| /* Never include this file directly.  Include <linux/compiler.h> instead.  */ | 
 |  | 
 | /* | 
 |  * Common definitions for all gcc versions go here. | 
 |  */ | 
 |  | 
 |  | 
 | /* Optimization barrier */ | 
 | /* The "volatile" is due to gcc bugs */ | 
 | #define barrier() __asm__ __volatile__("": : :"memory") | 
 |  | 
 | /* This macro obfuscates arithmetic on a variable address so that gcc | 
 |    shouldn't recognize the original var, and make assumptions about it */ | 
 | /* | 
 |  * Versions of the ppc64 compiler before 4.1 had a bug where use of | 
 |  * RELOC_HIDE could trash r30. The bug can be worked around by changing | 
 |  * the inline assembly constraint from =g to =r, in this particular | 
 |  * case either is valid. | 
 |  */ | 
 | #define RELOC_HIDE(ptr, off)					\ | 
 |   ({ unsigned long __ptr;					\ | 
 |     __asm__ ("" : "=r"(__ptr) : "0"(ptr));		\ | 
 |     (typeof(ptr)) (__ptr + (off)); }) | 
 |  | 
 |  | 
 | #define inline		inline		__attribute__((always_inline)) | 
 | #define __inline__	__inline__	__attribute__((always_inline)) | 
 | #define __inline	__inline	__attribute__((always_inline)) | 
 | #define __deprecated			__attribute__((deprecated)) | 
 | #define  noinline			__attribute__((noinline)) | 
 | #define __attribute_pure__		__attribute__((pure)) | 
 | #define __attribute_const__		__attribute__((__const__)) |