| /* |
| * 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 - 2018 Andrey Semashev |
| */ |
| /*! |
| * \file atomic/detail/extra_ops_gcc_ppc.hpp |
| * |
| * This header contains implementation of the extra atomic operations for PowerPC. |
| */ |
| |
| #ifndef BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_PPC_HPP_INCLUDED_ |
| #define BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_PPC_HPP_INCLUDED_ |
| |
| #include <cstddef> |
| #include <boost/memory_order.hpp> |
| #include <boost/atomic/detail/config.hpp> |
| #include <boost/atomic/detail/storage_traits.hpp> |
| #include <boost/atomic/detail/extra_operations_fwd.hpp> |
| #include <boost/atomic/detail/extra_ops_generic.hpp> |
| #include <boost/atomic/detail/ops_gcc_ppc_common.hpp> |
| #include <boost/atomic/detail/capabilities.hpp> |
| #include <boost/atomic/detail/header.hpp> |
| |
| #ifdef BOOST_HAS_PRAGMA_ONCE |
| #pragma once |
| #endif |
| |
| namespace boost { |
| namespace atomics { |
| namespace detail { |
| |
| template< typename Base > |
| struct extra_operations_gcc_ppc_common : |
| public Base |
| { |
| typedef Base base_type; |
| typedef typename base_type::storage_type storage_type; |
| |
| static BOOST_FORCEINLINE void opaque_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| base_type::fetch_negate(storage, order); |
| } |
| |
| static BOOST_FORCEINLINE void opaque_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| base_type::fetch_complement(storage, order); |
| } |
| |
| static BOOST_FORCEINLINE bool negate_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| return !!base_type::negate(storage, order); |
| } |
| |
| static BOOST_FORCEINLINE bool add_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| return !!base_type::add(storage, v, order); |
| } |
| |
| static BOOST_FORCEINLINE bool sub_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| return !!base_type::sub(storage, v, order); |
| } |
| |
| static BOOST_FORCEINLINE bool and_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| return !!base_type::bitwise_and(storage, v, order); |
| } |
| |
| static BOOST_FORCEINLINE bool or_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| return !!base_type::bitwise_or(storage, v, order); |
| } |
| |
| static BOOST_FORCEINLINE bool xor_and_test(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| return !!base_type::bitwise_xor(storage, v, order); |
| } |
| |
| static BOOST_FORCEINLINE bool complement_and_test(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| return !!base_type::bitwise_complement(storage, order); |
| } |
| }; |
| |
| template< typename Base, std::size_t Size, bool Signed > |
| struct extra_operations_gcc_ppc; |
| |
| #if defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LBARX_STBCX) |
| |
| template< typename Base, bool Signed > |
| struct extra_operations_gcc_ppc< Base, 1u, Signed > : |
| public extra_operations_generic< Base, 1u, Signed > |
| { |
| typedef extra_operations_generic< 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 |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "add %1,%0,%3\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "sub %1,%0,%3\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "and %1,%0,%3\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "or %1,%0,%3\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "xor %1,%0,%3\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lbarx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "stbcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| }; |
| |
| template< typename Base, bool Signed > |
| struct extra_operations< Base, 1u, Signed, true > : |
| public extra_operations_gcc_ppc_common< extra_operations_gcc_ppc< Base, 1u, Signed > > |
| { |
| }; |
| |
| #endif // defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LBARX_STBCX) |
| |
| #if defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LHARX_STHCX) |
| |
| template< typename Base, bool Signed > |
| struct extra_operations_gcc_ppc< Base, 2u, Signed > : |
| public extra_operations_generic< Base, 2u, Signed > |
| { |
| typedef extra_operations_generic< 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 |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "add %1,%0,%3\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "sub %1,%0,%3\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "and %1,%0,%3\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "or %1,%0,%3\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "xor %1,%0,%3\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lharx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "sthcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| }; |
| |
| #endif // defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LHARX_STHCX) |
| |
| template< typename Base, bool Signed > |
| struct extra_operations_gcc_ppc< Base, 4u, Signed > : |
| public extra_operations_generic< Base, 4u, Signed > |
| { |
| typedef extra_operations_generic< Base, 4u, 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 |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "add %1,%0,%3\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "sub %1,%0,%3\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "and %1,%0,%3\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "or %1,%0,%3\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "xor %1,%0,%3\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "lwarx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "stwcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| }; |
| |
| template< typename Base, bool Signed > |
| struct extra_operations< Base, 4u, Signed, true > : |
| public extra_operations_gcc_ppc_common< extra_operations_gcc_ppc< Base, 4u, Signed > > |
| { |
| }; |
| |
| #if defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LDARX_STDCX) |
| |
| template< typename Base, bool Signed > |
| struct extra_operations_gcc_ppc< Base, 8u, Signed > : |
| public extra_operations_generic< Base, 8u, Signed > |
| { |
| typedef extra_operations_generic< Base, 8u, 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 |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "neg %1,%0\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type add(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "add %1,%0,%3\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "sub %1,%0,%3\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_and(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "and %1,%0,%3\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_or(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "or %1,%0,%3\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_xor(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT |
| { |
| storage_type original, result; |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "xor %1,%0,%3\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : "b" (v) |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| |
| static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return original; |
| } |
| |
| static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT |
| { |
| core_arch_operations_gcc_ppc_base::fence_before(order); |
| storage_type original, result; |
| __asm__ __volatile__ |
| ( |
| "1:\n\t" |
| "ldarx %0,%y2\n\t" |
| "nor %1,%0,%0\n\t" |
| "stdcx. %1,%y2\n\t" |
| "bne- 1b\n\t" |
| : "=&b" (original), "=&b" (result), "+Z" (storage) |
| : |
| : BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC |
| ); |
| core_arch_operations_gcc_ppc_base::fence_after(order); |
| return result; |
| } |
| }; |
| |
| template< typename Base, bool Signed > |
| struct extra_operations< Base, 8u, Signed, true > : |
| public extra_operations_gcc_ppc_common< extra_operations_gcc_ppc< Base, 8u, Signed > > |
| { |
| }; |
| |
| #endif // defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LDARX_STDCX) |
| |
| } // namespace detail |
| } // namespace atomics |
| } // namespace boost |
| |
| #include <boost/atomic/detail/footer.hpp> |
| |
| #endif // BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_ARM_PPC_INCLUDED_ |