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

   1 /* Check that the basic library call variant is sane; no other calls, no
   2    checks compares or branches.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-O2 -munaligned-atomic-may-use-library" } */
   5 /* { dg-final { scan-assembler-not "\tdi" } } */
   6 /* { dg-final { scan-assembler-not "\tbtstq" } } */
   7 /* { dg-final { scan-assembler-not "\tand" } } */
   8 /* { dg-final { scan-assembler-not "\tclearf" } } */
   9 /* { dg-final { scan-assembler-not "\tmove.d" } } */
  10 /* { dg-final { scan-assembler-not "\tcmp" } } */
  11 /* { dg-final { scan-assembler-not "\tb\[^s\]" } } */
  12 /* { dg-final { scan-assembler-times "\t\[JjBb\]sr" 1 } } */
  13
  14 #ifndef type
  15 #define type int
  16 #endif
  17
  18 type svcsw (type *ptr, type oldval, type newval)
  19 {
  20   return __sync_val_compare_and_swap (ptr, oldval, newval);
  21 }