gcc/testsuite/gcc.target/arm/pr79131-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mbig-endian" } */
   3
   4 long long a;
   5 enum { NILFS_SEGMENT_USAGE_ACTIVE, NILFS_SEGMENT_USAGE_DIRTY } b;
   6 void nilfs_sufile_mod_counter(long long p1) {
   7   long c = p1;
   8   unsigned d = __builtin_bswap64(a);
   9   a = __builtin_bswap64(d + c);
  10 }
  11 void nilfs_sufile_do_free() {
  12   int e, f;
  13   e = __builtin_bswap32(b) & 1 << NILFS_SEGMENT_USAGE_DIRTY;
  14   f = e;
  15   nilfs_sufile_mod_counter(f ? -1 : 0);
  16 }