diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/config/cpu')
19 files changed, 0 insertions, 1223 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/alpha/atomic_word.h b/gcc-4.4.3/libstdc++-v3/config/cpu/alpha/atomic_word.h deleted file mode 100644 index 266b3855e..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/alpha/atomic_word.h +++ /dev/null @@ -1,33 +0,0 @@ -// Low-level type for atomic operations -*- C++ -*- - -// Copyright (C) 2004, 2009 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-4.4.3/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h b/gcc-4.4.3/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h deleted file mode 100644 index 1bfc58810..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h +++ /dev/null @@ -1,81 +0,0 @@ -// Control various target specific ABI tweaks. ARM version. - -// Copyright (C) 2004, 2006, 2008, 2009 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 cxxabi_tweaks.h - * The header provides an CPU-variable interface to the C++ ABI. - */ - -#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-4.4.3/libstdc++-v3/config/cpu/cris/atomic_word.h b/gcc-4.4.3/libstdc++-v3/config/cpu/cris/atomic_word.h deleted file mode 100644 index 369b7b0c5..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/cris/atomic_word.h +++ /dev/null @@ -1,31 +0,0 @@ -// Low-level type for atomic operations -*- C++ -*- - -// Copyright (C) 2004, 2009 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-4.4.3/libstdc++-v3/config/cpu/cris/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/cris/atomicity.h deleted file mode 100644 index 37be3a847..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/cris/atomicity.h +++ /dev/null @@ -1,86 +0,0 @@ -// Low-level functions for atomic operations: CRIS version -*- C++ -*- - -// Copyright (C) 2001, 2003, 2004, 2005, 2009 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> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - _Atomic_word - __exchange_and_add(volatile _Atomic_word* __mem, int __val) - { - 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) - { __exchange_and_add(__mem, __val); } - -_GLIBCXX_END_NAMESPACE diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h b/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h deleted file mode 100644 index f2bdbbc96..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h +++ /dev/null @@ -1,47 +0,0 @@ -// Low-level type for atomic operations -*- C++ -*- - -// Copyright (C) 2004, 2009 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-4.4.3/libstdc++-v3/config/cpu/generic/atomicity_builtins/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomicity_builtins/atomicity.h deleted file mode 100644 index 9b3b997db..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomicity_builtins/atomicity.h +++ /dev/null @@ -1,45 +0,0 @@ -// Low-level functions for atomic operations: version for CPUs providing -// atomic builtins -*- C++ -*- - -// Copyright (C) 2006, 2009 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/atomicity.h - * This file is a GNU extension to the Standard C++ Library. - */ - -#include <bits/c++config.h> -#include <bits/atomic_word.h> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - _Atomic_word - __attribute__ ((__unused__)) - __exchange_and_add(volatile _Atomic_word* __mem, int __val) - { return __sync_fetch_and_add(__mem, __val); } - - void - __attribute__ ((__unused__)) - __atomic_add(volatile _Atomic_word* __mem, int __val) - { __sync_fetch_and_add(__mem, __val); } - -_GLIBCXX_END_NAMESPACE diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h deleted file mode 100644 index d8a5245c6..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h +++ /dev/null @@ -1,61 +0,0 @@ -// Low-level functions for atomic operations: Generic version -*- C++ -*- - -// Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2009 -// 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/atomicity.h - * This file is a GNU extension to the Standard C++ Library. - */ - -#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 - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - _Atomic_word - __attribute__ ((__unused__)) - __exchange_and_add(volatile _Atomic_word* __mem, int __val) - { - __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) - { __exchange_and_add(__mem, __val); } - -_GLIBCXX_END_NAMESPACE diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/cpu_defines.h b/gcc-4.4.3/libstdc++-v3/config/cpu/generic/cpu_defines.h deleted file mode 100644 index faf97e17e..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/cpu_defines.h +++ /dev/null @@ -1,33 +0,0 @@ -// Specific definitions for generic platforms -*- C++ -*- - -// Copyright (C) 2005, 2009 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 cpu_defines.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -#ifndef _GLIBCXX_CPU_DEFINES -#define _GLIBCXX_CPU_DEFINES 1 - -#endif diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h b/gcc-4.4.3/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h deleted file mode 100644 index 8354691e1..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h +++ /dev/null @@ -1,58 +0,0 @@ -// Control various target specific ABI tweaks. Generic version. - -// Copyright (C) 2004, 2006, 2008, 2009 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 cxxabi_tweaks.h - * The header provides an CPU-variable interface to the C++ ABI. - */ - -#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-4.4.3/libstdc++-v3/config/cpu/hppa/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/hppa/atomicity.h deleted file mode 100644 index 6a167e955..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/hppa/atomicity.h +++ /dev/null @@ -1,91 +0,0 @@ -// Low-level functions for atomic operations: PA-RISC version -*- C++ -*- - -// Copyright (C) 2002, 2004, 2005, 2009 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> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - 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) - { - _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) - { - 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 diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/i386/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/i386/atomicity.h deleted file mode 100644 index de2b329e8..