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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) 2015 Andrey Semashev
- */
- /*!
- * \file atomic/detail/extra_ops_gcc_x86.hpp
- *
- * This header contains implementation of the extra atomic operations for x86.
- */
- #ifndef BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_X86_HPP_INCLUDED_
- #define BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_X86_HPP_INCLUDED_
- #include <cstddef>
- #include <boost/memory_order.hpp>
- #include <boost/atomic/detail/config.hpp>
- #include <boost/atomic/detail/storage_type.hpp>
- #include <boost/atomic/detail/extra_operations_fwd.hpp>
- #include <boost/atomic/capabilities.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- namespace boost {
- namespace atomics {
- namespace detail {
- template< typename Base >
- struct gcc_x86_extra_operations_common :
- public Base
- {
- typedef Base base_type;
- typedef typename base_type::storage_type storage_type;
- static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- return static_cast< storage_type >(Base::fetch_add(storage, v, order) + v);
- }
- static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- return static_cast< storage_type >(Base::fetch_sub(storage, v, order) - v);
- }
- static BOOST_FORCEINLINE bool bit_test_and_set(storage_type volatile& storage, unsigned int bit_number, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; bts %[bit_number], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccc" (res)
- : [bit_number] "Kq" (bit_number)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; bts %[bit_number], %[storage]\n\t"
- "setc %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [bit_number] "Kq" (bit_number)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool bit_test_and_reset(storage_type volatile& storage, unsigned int bit_number, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; btr %[bit_number], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccc" (res)
- : [bit_number] "Kq" (bit_number)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; btr %[bit_number], %[storage]\n\t"
- "setc %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [bit_number] "Kq" (bit_number)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool bit_test_and_complement(storage_type volatile& storage, unsigned int bit_number, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; btc %[bit_number], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccc" (res)
- : [bit_number] "Kq" (bit_number)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; btc %[bit_number], %[storage]\n\t"
- "setc %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [bit_number] "Kq" (bit_number)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 1u, Signed, true > :
- public gcc_x86_extra_operations_common< Base >
- {
- typedef gcc_x86_extra_operations_common< Base > base_type;
- typedef typename base_type::storage_type storage_type;
- typedef typename make_storage_type< 4u >::type temp_storage_type;
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: movzbl %[orig], %2\n\t"\
- op " %b2\n\t"\
- "lock; cmpxchgb %b2, %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), "=&q" (result)\
- : \
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negb", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notb", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negb", original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notb", original, result);
- return static_cast< storage_type >(result);
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, argument, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: mov %[arg], %2\n\t"\
- op " %%al, %b2\n\t"\
- "lock; cmpxchgb %b2, %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), "=&q" (result)\
- : [arg] "ir" ((temp_storage_type)argument)\
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("andb", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("orb", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("xorb", v, original, result);
- return static_cast< storage_type >(result);
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!negate(storage, order);
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!bitwise_complement(storage, order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incb %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decb %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; negb %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; andb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; orb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; xorb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; notb %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : "memory"
- );
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incb %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incb %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addb %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decb %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decb %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subb %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; andb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; andb %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; orb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; orb %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; xorb %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; xorb %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 2u, Signed, true > :
- public gcc_x86_extra_operations_common< Base >
- {
- typedef gcc_x86_extra_operations_common< Base > base_type;
- typedef typename base_type::storage_type storage_type;
- typedef typename make_storage_type< 4u >::type temp_storage_type;
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: movzwl %[orig], %2\n\t"\
- op " %w2\n\t"\
- "lock; cmpxchgw %w2, %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), "=&q" (result)\
- : \
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negw", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notw", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negw", original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notw", original, result);
- return static_cast< storage_type >(result);
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, argument, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: mov %[arg], %2\n\t"\
- op " %%ax, %w2\n\t"\
- "lock; cmpxchgw %w2, %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), "=&q" (result)\
- : [arg] "ir" ((temp_storage_type)argument)\
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("andw", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("orw", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- temp_storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("xorw", v, original, result);
- return static_cast< storage_type >(result);
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!negate(storage, order);
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!bitwise_complement(storage, order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incw %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decw %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; negw %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; andw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; orw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; xorw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; notw %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : "memory"
- );
