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ext-boost/boost/atomic/detail/extra_ops_gcc_x86.hpp
Fernando Sahmkow 77abe07b3b externals: Update boost to 1.72 and add Boost Context
2020-02-10 12:31:57 -04:00

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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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