gcc/testsuite/gcc.target/powerpc/pr78056-4.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* powerpc_vsx_ok represents power7 */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-skip-if "" { powerpc_vsx_ok } } */
   5 /* { dg-skip-if "" { powerpc*-*-aix* } } */
   6 /* { dg-options "-mdejagnu-cpu=power7" } */
   7
   8 /* This test should succeed on both 32- and 64-bit configurations.  */
   9 #include <altivec.h>
  10
  11 /* Though the command line specifies power7 target, this function is
  12    to support power8, which will fail because this platform does not
  13    support power8.  */
  14 __attribute__((target("cpu=power8")))
  15 char
  16 char_fetch_add_relaxed (char *ptr, int value)
  17 { /* { dg-warning "lacks power8 support" } */
  18   return __atomic_fetch_add (ptr, value, __ATOMIC_RELAXED);
  19 }