diff options
Diffstat (limited to 'include/linux/compiler-gcc4.h')
| -rw-r--r-- | include/linux/compiler-gcc4.h | 36 | 
1 files changed, 18 insertions, 18 deletions
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 662fd1b4c42a..68b162d92254 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -4,7 +4,7 @@  /* GCC 4.1.[01] miscompiles __weak */  #ifdef __KERNEL__ -# if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 +# if GCC_VERSION >= 40100 &&  GCC_VERSION <= 40101  #  error Your version of gcc miscompiles the __weak directive  # endif  #endif @@ -13,7 +13,11 @@  #define __must_check 		__attribute__((warn_unused_result))  #define __compiler_offsetof(a,b) __builtin_offsetof(a,b) -#if __GNUC_MINOR__ >= 3 +#if GCC_VERSION >= 40100 +# define __compiletime_object_size(obj) __builtin_object_size(obj, 0) +#endif + +#if GCC_VERSION >= 40300  /* Mark functions as cold. gcc will assume any path leading to a call     to them will be unlikely.  This means a lot of manual unlikely()s     are unnecessary now for any paths leading to the usual suspects @@ -29,11 +33,15 @@     the kernel context */  #define __cold			__attribute__((__cold__)) -#define __linktime_error(message) __attribute__((__error__(message))) -  #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) -#if __GNUC_MINOR__ >= 5 +#ifndef __CHECKER__ +# define __compiletime_warning(message) __attribute__((warning(message))) +# define __compiletime_error(message) __attribute__((error(message))) +#endif /* __CHECKER__ */ +#endif /* GCC_VERSION >= 40300 */ + +#if GCC_VERSION >= 40500  /*   * Mark a position in code as unreachable.  This can be used to   * suppress control flow warnings after asm blocks that transfer @@ -48,30 +56,22 @@  /* Mark a function definition as prohibited from being cloned. */  #define __noclone	__attribute__((__noclone__)) -#endif -#endif +#endif /* GCC_VERSION >= 40500 */ -#if __GNUC_MINOR__ >= 6 +#if GCC_VERSION >= 40600  /*   * Tell the optimizer that something else uses this function or variable.   */  #define __visible __attribute__((externally_visible))  #endif -#if __GNUC_MINOR__ > 0 -#define __compiletime_object_size(obj) __builtin_object_size(obj, 0) -#endif -#if __GNUC_MINOR__ >= 3 && !defined(__CHECKER__) -#define __compiletime_warning(message) __attribute__((warning(message))) -#define __compiletime_error(message) __attribute__((error(message))) -#endif  #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP -#if __GNUC_MINOR__ >= 4 +#if GCC_VERSION >= 40400  #define __HAVE_BUILTIN_BSWAP32__  #define __HAVE_BUILTIN_BSWAP64__  #endif -#if __GNUC_MINOR__ >= 8 || (defined(__powerpc__) && __GNUC_MINOR__ >= 6) +#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600)  #define __HAVE_BUILTIN_BSWAP16__  #endif -#endif +#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */  |