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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) 2017 Andrey Semashev
- */
- /*!
- * \file atomic/detail/extra_ops_msvc_x86.hpp
- *
- * This header contains implementation of the extra atomic operations for x86.
- */
- #ifndef BOOST_ATOMIC_DETAIL_EXTRA_OPS_MSVC_X86_HPP_INCLUDED_
- #define BOOST_ATOMIC_DETAIL_EXTRA_OPS_MSVC_X86_HPP_INCLUDED_
- #include <cstddef>
- #include <boost/memory_order.hpp>
- #include <boost/atomic/detail/config.hpp>
- #include <boost/atomic/detail/interlocked.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/capabilities.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- #if defined(BOOST_MSVC)
- #pragma warning(push)
- // frame pointer register 'ebx' modified by inline assembly code
- #pragma warning(disable: 4731)
- #endif
- namespace boost {
- namespace atomics {
- namespace detail {
- #if defined(_M_IX86)
- template< typename Base, bool Signed >
- struct extra_operations< Base, 1u, Signed, true > :
- public generic_extra_operations< Base, 1u, Signed >
- {
- typedef generic_extra_operations< Base, 1u, Signed > base_type;
- typedef typename base_type::storage_type storage_type;
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type old_val;
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- mov old_val, al
- };
- base_type::fence_after(order);
- return old_val;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type new_val;
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- mov new_val, dl
- };
- base_type::fence_after(order);
- return new_val;
- }
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- test dl, dl
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- movzx ecx, v
- xor edx, edx
- movzx eax, byte ptr [edi]
- align 16
- again:
- mov dl, al
- and dl, cl
- lock cmpxchg byte ptr [edi], dl
- jne again
- mov v, dl
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- movzx ecx, v
- xor edx, edx
- movzx eax, byte ptr [edi]
- align 16
- again:
- mov dl, al
- or dl, cl
- lock cmpxchg byte ptr [edi], dl
- jne again
- mov v, dl
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- movzx ecx, v
- xor edx, edx
- movzx eax, byte ptr [edi]
- align 16
- again:
- mov dl, al
- xor dl, cl
- lock cmpxchg byte ptr [edi], dl
- jne again
- mov v, dl
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type old_val;
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- mov old_val, al
- };
- base_type::fence_after(order);
- return old_val;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type new_val;
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- mov new_val, dl
- };
- base_type::fence_after(order);
- return new_val;
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- test dl, dl
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov ecx, storage
- movzx eax, byte ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dl
- lock cmpxchg byte ptr [ecx], dl
- jne again
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock add byte ptr [edx], al
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock sub byte ptr [edx], al
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- lock neg byte ptr [edx]
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock and byte ptr [edx], al
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock or byte ptr [edx], al
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock xor byte ptr [edx], al
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- lock not byte ptr [edx]
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock add byte ptr [edx], al
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock sub byte ptr [edx], al
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock and byte ptr [edx], al
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock or byte ptr [edx], al
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock xor byte ptr [edx], al
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- };
- template< typename Base, bool Signed >
- struct extra_operations< Base, 2u, Signed, true > :
- public generic_extra_operations< Base, 2u, Signed >
- {
- typedef generic_extra_operations< Base, 2u, Signed > base_type;
- typedef typename base_type::storage_type storage_type;
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type old_val;
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- mov old_val, ax
- };
- base_type::fence_after(order);
- return old_val;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type new_val;
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- mov new_val, dx
- };
- base_type::fence_after(order);
- return new_val;
- }
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- test dx, dx
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- movzx ecx, v
- xor edx, edx
- movzx eax, word ptr [edi]
- align 16
- again:
- mov dx, ax
- and dx, cx
- lock cmpxchg word ptr [edi], dx
- jne again
- mov v, dx
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- movzx ecx, v
- xor edx, edx
- movzx eax, word ptr [edi]
- align 16
- again:
- mov dx, ax
- or dx, cx
- lock cmpxchg word ptr [edi], dx
- jne again
- mov v, dx
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- movzx ecx, v
- xor edx, edx
- movzx eax, word ptr [edi]
- align 16
- again:
- mov dx, ax
- xor dx, cx
- lock cmpxchg word ptr [edi], dx
- jne again
- mov v, dx
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type old_val;
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- mov old_val, ax
- };
- base_type::fence_after(order);
- return old_val;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type new_val;
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- mov new_val, dx
- };
- base_type::fence_after(order);
- return new_val;
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- test dx, dx
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov ecx, storage
- movzx eax, word ptr [ecx]
- align 16
- again:
- mov edx, eax
- not dx
- lock cmpxchg word ptr [ecx], dx
- jne again
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock add word ptr [edx], ax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock sub word ptr [edx], ax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- lock neg word ptr [edx]
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock and word ptr [edx], ax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock or word ptr [edx], ax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock xor word ptr [edx], ax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- lock not word ptr [edx]
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock add word ptr [edx], ax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock sub word ptr [edx], ax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock and word ptr [edx], ax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock or word ptr [edx], ax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- movzx eax, v
