compiler.hh (10277:ef888b246cd0) | compiler.hh (10291:56772eb01583) |
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1/* 2 * Copyright (c) 2012 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 29 unchanged lines hidden (view full) --- 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Ali Saidi 41 */ 42 43#ifndef __BASE_COMPILER_HH__ 44#define __BASE_COMPILER_HH__ 45 | 1/* 2 * Copyright (c) 2012 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 29 unchanged lines hidden (view full) --- 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Ali Saidi 41 */ 42 43#ifndef __BASE_COMPILER_HH__ 44#define __BASE_COMPILER_HH__ 45 |
46// gcc C++11 status: http://gcc.gnu.org/projects/cxx0x.html 47// clang C++11 status: http://clang.llvm.org/cxx_status.html |
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46// http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html 47 | 48// http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html 49 |
48#if defined(__GNUC__) 49#define M5_ATTR_NORETURN __attribute__((noreturn)) 50#define M5_DUMMY_RETURN 51#define M5_VAR_USED __attribute__((unused)) | 50/* Support for override control (final/override) */ 51#undef M5_COMP_HAS_OVERRIDE_CONTROL |
52 | 52 |
53#if defined(__clang__) 54#define M5_CLASS_VAR_USED M5_VAR_USED | 53#if defined(__GNUC__) && !defined(__clang__) /* Check for gcc */ 54 55# define M5_GCC_VERSION(maj, min) \ 56 (__GNUC__ > (maj) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min))) 57 58# define M5_COMP_HAS_OVERRIDE_CONTROL M5_GCC_VERSION(4, 7) 59 60#elif defined(__clang__) /* Check for clang */ 61 62# define M5_COMP_HAS_OVERRIDE_CONTROL __has_feature(cxx_override_control) 63 |
55#else | 64#else |
56#define M5_CLASS_VAR_USED | 65# error "Need to define compiler options in base/compiler.hh" |
57#endif 58 | 66#endif 67 |
59#define M5_ATTR_PACKED __attribute__ ((__packed__)) 60#define M5_NO_INLINE __attribute__ ((__noinline__)) | 68 69#if M5_COMP_HAS_OVERRIDE_CONTROL 70# define M5_ATTR_FINAL final 71# define M5_ATTR_OVERRIDE override |
61#else | 72#else |
62#error "Need to define compiler options in base/compiler.hh" | 73# define M5_ATTR_FINAL 74# define M5_ATTR_OVERRIDE |
63#endif 64 | 75#endif 76 |
77#if defined(__GNUC__) // clang or gcc 78# define M5_ATTR_NORETURN __attribute__((noreturn)) 79# define M5_DUMMY_RETURN 80# define M5_VAR_USED __attribute__((unused)) 81# define M5_ATTR_PACKED __attribute__ ((__packed__)) 82# define M5_NO_INLINE __attribute__ ((__noinline__)) 83#endif 84 85#if defined(__clang__) 86# define M5_CLASS_VAR_USED M5_VAR_USED 87#else 88# define M5_CLASS_VAR_USED 89#endif 90 |
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65#endif // __BASE_COMPILER_HH__ | 91#endif // __BASE_COMPILER_HH__ |