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incw %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incw %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addw %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decw %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decw %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subw %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; andw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; andw %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; orw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; orw %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; xorw %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "iq" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; xorw %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "iq" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 4u, Signed, true > :
- public gcc_x86_extra_operations_common< Base >
- {
- typedef gcc_x86_extra_operations_common< Base > base_type;
- typedef typename base_type::storage_type storage_type;
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: mov %[orig], %[res]\n\t"\
- op " %[res]\n\t"\
- "lock; cmpxchgl %[res], %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), [res] "=&r" (result)\
- : \
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negl", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notl", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negl", original, result);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notl", original, result);
- return result;
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, argument, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: mov %[arg], %[res]\n\t"\
- op " %%eax, %[res]\n\t"\
- "lock; cmpxchgl %[res], %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), [res] "=&r" (result)\
- : [arg] "ir" (argument)\
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("andl", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("orl", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("xorl", v, original, result);
- return static_cast< storage_type >(result);
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!negate(storage, order);
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!bitwise_complement(storage, order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incl %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decl %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; negl %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; andl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; orl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; xorl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; notl %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : "memory"
- );
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incl %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "ir" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incl %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addl %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decl %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "ir" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decl %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subl %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; andl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "ir" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; andl %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; orl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "ir" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; orl %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; xorl %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "ir" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; xorl %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "ir" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- };
- #if defined(__x86_64__)
- template< typename Base, bool Signed >
- struct extra_operations< Base, 8u, Signed, true > :
- public gcc_x86_extra_operations_common< Base >
- {
- typedef gcc_x86_extra_operations_common< Base > base_type;
- typedef typename base_type::storage_type storage_type;
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: mov %[orig], %[res]\n\t"\
- op " %[res]\n\t"\
- "lock; cmpxchgq %[res], %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), [res] "=&r" (result)\
- : \
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negq", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notq", original, result);
- return original;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("negq", original, result);
- return result;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("notq", original, result);
- return result;
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- #define BOOST_ATOMIC_DETAIL_CAS_LOOP(op, argument, original, result)\
- __asm__ __volatile__\
- (\
- ".align 16\n\t"\
- "1: mov %[arg], %[res]\n\t"\
- op " %%rax, %[res]\n\t"\
- "lock; cmpxchgq %[res], %[storage]\n\t"\
- "jne 1b"\
- : [orig] "+a" (original), [storage] "+m" (storage), [res] "=&r" (result)\
- : [arg] "r" (argument)\
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"\
- )
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("andq", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("orq", v, original, result);
- return static_cast< storage_type >(result);
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- storage_type original = storage;
- storage_type result;
- BOOST_ATOMIC_DETAIL_CAS_LOOP("xorq", v, original, result);
- return static_cast< storage_type >(result);
- }
- #undef BOOST_ATOMIC_DETAIL_CAS_LOOP
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!negate(storage, order);
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- return !!bitwise_complement(storage, order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incq %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decq %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; negq %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; andq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; orq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; xorq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order) BOOST_NOEXCEPT
- {
- __asm__ __volatile__
- (
- "lock; notq %[storage]\n\t"
- : [storage] "+m" (storage)
- :
- : "memory"
- );
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incq %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "er" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; incq %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; addq %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decq %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- :
- : "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "er" (v)
- : "memory"
- );
- }
- #else
- if (BOOST_ATOMIC_DETAIL_IS_CONSTANT(v) && v == 1)
- {
- __asm__ __volatile__
- (
- "lock; decq %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- :
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- else
- {
- __asm__ __volatile__
- (
- "lock; subq %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- }
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; andq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "er" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; andq %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; orq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "er" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; orq %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT
- {
- bool res;
- #if defined(BOOST_ATOMIC_DETAIL_ASM_HAS_FLAG_OUTPUTS)
- __asm__ __volatile__
- (
- "lock; xorq %[argument], %[storage]\n\t"
- : [storage] "+m" (storage), [result] "=@ccnz" (res)
- : [argument] "er" (v)
- : "memory"
- );
- #else
- __asm__ __volatile__
- (
- "lock; xorq %[argument], %[storage]\n\t"
- "setnz %[result]\n\t"
- : [storage] "+m" (storage), [result] "=q" (res)
- : [argument] "er" (v)
- : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "memory"
- );
- #endif
- return res;
- }
- };
- #endif // defined(__x86_64__)
- } // namespace detail
- } // namespace atomics
- } // namespace boost
- #endif // BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_X86_HPP_INCLUDED_
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