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/i386/atomicity.h +++ /dev/null @@ -1,70 +0,0 @@ -// Low-level functions for atomic operations: x86, x >= 3 version -*- C++ -*- - -// Copyright (C) 2003, 2004, 2005, 2009 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> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - 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) - { - 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) - { __exchange_and_add(__mem, __val); } - -_GLIBCXX_END_NAMESPACE diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/i486/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/i486/atomicity.h deleted file mode 100644 index 42f9a8fec..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/i486/atomicity.h +++ /dev/null @@ -1,49 +0,0 @@ -// Low-level functions for atomic operations: x86, x >= 4 version -*- C++ -*- - -// Copyright (C) 1999, 2000, 2001, 2004, 2005, 2009 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> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - _Atomic_word - __attribute__ ((__unused__)) - __exchange_and_add(volatile _Atomic_word* __mem, int __val) - { - 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) - { - __asm__ __volatile__ ("lock; add{l} {%1,%0|%0,%1}" - : "=m" (*__mem) : "ir" (__val), "m" (*__mem)); - } - -_GLIBCXX_END_NAMESPACE - diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/ia64/atomic_word.h b/gcc-4.4.3/libstdc++-v3/config/cpu/ia64/atomic_word.h deleted file mode 100644 index e1251c5d1..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/ia64/atomic_word.h +++ /dev/null @@ -1,64 +0,0 @@ -// Low-level type for atomic operations -*- C++ -*- - -// Copyright (C) 2004, 2005, 2006, 2007, 2009 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 -{ - // 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-4.4.3/libstdc++-v3/config/cpu/m68k/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/m68k/atomicity.h deleted file mode 100644 index e6cdbeebc..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/m68k/atomicity.h +++ /dev/null @@ -1,129 +0,0 @@ -// Low-level functions for atomic operations: m68k version -*- C++ -*- - -// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2009 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> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - -#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) - { - 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) - { - _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) - { - _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) - { - // Careful: using add.l with a memory destination is not - // architecturally guaranteed to be atomic. - __exchange_and_add(__mem, __val); - } - -_GLIBCXX_END_NAMESPACE diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/powerpc/atomic_word.h b/gcc-4.4.3/libstdc++-v3/config/cpu/powerpc/atomic_word.h deleted file mode 100644 index 2c7bd8232..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/powerpc/atomic_word.h +++ /dev/null @@ -1,37 +0,0 @@ -// Low-level type for atomic operations -*- C++ -*- - -// Copyright (C) 2004, 2009 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-4.4.3/libstdc++-v3/config/cpu/powerpc/cpu_defines.h b/gcc-4.4.3/libstdc++-v3/config/cpu/powerpc/cpu_defines.h deleted file mode 100644 index 10b3a3d3c..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/powerpc/cpu_defines.h +++ /dev/null @@ -1,36 +0,0 @@ -// Specific definitions for generic platforms -*- C++ -*- - -// Copyright (C) 2005, 2009 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 cpu_defines.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -#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-4.4.3/libstdc++-v3/config/cpu/sh/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/sh/atomicity.h deleted file mode 100644 index cecbf555e..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/sh/atomicity.h +++ /dev/null @@ -1,102 +0,0 @@ -// Low-level functions for atomic operations: sh version -*- C++ -*- - -// Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2009 -// 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__ - -#ifndef _GLIBCXX_ATOMICITY_H -#define _GLIBCXX_ATOMICITY_H 1 - -typedef int _Atomic_word; - -static inline _Atomic_word -__attribute__ ((__unused__)) -__exchange_and_add (volatile _Atomic_word* __mem, int __val) -{ - _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; -} - - -static inline void -__attribute__ ((__unused__)) -__atomic_add (volatile _Atomic_word* __mem, int __val) -{ - 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"); -} - -#endif - -#else /* !__SH4A__ */ - -/* This is generic/atomicity.h */ - -#include <ext/atomicity.h> -#include <ext/concurrence.h> - -namespace -{ - __gnu_cxx::__mutex atomic_mutex; -} // anonymous namespace - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - _Atomic_word - __attribute__ ((__unused__)) - __exchange_and_add(volatile _Atomic_word* __mem, int __val) - { - __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) - { __exchange_and_add(__mem, __val); } - -_GLIBCXX_END_NAMESPACE - -#endif /* !__SH4A__ */ diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/sparc/atomic_word.h b/gcc-4.4.3/libstdc++-v3/config/cpu/sparc/atomic_word.h deleted file mode 100644 index 41e7bd4df..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/sparc/atomic_word.h +++ /dev/null @@ -1,48 +0,0 @@ -// Low-level type for atomic operations -*- C++ -*- - -// Copyright (C) 2004, 2009 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-4.4.3/libstdc++-v3/config/cpu/sparc/atomicity.h b/gcc-4.4.3/libstdc++-v3/config/cpu/sparc/atomicity.h deleted file mode 100644 index be3b07f3f..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/sparc/atomicity.h +++ /dev/null @@ -1,122 +0,0 @@ -// Low-level functions for atomic operations: Sparc version -*- C++ -*- - -// Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2009 -// 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> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - -#ifdef __arch64__ - _Atomic_word - __attribute__ ((__unused__)) - __exchange_and_add(volatile _Atomic_word* __mem, int __val) - { - _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) - { - _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) - { - _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) - { - _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 |