arch-ia64.h

   1 #ifndef ARCH_IA64_H
   2 #define ARCH_IA64_H
   3
   4 #define ARCH    (arch_ia64)
   5
   6 #ifndef __NR_ioprio_set
   7 #define __NR_ioprio_set         1274
   8 #define __NR_ioprio_get         1275
   9 #endif
  10
  11 #ifndef __NR_fadvise64
  12 #define __NR_fadvise64          1234
  13 #endif
  14
  15 #ifndef __NR_sys_splice
  16 #define __NR_sys_splice         1297
  17 #define __NR_sys_tee            1301
  18 #define __NR_sys_vmsplice       1302
  19 #endif
  20
  21 #define nop     asm volatile ("hint @pause" ::: "memory");
  22
  23 #define ia64_popcnt(x)                                                  \
  24 ({                                                                      \
  25         unsigned long ia64_intri_res;                                   \
  26         asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x));         \
  27         ia64_intri_res;                                                 \
  28 })
  29
  30 static inline unsigned long ffz(unsigned long bitmask)
  31 {
  32         return ia64_popcnt(bitmask & (~bitmask - 1));
  33 }
  34
  35 #endif