include/linux/compiler-intel.h

   1 #ifndef __LINUX_COMPILER_H
   2 #error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead."
   3 #endif
   4
   5 #ifdef __ECC
   6
   7 /* Some compiler specific definitions are overwritten here
   8  * for Intel ECC compiler
   9  */
  10
  11 #include <asm/intrinsics.h>
  12
  13 /* Intel ECC compiler doesn't support gcc specific asm stmts.
  14  * It uses intrinsics to do the equivalent things.
  15  */
  16 #undef barrier
  17 #undef barrier_data
  18 #undef RELOC_HIDE
  19 #undef OPTIMIZER_HIDE_VAR
  20
  21 #define barrier() __memory_barrier()
  22 #define barrier_data(ptr) barrier()
  23
  24 #define RELOC_HIDE(ptr, off)                                    \
  25   ({ unsigned long __ptr;                                       \
  26      __ptr = (unsigned long) (ptr);                             \
  27     (typeof(ptr)) (__ptr + (off)); })
  28
  29 /* This should act as an optimization barrier on var.
  30  * Given that this compiler does not have inline assembly, a compiler barrier
  31  * is the best we can do.
  32  */
  33 #define OPTIMIZER_HIDE_VAR(var) barrier()
  34
  35 /* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
  36 #define __must_be_array(a) 0
  37
  38 #endif
  39
  40 #ifndef __HAVE_BUILTIN_BSWAP16__
  41 /* icc has this, but it's called _bswap16 */
  42 #define __HAVE_BUILTIN_BSWAP16__
  43 #define __builtin_bswap16 _bswap16
  44 #endif
  45