diff options
Diffstat (limited to 'include/linux/compiler-gcc4.h')
| -rw-r--r-- | include/linux/compiler-gcc4.h | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 412bc6c2b02..68b162d9225 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 @@ -29,9 +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__) + +#ifndef __CHECKER__ +# define __compiletime_warning(message) __attribute__((warning(message))) +# define __compiletime_error(message) __attribute__((error(message))) +#endif /* __CHECKER__ */ +#endif /* GCC_VERSION >= 40300 */ -#if __GNUC_MINOR__ >= 5 +#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 @@ -46,20 +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) + +#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP +#if GCC_VERSION >= 40400 +#define __HAVE_BUILTIN_BSWAP32__ +#define __HAVE_BUILTIN_BSWAP64__ #endif -#if __GNUC_MINOR__ >= 3 && !defined(__CHECKER__) -#define __compiletime_warning(message) __attribute__((warning(message))) -#define __compiletime_error(message) __attribute__((error(message))) +#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600) +#define __HAVE_BUILTIN_BSWAP16__ #endif +#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |