diff options
Diffstat (limited to 'include/linux/compiler_types.h')
| -rw-r--r-- | include/linux/compiler_types.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 6e390d58a9f8..bbaa39e98f9f 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -64,6 +64,17 @@ static inline void __chk_io_ptr(const volatile void __iomem *ptr) { } /* Attributes */ #include <linux/compiler_attributes.h> +/* Builtins */ + +/* + * __has_builtin is supported on gcc >= 10, clang >= 3 and icc >= 21. + * In the meantime, to support gcc < 10, we implement __has_builtin + * by hand. + */ +#ifndef __has_builtin +#define __has_builtin(x) (0) +#endif + /* Compiler specific macros. */ #ifdef __clang__ #include <linux/compiler-clang.h> @@ -247,10 +258,6 @@ struct ftrace_likely_data { #define asm_inline asm #endif -#ifndef __no_fgcse -# define __no_fgcse -#endif - /* Are two types/vars the same type (ignoring qualifiers)? */ #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) |