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b568af853b
Switch power to builtin atomics. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Atomic operations. PowerPC Common version.
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Copyright (C) 2003-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/*
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* Never include sysdeps/powerpc/atomic-machine.h directly.
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* Always use include/atomic.h which will include either
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* sysdeps/powerpc/powerpc32/atomic-machine.h
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* or
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* sysdeps/powerpc/powerpc64/atomic-machine.h
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* as appropriate and which in turn include this file.
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*/
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#define __ARCH_ACQ_INSTR "isync"
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#ifndef __ARCH_REL_INSTR
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# define __ARCH_REL_INSTR "sync"
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#endif
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#ifndef MUTEX_HINT_ACQ
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# define MUTEX_HINT_ACQ
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#endif
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#ifndef MUTEX_HINT_REL
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# define MUTEX_HINT_REL
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#endif
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#define atomic_full_barrier() __asm ("sync" ::: "memory")
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