- lock xor word ptr [edx], ax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool bit_test_and_set(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, bit_number
- lock bts word ptr [edx], ax
- setc result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool bit_test_and_reset(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, bit_number
- lock btr word ptr [edx], ax
- setc result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool bit_test_and_complement(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, bit_number
- lock btc word ptr [edx], ax
- setc result
- };
- base_type::fence_after(order);
- return result;
- }
- };
- #endif // defined(_M_IX86)
- #if defined(_M_IX86) || (defined(BOOST_ATOMIC_INTERLOCKED_BTS) && defined(BOOST_ATOMIC_INTERLOCKED_BTR))
- template< typename Base, bool Signed >
- struct extra_operations< Base, 4u, Signed, true > :
- public generic_extra_operations< Base, 4u, Signed >
- {
- typedef generic_extra_operations< Base, 4u, Signed > base_type;
- typedef typename base_type::storage_type storage_type;
- #if defined(_M_IX86)
- static BOOST_FORCEINLINE storage_type fetch_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type old_val;
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- mov old_val, eax
- };
- base_type::fence_after(order);
- return old_val;
- }
- static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type new_val;
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- mov new_val, edx
- };
- base_type::fence_after(order);
- return new_val;
- }
- static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- test edx, edx
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- neg edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- mov ecx, v
- xor edx, edx
- mov eax, dword ptr [edi]
- align 16
- again:
- mov edx, eax
- and edx, ecx
- lock cmpxchg dword ptr [edi], edx
- jne again
- mov v, edx
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- mov ecx, v
- xor edx, edx
- mov eax, dword ptr [edi]
- align 16
- again:
- mov edx, eax
- or edx, ecx
- lock cmpxchg dword ptr [edi], edx
- jne again
- mov v, edx
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edi, storage
- mov ecx, v
- xor edx, edx
- mov eax, dword ptr [edi]
- align 16
- again:
- mov edx, eax
- xor edx, ecx
- lock cmpxchg dword ptr [edi], edx
- jne again
- mov v, edx
- };
- base_type::fence_after(order);
- return v;
- }
- static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type old_val;
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- not edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- mov old_val, eax
- };
- base_type::fence_after(order);
- return old_val;
- }
- static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- storage_type new_val;
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- not edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- mov new_val, edx
- };
- base_type::fence_after(order);
- return new_val;
- }
- static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- not edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- test edx, edx
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov ecx, storage
- mov eax, dword ptr [ecx]
- align 16
- again:
- mov edx, eax
- not edx
- lock cmpxchg dword ptr [ecx], edx
- jne again
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- mov eax, v
- lock add dword ptr [edx], eax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- mov eax, v
- lock sub dword ptr [edx], eax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- lock neg dword ptr [edx]
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- mov eax, v
- lock and dword ptr [edx], eax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- mov eax, v
- lock or dword ptr [edx], eax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- mov eax, v
- lock xor dword ptr [edx], eax
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- __asm
- {
- mov edx, storage
- lock not dword ptr [edx]
- };
- base_type::fence_after(order);
- }
- static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, v
- lock add dword ptr [edx], eax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, v
- lock sub dword ptr [edx], eax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, v
- lock and dword ptr [edx], eax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, v
- lock or dword ptr [edx], eax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, v
- lock xor dword ptr [edx], eax
- setnz result
- };
- base_type::fence_after(order);
- return result;
- }
- static BOOST_FORCEINLINE bool bit_test_and_complement(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, bit_number
- lock btc dword ptr [edx], eax
- setc result
- };
- base_type::fence_after(order);
- return result;
- }
- #endif // defined(_M_IX86)
- #if defined(BOOST_ATOMIC_INTERLOCKED_BTS)
- static BOOST_FORCEINLINE bool bit_test_and_set(storage_type volatile& storage, unsigned int bit_number, memory_order) BOOST_NOEXCEPT
- {
- return !!BOOST_ATOMIC_INTERLOCKED_BTS(&storage, bit_number);
- }
- #elif defined(_M_IX86)
- static BOOST_FORCEINLINE bool bit_test_and_set(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, bit_number
- lock bts dword ptr [edx], eax
- setc result
- };
- base_type::fence_after(order);
- return result;
- }
- #endif
- #if defined(BOOST_ATOMIC_INTERLOCKED_BTR)
- static BOOST_FORCEINLINE bool bit_test_and_reset(storage_type volatile& storage, unsigned int bit_number, memory_order) BOOST_NOEXCEPT
- {
- return !!BOOST_ATOMIC_INTERLOCKED_BTR(&storage, bit_number);
- }
- #elif defined(_M_IX86)
- static BOOST_FORCEINLINE bool bit_test_and_reset(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- base_type::fence_before(order);
- bool result;
- __asm
- {
- mov edx, storage
- mov eax, bit_number
- lock btr dword ptr [edx], eax
- setc result
- };
- base_type::fence_after(order);
- return result;
- }
- #endif
- };
- #endif // defined(_M_IX86) || (defined(BOOST_ATOMIC_INTERLOCKED_BTS) && defined(BOOST_ATOMIC_INTERLOCKED_BTR))
- #if defined(BOOST_ATOMIC_INTERLOCKED_BTS64) && defined(BOOST_ATOMIC_INTERLOCKED_BTR64)
- template< typename Base, bool Signed >
- struct extra_operations< Base, 8u, Signed, true > :
- public generic_extra_operations< Base, 8u, Signed >
- {
- typedef generic_extra_operations< Base, 8u, Signed > base_type;
- typedef typename base_type::storage_type storage_type;
- static BOOST_FORCEINLINE bool bit_test_and_set(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- return !!BOOST_ATOMIC_INTERLOCKED_BTS64(&storage, bit_number);
- }
- static BOOST_FORCEINLINE bool bit_test_and_reset(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
- {
- return !!BOOST_ATOMIC_INTERLOCKED_BTR64(&storage, bit_number);
- }
- };
- #endif // defined(BOOST_ATOMIC_INTERLOCKED_BTS64) && defined(BOOST_ATOMIC_INTERLOCKED_BTR64)
- } // namespace detail
- } // namespace atomics
- } // namespace boost
- #if defined(BOOST_MSVC)
- #pragma warning(pop)
- #endif
- #endif // BOOST_ATOMIC_DETAIL_EXTRA_OPS_MSVC_X86_HPP_INCLUDED_
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