	   uint32_t __msk1, uint32_t __msk2,
+	   uint32_t __msk3, uint32_t __msk4,
+	   uint32_t __parity1, uint32_t __parity2,
+	   uint32_t __parity3, uint32_t __parity4>
+    bool
+    operator==(const __gnu_cxx::simd_fast_mersenne_twister_engine<_UIntType,
+	       __m, __pos1, __sl1, __sl2, __sr1, __sr2,
+	       __msk1, __msk2, __msk3, __msk4,
+	       __parity1, __parity2, __parity3, __parity4>& __lhs,
+	       const __gnu_cxx::simd_fast_mersenne_twister_engine<_UIntType,
+	       __m, __pos1, __sl1, __sl2, __sr1, __sr2,
+	       __msk1, __msk2, __msk3, __msk4,
+	       __parity1, __parity2, __parity3, __parity4>& __rhs)
+    {
+      __m128i __res = _mm_cmpeq_epi8(__lhs._M_state[0], __rhs._M_state[0]);
+      for (size_t __i = 1; __i < __lhs._M_nstate; ++__i)
+	__res = _mm_and_si128(__res, _mm_cmpeq_epi8(__lhs._M_state[__i],
+						    __rhs._M_state[__i]));
+      return (_mm_movemask_epi8(__res) == 0xffff
+	      && __lhs._M_pos == __rhs._M_pos);
+    }
+
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#endif // __SSE2__
+
+#endif // __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+
+#endif // _EXT_OPT_RANDOM_H
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/ia64/atomic_word.h b/gcc-4.9/libstdc++-v3/config/cpu/ia64/atomic_word.h
new file mode 100644
index 000000000..ee4cee389
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/ia64/atomic_word.h
@@ -0,0 +1,64 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+#include <bits/cxxabi_tweaks.h>
+
+typedef int _Atomic_word;
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+  // Test the first byte of __g and ensure that no loads are hoisted across
+  // the test.
+  inline bool
+  __test_and_acquire (__cxxabiv1::__guard *__g)
+  {
+    unsigned char __c;
+    unsigned char *__p = reinterpret_cast<unsigned char *>(__g);
+    // ldN.acq is a load with an implied hoist barrier.
+    // would ld8+mask be faster than just doing an ld1?
+    __asm __volatile ("ld1.acq %0 = %1" : "=r"(__c) : "m"(*__p) : "memory");
+    return __c != 0;
+  }
+
+  // Set the first byte of __g to 1 and ensure that no stores are sunk
+  // across the store.
+  inline void
+  __set_and_release (__cxxabiv1::__guard *__g)
+  {
+    unsigned char *__p = reinterpret_cast<unsigned char *>(__g);
+    // stN.rel is a store with an implied sink barrier.
+    // could load word, set flag, and CAS it back
+    __asm __volatile ("st1.rel %0 = %1" : "=m"(*__p) : "r"(1) : "memory");
+  }
+
+  // We don't define the _BARRIER macros on ia64 because the barriers are
+  // included in the test and set, above.
+#define _GLIBCXX_GUARD_TEST_AND_ACQUIRE(G) __gnu_cxx::__test_and_acquire (G)
+#define _GLIBCXX_GUARD_SET_AND_RELEASE(G) __gnu_cxx::__set_and_release (G)
+}
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/m68k/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/m68k/atomicity.h
new file mode 100644
index 000000000..6b90d2c2d
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/m68k/atomicity.h
@@ -0,0 +1,132 @@
+// Low-level functions for atomic operations: m68k version -*- C++ -*-
+
+// Copyright (C) 2001-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <ext/atomicity.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+#if ( defined(__mc68020__) || defined(__mc68030__) \
+      || defined(__mc68040__) || defined(__mc68060__) ) \
+    && !defined(__mcpu32__)
+  // These variants support compare-and-swap.
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    register _Atomic_word __result = *__mem;
+    register _Atomic_word __temp;
+    __asm__ __volatile__ ("1: move%.l %0,%1\n\t"
+			  "add%.l %3,%1\n\t"
+			  "cas%.l %0,%1,%2\n\t"
+			  "jne 1b"
+			  : "=d" (__result), "=&d" (__temp), "=m" (*__mem)
+			  : "d" (__val), "0" (__result), "m" (*__mem));
+    return __result;
+  }
+
+#elif defined(__rtems__)
+  // TAS/JBNE is unsafe on systems with strict priority-based scheduling.
+  // Disable interrupts, which we can do only from supervisor mode.
