gcc/testsuite/gcc.target/cris/sync-1.c

   1 /* Check that we can assemble both base atomic variants, for v0.  */
   2 /* { dg-do assemble } */
   3 /* { dg-options "-O2 -march=v0" } */
   4
   5 #ifndef type
   6 #define type char
   7 #endif
   8
   9 #if !defined(op) && !defined(xchg)
  10 #define op 1
  11 #define xchg 1
  12 #endif
  13
  14 #ifndef op
  15 #define op 0
  16 #endif
  17
  18 #ifndef xchg
  19 #define xchg 0
  20 #endif
  21
  22 #if op
  23 int sfa (type *p, type *q, int a)
  24 {
  25   return __atomic_fetch_nand (p, a, __ATOMIC_ACQ_REL)
  26     + __atomic_fetch_add (q, a, __ATOMIC_SEQ_CST);
  27 }
  28 #endif
  29
  30 #if xchg
  31 void acen (type *ptr, type *val, type *ret)
  32 {
  33   __atomic_exchange (ptr, val, ret, __ATOMIC_SEQ_CST);
  34 }
  35 #endif