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 RELOC_HIDE
  17 #undef OPTIMIZER_HIDE_VAR
  18
  19 #define RELOC_HIDE(ptr, off)                                    \
  20   ({ unsigned long __ptr;                                       \
  21      __ptr = (unsigned long) (ptr);                             \
  22     (typeof(ptr)) (__ptr + (off)); })
  23
  24 /* This should act as an optimization barrier on var.
  25  * Given that this compiler does not have inline assembly, a compiler barrier
  26  * is the best we can do.
  27  */
  28 #define OPTIMIZER_HIDE_VAR(var) barrier()
  29
  30 /* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
  31 #define __must_be_array(a) 0
  32
  33 #endif
  34
  35 #ifndef __HAVE_BUILTIN_BSWAP16__
  36 /* icc has this, but it's called _bswap16 */
  37 #define __HAVE_BUILTIN_BSWAP16__
  38 #define __builtin_bswap16 _bswap16
  39 #endif
  40