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WSJT-X/boost/boost/atomic/detail/extra_ops_gcc_ppc.hpp

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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 - 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_type.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/capabilities.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
namespace atomics {
namespace detail {
template< typename Base >
struct gcc_ppc_extra_operations_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 gcc_ppc_extra_operations;
#if defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LBARX_STBCX)
template< typename Base, bool Signed >
struct gcc_ppc_extra_operations< Base, 1u, Signed > :
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
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
};
template< typename Base, bool Signed >
struct extra_operations< Base, 1u, Signed, true > :
public gcc_ppc_extra_operations_common< gcc_ppc_extra_operations< 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 gcc_ppc_extra_operations< Base, 2u, Signed > :
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
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
};
#endif // defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LHARX_STHCX)
template< typename Base, bool Signed >
struct gcc_ppc_extra_operations< Base, 4u, Signed > :
public generic_extra_operations< Base, 4u, Signed >
{
typedef generic_extra_operations< 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
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
};
template< typename Base, bool Signed >
struct extra_operations< Base, 4u, Signed, true > :
public gcc_ppc_extra_operations_common< gcc_ppc_extra_operations< Base, 4u, Signed > >
{
};
#if defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LDARX_STDCX)
template< typename Base, bool Signed >
struct gcc_ppc_extra_operations< Base, 8u, Signed > :
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 storage_type fetch_negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type negate(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_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;
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
static BOOST_FORCEINLINE storage_type fetch_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return original;
}
static BOOST_FORCEINLINE storage_type bitwise_complement(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT
{
gcc_ppc_operations_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
);
gcc_ppc_operations_base::fence_after(order);
return result;
}
};
template< typename Base, bool Signed >
struct extra_operations< Base, 8u, Signed, true > :
public gcc_ppc_extra_operations_common< gcc_ppc_extra_operations< Base, 8u, Signed > >
{
};
#endif // defined(BOOST_ATOMIC_DETAIL_PPC_HAS_LDARX_STDCX)
} // namespace detail
} // namespace atomics
} // namespace boost
#endif // BOOST_ATOMIC_DETAIL_EXTRA_OPS_GCC_ARM_PPC_INCLUDED_
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