This file is no longer used, because we always use the definitions in
config/cpu/generic/atomicity_builtins/atomicity.h now.
HP confirmed that the code generated by __atomic_fetch_add is fine and
we don't need the handwritten assembly.
libstdc++-v3/ChangeLog:
PR libstdc++/122172
* config/cpu/cris/atomicity.h: Removed.
---
Cross-compiler for cris-elf built successfully with the change.
libstdc++-v3/config/cpu/cris/atomicity.h | 89 ------------------------
1 file changed, 89 deletions(-)
delete mode 100644 libstdc++-v3/config/cpu/cris/atomicity.h
diff --git a/libstdc++-v3/config/cpu/cris/atomicity.h
b/libstdc++-v3/config/cpu/cris/atomicity.h
deleted file mode 100644
index 9d3cec403a14..000000000000
--- a/libstdc++-v3/config/cpu/cris/atomicity.h
+++ /dev/null
@@ -1,89 +0,0 @@
-// Low-level functions for atomic operations: CRIS version -*- C++ -*-
-
-// Copyright (C) 2001-2025 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
--
2.51.0
