diff options
Diffstat (limited to 'include/linux/compiler-gcc.h')
| -rw-r--r-- | include/linux/compiler-gcc.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 15273405540358..6e1c44a935d411 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -11,7 +11,22 @@ /* 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__ ("" : "=g"(__ptr) : "0"(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__)) |