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word __result;
+    short __level, __tmpsr;
+    __asm__ __volatile__ ("move%.w %%sr,%0\n\tor%.l %0,%1\n\tmove%.w %1,%%sr"
+			  : "=d"(__level), "=d"(__tmpsr) : "1"(0x700));
+    
+    __result = *__mem;
+    *__mem = __result + __val;    
+    __asm__ __volatile__ ("move%.w %0,%%sr" : : "d"(__level));
+    
+    return __result;
+  }
+
+#else
+  
+  template<int __inst>
+    struct _Atomicity_lock
+    {
+      static volatile unsigned char _S_atomicity_lock;
+    };
+
+  template<int __inst>
+  volatile unsigned char _Atomicity_lock<__inst>::_S_atomicity_lock = 0;
+  
+  template volatile unsigned char _Atomicity_lock<0>::_S_atomicity_lock;
+  
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word __result;
+    
+    // bset with no immediate addressing (not SMP-safe)
+#if defined(__mcfisaa__) || defined(__mcfisaaplus__)
+    __asm__ __volatile__("1: bset.b #7,%0@\n\tjbne 1b"
+			 : /* no outputs */
+			 : "a"(&_Atomicity_lock<0>::_S_atomicity_lock)
+			 : "cc", "memory");
+    
+    // CPU32 and CF ISAs B & C support test-and-set (SMP-safe).
+#elif defined(__mcpu32__) || defined(__mcfisab__) || defined (__mcfisac__)
+    __asm__ __volatile__("1: tas %0\n\tjbne 1b"
+			 : "+m"(_Atomicity_lock<0>::_S_atomicity_lock)
+			 : /* none */
+			 : "cc");
+    
+    // Use bset with immediate addressing for 68000/68010 (not SMP-safe)
+    // NOTE: TAS is available on the 68000, but unsupported by some Amiga
+    // memory controllers.
+#else
+    __asm__ __volatile__("1: bset.b #7,%0\n\tjbne 1b"
+			 : "+m"(_Atomicity_lock<0>::_S_atomicity_lock)
+			 : /* none */
+			 : "cc");
+#endif
+    
+    __result = *__mem;
+    *__mem = __result + __val;
+    
+    _Atomicity_lock<0>::_S_atomicity_lock = 0;
+    
+    return __result;
+  }
+  
+#endif /* TAS / BSET */
+
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    // Careful: using add.l with a memory destination is not
+    // architecturally guaranteed to be atomic.
+    __exchange_and_add(__mem, __val);
+  }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/microblaze/cpu_defines.h b/gcc-4.9/libstdc++-v3/config/cpu/microblaze/cpu_defines.h
new file mode 100644
index 000000000..ac60ef8a4
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/microblaze/cpu_defines.h
@@ -0,0 +1,39 @@
+// Specific definitions for Xilinx MicroBlaze platforms  -*- C++ -*-
+
+// Copyright (C) 2009-2014 Free Software Foundation, Inc.
+//
+// Contributed by Michael Eager <eager@eagercon.com>.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/cpu_defines.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{iosfwd}
+ */
+
+#ifndef _GLIBCXX_CPU_DEFINES
+#define _GLIBCXX_CPU_DEFINES 1
+
+// Optimize memory size for embedded systems
+//   -- Use abort for eh terminate
+#define _GLIBCXX_NO_VERBOSE_TERMINATE 1
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/powerpc/atomic_word.h b/gcc-4.9/libstdc++-v3/config/cpu/powerpc/atomic_word.h
new file mode 100644
index 000000000..12eafd8db
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/powerpc/atomic_word.h
@@ -0,0 +1,37 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+typedef int _Atomic_word;
+
+#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("isync":::"memory")
+#ifdef __NO_LWSYNC__
+#define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("sync":::"memory")
+#else
+#define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("lwsync":::"memory")
+#endif
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/powerpc/cpu_defines.h b/gcc-4.9/libstdc++-v3/config/cpu/powerpc/cpu_defines.h
new file mode 100644
index 000000000..fe6f2a664
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/powerpc/cpu_defines.h
@@ -0,0 +1,36 @@
+// Specific definitions for generic platforms  -*- C++ -*-
+
+// Copyright (C) 2005-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/cpu_defines.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{iosfwd}
+ */
+
+#ifndef _GLIBCXX_CPU_DEFINES
+#define _GLIBCXX_CPU_DEFINES 1
+
+// Integer divide instructions don't trap on PowerPC.
