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bootloader/u-boot_2015_04/include/linux/compiler-intel.h 1.02 KB
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  #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 RELOC_HIDE
  #undef OPTIMIZER_HIDE_VAR
  
  #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