diff options
Diffstat (limited to 'include/linux/compiler-intel.h')
| -rw-r--r-- | include/linux/compiler-intel.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h index d8e636e560..58daccca90 100644 --- a/include/linux/compiler-intel.h +++ b/include/linux/compiler-intel.h @@ -14,18 +14,31 @@ * It uses intrinsics to do the equivalent things. */ #undef barrier +#undef barrier_data #undef RELOC_HIDE +#undef OPTIMIZER_HIDE_VAR #define barrier() __memory_barrier() +#define barrier_data(ptr) barrier() #define RELOC_HIDE(ptr, off) \ ({ unsigned long __ptr; \ __ptr = (unsigned long) (ptr); \ (typeof(ptr)) (__ptr + (off)); }) +/* This should act as an optimization barrier on var. + * Given that this compiler does not have inline assembly, a compiler barrier + * is the best we can do. + */ +#define OPTIMIZER_HIDE_VAR(var) barrier() + /* Intel ECC compiler doesn't support __builtin_types_compatible_p() */ #define __must_be_array(a) 0 #endif -#define uninitialized_var(x) x +#ifndef __HAVE_BUILTIN_BSWAP16__ +/* icc has this, but it's called _bswap16 */ +#define __HAVE_BUILTIN_BSWAP16__ +#define __builtin_bswap16 _bswap16 +#endif |