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- /*
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- *
- * Copyright (c) 2020-2025 Andrey Semashev
- */
- /*!
- * \file atomic/detail/extra_ops_gcc_aarch64.hpp
- *
- * This header contains implementation of the extra atomic operations for AArch64.
- */
- #ifndef BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_AARCH64_HPP_INCLUDED_
- #define BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_AARCH64_HPP_INCLUDED_
- #include <cstddef>
- #include <cstdint>
- #include <boost/memory_order.hpp>
- #include <boost/atomic/detail/config.hpp>
- #include <boost/atomic/detail/platform.hpp>
- #include <boost/atomic/detail/storage_traits.hpp>
- #include <boost/atomic/detail/extra_operations_fwd.hpp>
- #include <boost/atomic/detail/extra_ops_generic.hpp>
- #include <boost/atomic/detail/ops_gcc_aarch64_common.hpp>
- #include <boost/atomic/detail/capabilities.hpp>
- #include <boost/atomic/detail/header.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- namespace boost {
- namespace atomics {
- namespace detail {
- template< typename Base >
- struct extra_operations_gcc_aarch64_common :
- public Base
- {
- using base_type = Base;
- using storage_type = typename base_type::storage_type;
- // Note: For opaque operations prefer operations returning the resulting values instead of the original values
- // as these operations require less registers. That is unless LSE is available, in which case
- // it is better to use the dedicated atomic instructions. The LSE check is done in the base_type,
- // where needed (e.g. for 128-bit operations there are no LSE instructions).
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) noexcept
- {
- base_type::negate(storage, order);
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- base_type::bitwise_complement(storage, order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- base_type::add(storage, v, order);
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- base_type::sub(storage, v, order);
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- base_type::bitwise_and(storage, v, order);
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- base_type::bitwise_or(storage, v, order);
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- base_type::bitwise_xor(storage, v, order);
- }
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) noexcept
- {
- return !!base_type::negate(storage, order);
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- return !!base_type::add(storage, v, order);
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- return !!base_type::sub(storage, v, order);
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- return !!base_type::bitwise_and(storage, v, order);
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- return !!base_type::bitwise_or(storage, v, order);
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- return !!base_type::bitwise_xor(storage, v, order);
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) noexcept
- {
- return !!base_type::bitwise_complement(storage, order);
- }
- };
- template< typename Base, std::size_t Size, bool Signed >
- struct extra_operations_gcc_aarch64;
- template< typename Base, bool Signed >
- struct extra_operations_gcc_aarch64< Base, 1u, Signed > :
- public extra_operations_generic< Base, 1u, Signed >
- {
- using base_type = extra_operations_generic< Base, 1u, Signed >;
- using storage_type = typename base_type::storage_type;
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[original], %[storage]\n\t"\
- "neg %w[result], %w[original]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[result], %[storage]\n\t"\
- "neg %w[result], %w[result]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #if !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[result], %[storage]\n\t"\
- "add %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[result], %[storage]\n\t"\
- "sub %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[result], %[storage]\n\t"\
- "and %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[result], %[storage]\n\t"\
- "orr %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[result], %[storage]\n\t"\
- "eor %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[original], %[storage]\n\t"\
- "mvn %w[result], %w[original]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrb %w[result], %[storage]\n\t"\
- "mvn %w[result], %w[result]\n\t"\
- "st" st_mo "xrb %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #endif // !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 1u, Signed, true > :
- public extra_operations_gcc_aarch64_common< extra_operations_gcc_aarch64< Base, 1u, Signed > >
- {
- };
- template< typename Base, bool Signed >
- struct extra_operations_gcc_aarch64< Base, 2u, Signed > :
- public extra_operations_generic< Base, 2u, Signed >
- {
- using base_type = extra_operations_generic< Base, 2u, Signed >;
- using storage_type = typename base_type::storage_type;
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[original], %[storage]\n\t"\
- "neg %w[result], %w[original]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[result], %[storage]\n\t"\
- "neg %w[result], %w[result]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #if !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[result], %[storage]\n\t"\
- "add %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[result], %[storage]\n\t"\
