diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compiler-gcc.h | 12 | ||||
| -rw-r--r-- | include/linux/compiler.h | 14 |
2 files changed, 11 insertions, 15 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index acd583384bd..fe23792f05c 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -36,10 +36,20 @@ #define __weak __attribute__((weak)) #define __naked __attribute__((naked)) #define __noreturn __attribute__((noreturn)) + +/* + * From the GCC manual: + * + * Many functions have no effects except the return value and their + * return value depends only on the parameters and/or global + * variables. Such a function can be subject to common subexpression + * elimination and loop optimization just as an arithmetic operator + * would be. + * [...] + */ #define __pure __attribute__((pure)) #define __aligned(x) __attribute__((aligned(x))) #define __printf(a,b) __attribute__((format(printf,a,b))) #define noinline __attribute__((noinline)) -#define __attribute_pure__ __attribute__((pure)) #define __attribute_const__ __attribute__((__const__)) #define __maybe_unused __attribute__((unused)) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 86f9a3a6137..c811c8b979a 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -132,20 +132,6 @@ extern void __chk_io_ptr(const volatile void __iomem *); # define __maybe_unused /* unimplemented */ #endif -/* - * From the GCC manual: - * - * Many functions have no effects except the return value and their - * return value depends only on the parameters and/or global - * variables. Such a function can be subject to common subexpression - * elimination and loop optimization just as an arithmetic operator - * would be. - * [...] - */ -#ifndef __attribute_pure__ -# define __attribute_pure__ /* unimplemented */ -#endif - #ifndef noinline #define noinline #endif |