+#define __glibcxx_integral_traps false
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/sh/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/sh/atomicity.h
new file mode 100644
index 000000000..226fdd33a
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/sh/atomicity.h
@@ -0,0 +1,108 @@
+// Low-level functions for atomic operations: sh version  -*- C++ -*-
+
+// Copyright (C) 1999-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#ifdef __SH4A__
+
+#include <ext/atomicity.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  typedef int _Atomic_word;
+
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add (volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word __result;
+
+    __asm__ __volatile__
+      ("0:\n"
+       "\tmovli.l\t@%2,r0\n"
+       "\tmov\tr0,%1\n"
+       "\tadd\t%3,r0\n"
+       "\tmovco.l\tr0,@%2\n"
+       "\tbf\t0b"
+       : "+m" (*__mem), "=&r" (__result)
+       : "r" (__mem), "rI08" (__val)
+       : "r0");
+
+    return __result;
+  }
+
+
+  void
+  __attribute__ ((__unused__))
+  __atomic_add (volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    asm("0:\n"
+	"\tmovli.l\t@%1,r0\n"
+	"\tadd\t%2,r0\n"
+	"\tmovco.l\tr0,@%1\n"
+	"\tbf\t0b"
+	: "+m" (*__mem)
+	: "r" (__mem), "rI08" (__val)
+	: "r0");
+  }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#else /* !__SH4A__ */
+
+/* This is generic/atomicity.h */
+
+#include <ext/atomicity.h>
+#include <ext/concurrence.h>
+
+namespace 
+{
+  __gnu_cxx::__mutex atomic_mutex;
+} // anonymous namespace
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    __gnu_cxx::__scoped_lock sentry(atomic_mutex);
+    _Atomic_word __result;
+    __result = *__mem;
+    *__mem += __val;
+    return __result;
+  }
+
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  { __exchange_and_add(__mem, __val); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#endif /* !__SH4A__ */
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/sparc/atomic_word.h b/gcc-4.9/libstdc++-v3/config/cpu/sparc/atomic_word.h
new file mode 100644
index 000000000..c0c2064e5
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/sparc/atomic_word.h
@@ -0,0 +1,48 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+#ifdef __arch64__
+  typedef long _Atomic_word;
+#else
+  typedef int _Atomic_word;
+#endif
+
+#if defined(__sparc_v9__)
+// These are necessary under the V9 RMO model, though it is almost never
+// used in userspace.
+#define _GLIBCXX_READ_MEM_BARRIER \
+  __asm __volatile ("membar #LoadLoad":::"memory")
+#define _GLIBCXX_WRITE_MEM_BARRIER \
+  __asm __volatile ("membar #StoreStore":::"memory")
+
+#elif defined(__sparc_v8__)
+// This is necessary under the PSO model.
+#define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("stbar":::"memory")
+
+#endif
+
+#endif 
diff --git a/gcc-4.9/libstdc++-v3/config/cpu/sparc/atomicity.h b/gcc-4.9/libstdc++-v3/config/cpu/sparc/atomicity.h
new file mode 100644
index 000000000..54b513286
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/config/cpu/sparc/atomicity.h
@@ -0,0 +1,124 @@
+// Low-level functions for atomic operations: Sparc version  -*- C++ -*-
+
+// Copyright (C) 1999-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 library 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <ext/atomicity.h>
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+#ifdef __arch64__
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word __tmp1, __tmp2;
+    _Atomic_word __val_extended = __val;
+
+    __asm__ __volatile__("1:	ldx	[%3], %0\n\t"
+			 "	add	%0, %4, %1\n\t"
+			 "	casx	[%3], %0, %1\n\t"
+			 "	sub	%0, %1, %0\n\t"
+			 "	brnz,pn	%0, 1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp1), "=&r" (__tmp2), "=m" (*__mem)
+			 : "r" (__mem), "r" (__val_extended), "m" (*__mem));
+    return __tmp2;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word __tmp1, __tmp2;
+    _Atomic_word __val_extended = __val;
+    
+    __asm__ __volatile__("1:	ldx	[%3], %0\n\t"
+			 "	add	%0, %4, %1\n\t"
+			 "	casx	[%3], %0, %1\n\t"
+			 "	sub	%0, %1, %0\n\t"
+			 "	brnz,pn	%0, 1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp1), "=&r" (__tmp2), "=m" (*__mem)
+			 : "r" (__mem), "r" (__val_extended), "m" (*__mem));
+  }
+  
+#else /* __arch32__ */
+
+  template<int __inst>
+    struct _Atomicity_lock
+    {
+      static unsigned char _S_atomicity_lock;
+    };
+
+  template<int __inst>
+  unsigned char _Atomicity_lock<__inst>::_S_atomicity_lock = 0;
+  
+  template unsigned char _Atomicity_lock<0>::_S_atomicity_lock;
+  
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word __result, __tmp;
+    
+    __asm__ __volatile__("1:	ldstub	[%1], %0\n\t"
+			 "	cmp	%0, 0\n\t"
+			 "	bne	1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp)
+			 : "r" (&_Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+    __result = *__mem;
+    *__mem += __val;
+    __asm__ __volatile__("stb	%%g0, [%0]"
+			 : /* no outputs */
+			 : "r" (&_Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+    return __result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val) throw ()
+  {
+    _Atomic_word __tmp;
+    
+    __asm__ __volatile__("1:	ldstub	[%1], %0\n\t"
+			 "	cmp	%0, 0\n\t"
+			 "	bne	1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp)
+			 : "r" (&_Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+    *__mem += __val;
+    __asm__ __volatile__("stb	%%g0, [%0]"
+			 : /* no outputs */
+			 : "r" (&_Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+  }  
+#endif /* __arch32__ */
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace