X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=cds%2Fcompiler%2Fgcc%2Fdefs.h;h=5c4fb8a3d03f32ce7ea9634b8a24eb98b86da730;hb=40a5453909484139fc270121370575632c8e9e5c;hp=2e6dc49aad9709881cfb1ea397f4e58b93a18e21;hpb=12edfa767441547926e94646aeaa00fb967e6da7;p=libcds.git diff --git a/cds/compiler/gcc/defs.h b/cds/compiler/gcc/defs.h index 2e6dc49a..5c4fb8a3 100644 --- a/cds/compiler/gcc/defs.h +++ b/cds/compiler/gcc/defs.h @@ -1,7 +1,35 @@ -//$$CDS-header$$ +/* + This file is a part of libcds - Concurrent Data Structures library -#ifndef __CDS_COMPILER_GCC_DEFS_H -#define __CDS_COMPILER_GCC_DEFS_H + (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016 + + Source code repo: http://github.com/khizmax/libcds/ + Download: http://sourceforge.net/projects/libcds/files/ + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef CDSLIB_COMPILER_GCC_DEFS_H +#define CDSLIB_COMPILER_GCC_DEFS_H // Compiler version #define CDS_COMPILER_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) @@ -20,39 +48,20 @@ #include - #define alignof __alignof__ // *************************************** // C++11 features -#define CDS_CXX11_VARIADIC_TEMPLATE_SUPPORT - -// RValue -#define CDS_RVALUE_SUPPORT -#define CDS_MOVE_SEMANTICS_SUPPORT - -#define CDS_CXX11_DEFAULT_FUNCTION_TEMPLATE_ARGS_SUPPORT - // C++11 inline namespace #define CDS_CXX11_INLINE_NAMESPACE_SUPPORT -// C++11 delete definition ( function declaration = delete) -#define CDS_CXX11_DELETE_DEFINITION_SUPPORT - -// C++11 explicitly-defaulted function (= default) [std 8.4.2 [dcl.fct.def.default]] -#define CDS_CXX11_EXPLICITLY_DEFAULTED_FUNCTION_SUPPORT - -// Lambda -#define CDS_CXX11_LAMBDA_SUPPORT - // constexpr #define CDS_CONSTEXPR constexpr // noexcept #define CDS_NOEXCEPT_SUPPORT noexcept #define CDS_NOEXCEPT_SUPPORT_(expr) noexcept(expr) -#define CDS_CONSTEXPR_CONST constexpr const // C++11 thread_local keyword #define CDS_CXX11_THREAD_LOCAL_SUPPORT @@ -60,6 +69,14 @@ // Full SFINAE support #define CDS_CXX11_SFINAE +// Inheriting constructors +#define CDS_CXX11_INHERITING_CTOR + +// ************************************************* +// Features +// If you run under Thread Sanitizer, pass -DCDS_THREAD_SANITIZER_ENABLED in compiler command line +//#define CDS_THREAD_SANITIZER_ENABLED + // ************************************************* // Alignment macro @@ -67,7 +84,38 @@ #define CDS_CLASS_ALIGNMENT(n) __attribute__ ((aligned (n))) #define CDS_DATA_ALIGNMENT(n) __attribute__ ((aligned (n))) +// Attributes +#if CDS_COMPILER_VERSION >= 40900 +# if __cplusplus < 201103 +# define CDS_DEPRECATED( reason ) __attribute__((deprecated( reason ))) +# elif __cplusplus == 201103 // C++11 +# define CDS_DEPRECATED( reason ) [[gnu::deprecated(reason)]] +# else // C++14 +# define CDS_DEPRECATED( reason ) [[deprecated(reason)]] +# endif +#else +# define CDS_DEPRECATED( reason ) __attribute__((deprecated( reason ))) +#endif + +// likely/unlikely + +#define cds_likely( expr ) __builtin_expect( !!( expr ), 1 ) +#define cds_unlikely( expr ) __builtin_expect( !!( expr ), 0 ) + +// double-width CAS support +// note: gcc-4.8 does not support double-word atomics +#if CDS_COMPILER_VERSION >= 40900 +# if CDS_BUILD_BITS == 64 +# ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 +# define CDS_DCAS_SUPPORT +# endif +# else +# ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 +# define CDS_DCAS_SUPPORT +# endif +# endif +#endif #include -#endif // #ifndef __CDS_COMPILER_GCC_DEFS_H +#endif // #ifndef CDSLIB_COMPILER_GCC_DEFS_H