lib/fetch_and_add_arm64.S

   1         .text
   2         .align  2
   3         .global fetch_and_add_arm64
   4         .type   fetch_and_add_arm64, %function
   5 fetch_and_add_arm64:
   6 #ifdef __TINYC__
   7         .int 0x885f7c02
   8         .int 0x0b010042
   9         .int 0x8803fc02
  10         .int 0x35ffffa3
  11         .int 0xd5033bbf
  12         .int 0xd65f03c0
  13 #else
  14         ldxr    w2, [x0]
  15         add     w2, w2, w1
  16         stlxr   w3, w2, [x0]
  17         cbnz    w3, fetch_and_add_arm64
  18         dmb     ish
  19         ret
  20 #endif
  21
  22         .size   fetch_and_add_arm64, .-fetch_and_add_arm64