diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index ed3de3f03677ff3248dea02a9c104e8b9838ee7c..ef72d5ccc853548bdbaa2b7c2fec0c4cf356fdf6 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,14 @@ +2002-11-01 Benjamin Kosnik <bkoz@redhat.com> + + PR libstdc++/7926 + * configure.target: Simplify. + * config/cpu/i386/atomicity.h: Remove. + * config/cpu/i386: Remove. + * config/cpu/arm/atomicity.h: Remove. + * config/cpu/arm: Remove. + * config/cpu/x86-64/atomicity.h: Remove. + * config/cpu/x86-64: Remove. + 2002-11-01 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de> PR libstdc++/8197 diff --git a/libstdc++-v3/config/cpu/arm/atomicity.h b/libstdc++-v3/config/cpu/arm/atomicity.h deleted file mode 100644 index 7b952aac365dd8b618a5c2c72a122dd764ace047..0000000000000000000000000000000000000000 --- a/libstdc++-v3/config/cpu/arm/atomicity.h +++ /dev/null @@ -1,62 +0,0 @@ -// Low-level functions for atomic operations: ARM version -*- C++ -*- - -// Copyright (C) 2000, 2001 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 2, 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. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -#ifndef _BITS_ATOMICITY_H -#define _BITS_ATOMICITY_H 1 - -typedef int _Atomic_word; - -/* It isn't possible to write an atomic add instruction using the ARM - SWP instruction without using either a global guard variable or a - guard bit somewhere in the Atomic word. However, even with a guard - bit we need to understand the thread model (if any) in order to - make co-operatively threaded applications work correctly. - - The previous Thumb-based implementations were also completely - broken, since they failed to switch back into Thumb mode (Gas bug, - I think). */ - -static inline _Atomic_word -__attribute__ ((__unused__)) -__exchange_and_add (volatile _Atomic_word* __mem, int __val) -{ - _Atomic_word __result = *__mem; - - *__mem = __result + __val; - return __result; -} - -static inline void -__attribute__ ((__unused__)) -__atomic_add (volatile _Atomic_word *__mem, int __val) -{ - __exchange_and_add (__mem, __val); -} - -#endif /* atomicity.h */ diff --git a/libstdc++-v3/config/cpu/i386/atomicity.h b/libstdc++-v3/config/cpu/i386/atomicity.h deleted file mode 100644 index 4733503ff44b525a9c57aada179aa8d6b643af20..0000000000000000000000000000000000000000 --- a/libstdc++-v3/config/cpu/i386/atomicity.h +++ /dev/null @@ -1,59 +0,0 @@ -// Low-level functions for atomic operations: x86, x < 4 version -*- C++ -*- - -// Copyright (C) 1999, 2000, 2001 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 2, 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. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -#ifndef _BITS_ATOMICITY_H -#define _BITS_ATOMICITY_H 1 - -typedef int _Atomic_word; - -static inline _Atomic_word -__attribute__ ((__unused__)) -__exchange_and_add (volatile _Atomic_word *__mem, int __val) -{ - register _Atomic_word __result; - __asm__ __volatile__ ("lock; xaddl %0,%2" - : "=r" (__result) - : "0" (__val), "m" (*__mem) - : "memory"); - return __result; -} - -static inline void -__attribute__ ((__unused__)) -__atomic_add (volatile _Atomic_word* __mem, int __val) -{ - __asm__ __volatile__ ("lock; addl %0,%1" - : : "ir" (__val), "m" (*__mem) : "memory"); -} - -#endif /* atomicity.h */ - - - - diff --git a/libstdc++-v3/config/cpu/x86-64/atomicity.h b/libstdc++-v3/config/cpu/x86-64/atomicity.h deleted file mode 100644 index 15ff07fc17214f36eee66e46e7a9ce70663421e9..0000000000000000000000000000000000000000 --- a/libstdc++-v3/config/cpu/x86-64/atomicity.h +++ /dev/null @@ -1,55 +0,0 @@ -// Low-level functions for atomic operations: AMD x86-64, -*- C++ -*- - -// Copyright (C) 2001 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 2, 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. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -#ifndef _BITS_ATOMICITY_H -#define _BITS_ATOMICITY_H 1 - -typedef int _Atomic_word; - -static inline _Atomic_word -__attribute__ ((__unused__)) -__exchange_and_add (volatile _Atomic_word *__mem, int __val) -{ - register _Atomic_word __result; - __asm__ __volatile__ ("lock; xaddl %0,%2" - : "=r" (__result) - : "0" (__val), "m" (*__mem) - : "memory"); - return __result; -} - -static inline void -__attribute__ ((__unused__)) -__atomic_add (volatile _Atomic_word* __mem, int __val) -{ - __asm__ __volatile__ ("lock; addl %0,%1" - : : "ir" (__val), "m" (*__mem) : "memory"); -} - -#endif /* atomicity.h */ diff --git a/libstdc++-v3/configure.target b/libstdc++-v3/configure.target index dc9c44b6f75690b976ba6c2a7b610d348ff2a4f9..d3043c08f61248a935ca865f2f1d187626da771e 100644 --- a/libstdc++-v3/configure.target +++ b/libstdc++-v3/configure.target @@ -50,17 +50,15 @@ # Try to guess a default cpu_include_dir based on the name of the CPU. We # cannot do this for os_include_dir; there are too many portable operating # systems out there. :-) +abi_baseline_triplet=${target} +c_model=c_std +c_compatibility=no if test -d ${glibcpp_srcdir}/config/cpu/${target_cpu}; then cpu_include_dir="cpu/${target_cpu}" else cpu_include_dir="cpu/generic" fi -abi_baseline_triplet=${target} - -c_model=c_std -c_compatibility=no - # TARGET-SPECIFIC OVERRIDES # Set any CPU-dependent bits. @@ -71,36 +69,21 @@ case "${target_cpu}" in alpha*) cpu_include_dir="cpu/alpha" ;; - arm* | strongarm* | xscale* ) - cpu_include_dir="cpu/arm" - ;; - i486 | i586 | i686 | i786) - # add athlons here maybe + athlon* | i586 | i686 | i786 | x86_64) cpu_include_dir="cpu/i486" ;; - m68k | m680[246]0) + m680[246]0) cpu_include_dir="cpu/m68k" ;; - mips*) - # MIPS chips are unreliable as to sc/ll support. By default - # don't use atomic instructions and override for the OS. - cpu_include_dir="cpu/generic" - ;; - mmix) - ATOMICITYH="cpu/generic" - ;; powerpc* | rs6000) cpu_include_dir="cpu/powerpc" ;; - s390 | s390x) + s390x) cpu_include_dir="cpu/s390" ;; sparc* | ultrasparc) cpu_include_dir="cpu/sparc" ;; - x86_64*) - cpu_include_dir="cpu/x86-64" - ;; esac