- "sub %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[result], %[storage]\n\t"\
- "and %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[result], %[storage]\n\t"\
- "orr %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[result], %[storage]\n\t"\
- "eor %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[original], %[storage]\n\t"\
- "mvn %w[result], %w[original]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xrh %w[result], %[storage]\n\t"\
- "mvn %w[result], %w[result]\n\t"\
- "st" st_mo "xrh %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #endif // !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 2u, Signed, true > :
- public extra_operations_gcc_aarch64_common< extra_operations_gcc_aarch64< Base, 2u, Signed > >
- {
- };
- template< typename Base, bool Signed >
- struct extra_operations_gcc_aarch64< Base, 4u, Signed > :
- public extra_operations_generic< Base, 4u, Signed >
- {
- using base_type = extra_operations_generic< Base, 4u, Signed >;
- using storage_type = typename base_type::storage_type;
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[original], %[storage]\n\t"\
- "neg %w[result], %w[original]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[result], %[storage]\n\t"\
- "neg %w[result], %w[result]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #if !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[result], %[storage]\n\t"\
- "add %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[result], %[storage]\n\t"\
- "sub %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[result], %[storage]\n\t"\
- "and %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[result], %[storage]\n\t"\
- "orr %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[result], %[storage]\n\t"\
- "eor %w[result], %w[result], %w[value]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Kr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[original], %[storage]\n\t"\
- "mvn %w[result], %w[original]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %w[result], %[storage]\n\t"\
- "mvn %w[result], %w[result]\n\t"\
- "st" st_mo "xr %w[tmp], %w[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #endif // !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 4u, Signed, true > :
- public extra_operations_gcc_aarch64_common< extra_operations_gcc_aarch64< Base, 4u, Signed > >
- {
- };
- template< typename Base, bool Signed >
- struct extra_operations_gcc_aarch64< Base, 8u, Signed > :
- public extra_operations_generic< Base, 8u, Signed >
- {
- using base_type = extra_operations_generic< Base, 8u, Signed >;
- using storage_type = typename base_type::storage_type;
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[original], %[storage]\n\t"\
- "neg %x[result], %x[original]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[result], %[storage]\n\t"\
- "neg %x[result], %x[result]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #if !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[result], %[storage]\n\t"\
- "add %x[result], %x[result], %x[value]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[result], %[storage]\n\t"\
- "sub %x[result], %x[result], %x[value]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Ir" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[result], %[storage]\n\t"\
- "and %x[result], %x[result], %x[value]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Lr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[result], %[storage]\n\t"\
- "orr %x[result], %x[result], %x[value]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Lr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[result], %[storage]\n\t"\
- "eor %x[result], %x[result], %x[value]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : [value] "Lr" (v)\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type original, result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[original], %[storage]\n\t"\
- "mvn %x[result], %x[original]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [result] "=&r" (result), [storage] "+Q" (storage), [original] "=&r" (original)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_type result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xr %x[result], %[storage]\n\t"\
- "mvn %x[result], %x[result]\n\t"\
- "st" st_mo "xr %w[tmp], %x[result], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage), [result] "=&r" (result)\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result;
- }
- #endif // !defined(BOOST_ATOMIC_DETAIL_AARCH64_HAS_LSE)
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 8u, Signed, true > :
- public extra_operations_gcc_aarch64_common< extra_operations_gcc_aarch64< Base, 8u, Signed > >
- {
- };
- template< typename Base, bool Signed >
- struct extra_operations_gcc_aarch64< Base, 16u, Signed > :
- public extra_operations_generic< Base, 16u, Signed >
- {
- using base_type = extra_operations_generic< Base, 16u, Signed >;
- using storage_type = typename base_type::storage_type;
- using storage_union = typename base_type::storage_union;
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union original;
- storage_union result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[original_0], %x[original_1], %[storage]\n\t"\
- "mvn %x[result_0], %x[original_0]\n\t"\
- "mvn %x[result_1], %x[original_1]\n\t"\
- "adds %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], #1\n\t"\
