File: pr78056-4.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* { dg-do compile { target { powerpc*-*-* } } } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
/* powerpc_vsx_ok represents power7 */
/* { dg-require-effective-target powerpc_vsx_ok } */
/* { dg-skip-if "" { powerpc_p8vector_ok } } */
/* { dg-skip-if "" { powerpc*-*-aix* } } */
/* { dg-options "-mcpu=power7" } */

/* This test should succeed on both 32- and 64-bit configurations.  */
#include <altivec.h>

/* Though the command line specifies power7 target, this function is
   to support power8, which will fail because this platform does not
   support power8.  */
__attribute__((target("cpu=power8")))
char
char_fetch_add_relaxed (char *ptr, int value)
{ /* { dg-warning "lacks power8 support" } */
  return __atomic_fetch_add (ptr, value, __ATOMIC_RELAXED);
}