gcc/testsuite/gcc.dg/builtin-protos-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options -Wconversion } */
   3
   4 int
   5 test_s (signed int x)
   6 {
   7   return __builtin_abs (x)      /* { dg-bogus "as unsigned due to prototype" } */
   8     + __builtin_clz (x)         /* { dg-warning "as unsigned due to prototype" } */
   9     + __builtin_ctz (x)         /* { dg-warning "as unsigned due to prototype" } */
  10     + __builtin_ffs (x)         /* { dg-bogus "as unsigned due to prototype" } */
  11     + __builtin_parity (x)      /* { dg-warning "as unsigned due to prototype" } */
  12     + __builtin_popcount (x);   /* { dg-warning "as unsigned due to prototype" } */
  13 }
  14
  15 int
  16 test_u (unsigned int x)
  17 {
  18   return __builtin_abs (x)      /* { dg-warning "as signed due to prototype" } */
  19     + __builtin_clz (x)         /* { dg-bogus "as signed due to prototype" } */
  20     + __builtin_ctz (x)         /* { dg-bogus "as signed due to prototype" } */
  21     + __builtin_ffs (x)         /* { dg-warning "as signed due to prototype" } */
  22     + __builtin_parity (x)      /* { dg-bogus "as signed due to prototype" } */
  23     + __builtin_popcount (x);   /* { dg-bogus "as signed due to prototype" } */
  24 }
  25
  26 int
  27 test_sl (signed long x)
  28 {
  29   return __builtin_labs (x)     /* { dg-bogus "as unsigned due to prototype" } */
  30     + __builtin_clzl (x)        /* { dg-warning "as unsigned due to prototype" } */
  31     + __builtin_ctzl (x)        /* { dg-warning "as unsigned due to prototype" } */
  32     + __builtin_ffsl (x)        /* { dg-bogus "as unsigned due to prototype" } */
  33     + __builtin_parityl (x)     /* { dg-warning "as unsigned due to prototype" } */
  34     + __builtin_popcountl (x);  /* { dg-warning "as unsigned due to prototype" } */
  35 }
  36
  37 int
  38 test_ul (unsigned long x)
  39 {
  40   return __builtin_labs (x)     /* { dg-warning "as signed due to prototype" } */
  41     + __builtin_clzl (x)        /* { dg-bogus "as signed due to prototype" } */
  42     + __builtin_ctzl (x)        /* { dg-bogus "as signed due to prototype" } */
  43     + __builtin_ffsl (x)        /* { dg-warning "as signed due to prototype" } */
  44     + __builtin_parityl (x)     /* { dg-bogus "as signed due to prototype" } */
  45     + __builtin_popcountl (x);  /* { dg-bogus "as signed due to prototype" } */
  46 }
  47
  48 int
  49 test_sll (signed long long x)
  50 {
  51   return __builtin_llabs (x)    /* { dg-bogus "as unsigned due to prototype" } */
  52     + __builtin_clzll (x)       /* { dg-warning "as unsigned due to prototype" } */
  53     + __builtin_ctzll (x)       /* { dg-warning "as unsigned due to prototype" } */
  54     + __builtin_ffsll (x)       /* { dg-bogus "as unsigned due to prototype" } */
  55     + __builtin_parityll (x)    /* { dg-warning "as unsigned due to prototype" } */
  56     + __builtin_popcountll (x); /* { dg-warning "as unsigned due to prototype" } */
  57 }
  58
  59 int
  60 test_ull (unsigned long long x)
  61 {
  62   return __builtin_llabs (x)    /* { dg-warning "as signed due to prototype" } */
  63     + __builtin_clzll (x)       /* { dg-bogus "as signed due to prototype" } */
  64     + __builtin_ctzll (x)       /* { dg-bogus "as signed due to prototype" } */
  65     + __builtin_ffsll (x)       /* { dg-warning "as signed due to prototype" } */
  66     + __builtin_parityll (x)    /* { dg-bogus "as signed due to prototype" } */
  67     + __builtin_popcountll (x); /* { dg-bogus "as signed due to prototype" } */
  68 }