projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /* |
| 2 | * Distributed under the Boost Software License, Version 1.0. | |
| 3 | * (See accompanying file LICENSE_1_0.txt or copy at | |
| 4 | * http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | * | |
| 6 | * Copyright (c) 2012 Hartmut Kaiser | |
| 7 | * Copyright (c) 2014 Andrey Semashev | |
| 8 | */ | |
| 9 | /*! | |
| 10 | * \file atomic/detail/config.hpp | |
| 11 | * | |
| 12 | * This header defines configuraion macros for Boost.Atomic | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef BOOST_ATOMIC_DETAIL_CONFIG_HPP_INCLUDED_ | |
| 16 | #define BOOST_ATOMIC_DETAIL_CONFIG_HPP_INCLUDED_ | |
| 17 | ||
| 18 | #include <boost/config.hpp> | |
| 19 | ||
| 20 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
| 21 | #pragma once | |
| 22 | #endif | |
| 23 | ||
| 24 | #if defined(__has_builtin) | |
| 25 | #if __has_builtin(__builtin_memcpy) | |
| 26 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY | |
| 27 | #endif | |
| 28 | #if __has_builtin(__builtin_memcmp) | |
| 29 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP | |
| 30 | #endif | |
| 31 | #elif defined(BOOST_GCC) | |
| 32 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY | |
| 33 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP | |
| 34 | #endif | |
| 35 | ||
| 36 | #if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY) | |
| 37 | #define BOOST_ATOMIC_DETAIL_MEMCPY __builtin_memcpy | |
| 38 | #else | |
| 39 | #define BOOST_ATOMIC_DETAIL_MEMCPY std::memcpy | |
| 40 | #endif | |
| 41 | ||
| 42 | #if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP) | |
| 43 | #define BOOST_ATOMIC_DETAIL_MEMCMP __builtin_memcmp | |
| 44 | #else | |
| 45 | #define BOOST_ATOMIC_DETAIL_MEMCMP std::memcmp | |
| 46 | #endif | |
| 47 | ||
| 48 | #if defined(__CUDACC__) | |
| 49 | // nvcc does not support alternatives in asm statement constraints | |
| 50 | #define BOOST_ATOMIC_DETAIL_NO_ASM_CONSTRAINT_ALTERNATIVES | |
| 51 | // nvcc does not support condition code register ("cc") clobber in asm statements | |
| 52 | #define BOOST_ATOMIC_DETAIL_NO_ASM_CLOBBER_CC | |
| 53 | #endif | |
| 54 | ||
| 55 | #if !defined(BOOST_ATOMIC_DETAIL_NO_ASM_CLOBBER_CC) | |
| 56 | #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC "cc" | |
| 57 | #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "cc", | |
| 58 | #else | |
| 59 | #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC | |
| 60 | #define BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA | |
| 61 | #endif | |
| 62 | ||
| 63 | #if ((defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) && (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) < 403)) ||\ | |
| 64 | defined(__SUNPRO_CC) | |
| 65 | // This macro indicates we're using older binutils that don't support implied zero displacements for memory opereands, | |
| 66 | // making code like this invalid: | |
| 67 | // movl 4+(%%edx), %%eax | |
| 68 | #define BOOST_ATOMIC_DETAIL_NO_ASM_IMPLIED_ZERO_DISPLACEMENTS | |
| 69 | #endif | |
| 70 | ||
| 71 | #if defined(__clang__) || (defined(BOOST_GCC) && (BOOST_GCC+0) < 40500) || defined(__SUNPRO_CC) | |
| 72 | // This macro indicates that the compiler does not support allocating rax:rdx register pairs ("A") in asm blocks | |
| 73 | #define BOOST_ATOMIC_DETAIL_NO_ASM_RAX_RDX_PAIRS | |
| 74 | #endif | |
| 75 | ||
| 76 | #endif // BOOST_ATOMIC_DETAIL_CONFIG_HPP_INCLUDED_ |