(root)/
gcc-13.2.0/
gcc/
testsuite/
c-c++-common/
pr95378.c
       1  /* { dg-do compile } */
       2  
       3  #define seq_cst __ATOMIC_SEQ_CST
       4  
       5  extern int *i;
       6  extern int *j;
       7  extern const int *c;
       8  extern volatile int *v;
       9  extern const volatile int *cv;
      10  
      11  void
      12  load()
      13  {
      14    __atomic_load(c, i, seq_cst);
      15    __atomic_load(cv, i, seq_cst);
      16  
      17    __atomic_load(i, c, seq_cst);
      18    /* { dg-error "argument 2 of '__atomic_load' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      19    /* { dg-warning "argument 2 of '__atomic_load' discards 'const' qualifier" "" { target c } .-2 } */
      20    __atomic_load(i, v, seq_cst);
      21    /* { dg-error "argument 2 of '__atomic_load' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
      22    /* { dg-warning "argument 2 of '__atomic_load' discards 'volatile' qualifier" "" { target c } .-2 } */
      23    __atomic_load(i, cv, seq_cst);
      24    /* { dg-error "argument 2 of '__atomic_load' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      25    /* { dg-warning "argument 2 of '__atomic_load' discards 'const' qualifier" "" { target c } .-2 } */
      26    /* { dg-warning "argument 2 of '__atomic_load' discards 'volatile' qualifier" "" { target c } .-3 } */
      27  }
      28  
      29  void
      30  store()
      31  {
      32    __atomic_store(i, c, seq_cst);
      33    __atomic_store(v, c, seq_cst);
      34  
      35    __atomic_store(c, i, seq_cst);
      36    /* { dg-error "argument 1 of '__atomic_store' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      37    /* { dg-warning "argument 1 of '__atomic_store' discards 'const' qualifier" "" { target c } .-2 } */
      38    __atomic_store(cv, i, seq_cst);
      39    /* { dg-error "argument 1 of '__atomic_store' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      40    /* { dg-warning "argument 1 of '__atomic_store' discards 'const' qualifier" "" { target c } .-2 } */
      41  
      42    __atomic_store(i, v, seq_cst);
      43    /* { dg-error "argument 2 of '__atomic_store' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
      44    /* { dg-warning "argument 2 of '__atomic_store' discards 'volatile' qualifier" "" { target c } .-2 } */
      45  }
      46  
      47  void
      48  exchange()
      49  {
      50    __atomic_exchange(i, c, j, seq_cst);
      51    __atomic_exchange(v, i, j, seq_cst);
      52    __atomic_exchange(v, c, j, seq_cst);
      53  
      54    __atomic_exchange(c, i, j, seq_cst);
      55    /* { dg-error "argument 1 of '__atomic_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      56    /* { dg-warning "argument 1 of '__atomic_exchange' discards 'const' qualifier" "" { target c } .-2 } */
      57    __atomic_exchange(cv, i, j, seq_cst);
      58    /* { dg-error "argument 1 of '__atomic_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      59    /* { dg-warning "argument 1 of '__atomic_exchange' discards 'const' qualifier" "" { target c } .-2 } */
      60  
      61    __atomic_exchange(i, v, j, seq_cst);
      62    /* { dg-error "argument 2 of '__atomic_exchange' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
      63    /* { dg-warning "argument 2 of '__atomic_exchange' discards 'volatile' qualifier" "" { target c } .-2 } */
      64    __atomic_exchange(i, cv, j, seq_cst);
      65    /* { dg-error "argument 2 of '__atomic_exchange' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
      66    /* { dg-warning "argument 2 of '__atomic_exchange' discards 'volatile' qualifier" "" { target c } .-2 } */
      67  
      68    __atomic_exchange(i, j, c, seq_cst);
      69    /* { dg-error "argument 3 of '__atomic_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      70    /* { dg-warning "argument 3 of '__atomic_exchange' discards 'const' qualifier" "" { target c } .-2 } */
      71    __atomic_exchange(i, j, v, seq_cst);
      72    /* { dg-error "argument 3 of '__atomic_exchange' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
      73    /* { dg-warning "argument 3 of '__atomic_exchange' discards 'volatile' qualifier" "" { target c } .-2 } */
      74    __atomic_exchange(i, j, cv, seq_cst);
      75    /* { dg-error "argument 3 of '__atomic_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      76    /* { dg-warning "argument 3 of '__atomic_exchange' discards 'const' qualifier" "" { target c } .-2 } */
      77    /* { dg-warning "argument 3 of '__atomic_exchange' discards 'volatile' qualifier" "" { target c } .-3 } */
      78  }
      79  
      80  void
      81  compare_exchange()
      82  {
      83    __atomic_compare_exchange(i, j, c, 1, seq_cst, seq_cst);
      84    __atomic_compare_exchange(v, i, j, 1, seq_cst, seq_cst);
      85    __atomic_compare_exchange(v, i, c, 1, seq_cst, seq_cst);
      86  
      87    __atomic_compare_exchange(c, i, j, 1, seq_cst, seq_cst);
      88    /* { dg-error "argument 1 of '__atomic_compare_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      89    /* { dg-warning "argument 1 of '__atomic_compare_exchange' discards 'const' qualifier" "" { target c } .-2 } */
      90    __atomic_compare_exchange(cv, i, j, 1, seq_cst, seq_cst);
      91    /* { dg-error "argument 1 of '__atomic_compare_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      92    /* { dg-warning "argument 1 of '__atomic_compare_exchange' discards 'const' qualifier" "" { target c } .-2 } */
      93  
      94    __atomic_compare_exchange(i, c, j, 1, seq_cst, seq_cst);
      95    /* { dg-error "argument 2 of '__atomic_compare_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
      96    /* { dg-warning "argument 2 of '__atomic_compare_exchange' discards 'const' qualifier" "" { target c } .-2 } */
      97    __atomic_compare_exchange(i, v, j, 1, seq_cst, seq_cst);
      98    /* { dg-error "argument 2 of '__atomic_compare_exchange' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
      99    /* { dg-warning "argument 2 of '__atomic_compare_exchange' discards 'volatile' qualifier" "" { target c } .-2 } */
     100    __atomic_compare_exchange(i, cv, j, 1, seq_cst, seq_cst);
     101    /* { dg-error "argument 2 of '__atomic_compare_exchange' must not be a pointer to a 'const' type" "" { target c++ } .-1 } */
     102    /* { dg-warning "argument 2 of '__atomic_compare_exchange' discards 'const" "" { target c } .-2 } */
     103    /* { dg-warning "argument 2 of '__atomic_compare_exchange' discards 'volatile' qualifier" "" { target c } .-3 } */
     104  
     105    __atomic_compare_exchange(i, j, v, 1, seq_cst, seq_cst);
     106    /* { dg-error "argument 3 of '__atomic_compare_exchange' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
     107    /* { dg-warning "argument 3 of '__atomic_compare_exchange' discards 'volatile' qualifier" "" { target c } .-2 } */
     108    __atomic_compare_exchange(i, j, cv, 1, seq_cst, seq_cst);
     109    /* { dg-error "argument 3 of '__atomic_compare_exchange' must not be a pointer to a 'volatile' type" "" { target c++ } .-1 } */
     110    /* { dg-warning "argument 3 of '__atomic_compare_exchange' discards 'volatile' qualifier" "" { target c } .-2 } */
     111  }