- "adc %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], xzr\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [original_0] "=&r" (original.as_uint64[0u]), [original_1] "=&r" (original.as_uint64[1u]),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : \
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original.as_storage;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[result_0], %x[result_1], %[storage]\n\t"\
- "mvn %x[result_0], %x[result_0]\n\t"\
- "mvn %x[result_1], %x[result_1]\n\t"\
- "adds %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], #1\n\t"\
- "adc %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], xzr\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : \
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result.as_storage;
- }
- static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union result;
- storage_union value = { v };
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[result_0], %x[result_1], %[storage]\n\t"\
- "adds %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], %x[value_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "]\n\t"\
- "adc %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], %x[value_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "]\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : [value_0] "r" (value.as_uint64[0u]), [value_1] "r" (value.as_uint64[1u])\
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result.as_storage;
- }
- static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union result;
- storage_union value = { v };
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[result_0], %x[result_1], %[storage]\n\t"\
- "subs %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "], %x[value_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_LO "]\n\t"\
- "sbc %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], %x[result_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "], %x[value_" BOOST_ATOMIC_DETAIL_AARCH64_ASM_ARG_HI "]\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : [value_0] "r" (value.as_uint64[0u]), [value_1] "r" (value.as_uint64[1u])\
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result.as_storage;
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union result;
- storage_union value = { v };
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[result_0], %x[result_1], %[storage]\n\t"\
- "and %x[result_0], %x[result_0], %x[value_0]\n\t"\
- "and %x[result_1], %x[result_1], %x[value_1]\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : [value_0] "Lr" (value.as_uint64[0u]), [value_1] "Lr" (value.as_uint64[1u])\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result.as_storage;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union result;
- storage_union value = { v };
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[result_0], %x[result_1], %[storage]\n\t"\
- "orr %x[result_0], %x[result_0], %x[value_0]\n\t"\
- "orr %x[result_1], %x[result_1], %x[value_1]\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : [value_0] "Lr" (value.as_uint64[0u]), [value_1] "Lr" (value.as_uint64[1u])\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result.as_storage;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union result;
- storage_union value = { v };
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[result_0], %x[result_1], %[storage]\n\t"\
- "eor %x[result_0], %x[result_0], %x[value_0]\n\t"\
- "eor %x[result_1], %x[result_1], %x[value_1]\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : [value_0] "Lr" (value.as_uint64[0u]), [value_1] "Lr" (value.as_uint64[1u])\
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result.as_storage;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union original;
- storage_union result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[original_0], %x[original_1], %[storage]\n\t"\
- "mvn %x[result_0], %x[original_0]\n\t"\
- "mvn %x[result_1], %x[original_1]\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [original_0] "=&r" (original.as_uint64[0u]), [original_1] "=&r" (original.as_uint64[1u]),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return original.as_storage;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) noexcept
- {
- BOOST_ATOMIC_DETAIL_TSAN_RELEASE(&storage, order);
- storage_union result;
- std::uint32_t tmp;
- #define BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN(ld_mo, st_mo)\
- __asm__ __volatile__\
- (\
- "1:\n\t"\
- "ld" ld_mo "xp %x[result_0], %x[result_1], %[storage]\n\t"\
- "mvn %x[result_0], %x[result_0]\n\t"\
- "mvn %x[result_1], %x[result_1]\n\t"\
- "st" st_mo "xp %w[tmp], %x[result_0], %x[result_1], %[storage]\n\t"\
- "cbnz %w[tmp], 1b\n\t"\
- : [tmp] "=&r" (tmp), [storage] "+Q" (storage),\
- [result_0] "=&r" (result.as_uint64[0u]), [result_1] "=&r" (result.as_uint64[1u])\
- : \
- : "memory"\
- );
- BOOST_ATOMIC_DETAIL_AARCH64_MO_SWITCH(order)
- #undef BOOST_ATOMIC_DETAIL_AARCH64_MO_INSN
- BOOST_ATOMIC_DETAIL_TSAN_ACQUIRE(&storage, order);
- return result.as_storage;
- }
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 16u, Signed, true > :
- public extra_operations_gcc_aarch64_common< extra_operations_gcc_aarch64< Base, 16u, Signed > >
- {
- };
- } // namespace detail
- } // namespace atomics
- } // namespace boost
- #include <boost/atomic/detail/footer.hpp>
- #endif // BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_AARCH64_HPP_INCLUDED_
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