diff options
Diffstat (limited to 'kernel/include/linux/compiler-intel.h')
| -rw-r--r-- | kernel/include/linux/compiler-intel.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/kernel/include/linux/compiler-intel.h b/kernel/include/linux/compiler-intel.h new file mode 100644 index 000000000..0c9a2f2c2 --- /dev/null +++ b/kernel/include/linux/compiler-intel.h @@ -0,0 +1,43 @@ +#ifndef __LINUX_COMPILER_H +#error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead." +#endif + +#ifdef __ECC + +/* Some compiler specific definitions are overwritten here + * for Intel ECC compiler + */ + +#include <asm/intrinsics.h> + +/* Intel ECC compiler doesn't support gcc specific asm stmts. + * It uses intrinsics to do the equivalent things. + */ +#undef barrier_data +#undef RELOC_HIDE +#undef OPTIMIZER_HIDE_VAR + +#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 + +#ifndef __HAVE_BUILTIN_BSWAP16__ +/* icc has this, but it's called _bswap16 */ +#define __HAVE_BUILTIN_BSWAP16__ +#define __builtin_bswap16 _bswap16 +#endif + |