1  /* { dg-require-stack-size "0x80100" } */
       2  
       3  /* Like pr28982a.c, but with the spill slots outside the range of
       4     a single sp-based load on ARM.  This test tests for cases where
       5     the addresses in the base and index reloads require further reloads.  */
       6  #define NITER 4
       7  #define NVARS 20
       8  #define MULTI(X) \
       9    X( 0), X( 1), X( 2), X( 3), X( 4), X( 5), X( 6), X( 7), X( 8), X( 9), \
      10    X(10), X(11), X(12), X(13), X(14), X(15), X(16), X(17), X(18), X(19)
      11  
      12  #define DECLAREI(INDEX) inc##INDEX = incs[INDEX]
      13  #define DECLAREF(INDEX) *ptr##INDEX = ptrs[INDEX], result##INDEX = 0
      14  #define LOOP(INDEX) result##INDEX += *ptr##INDEX, ptr##INDEX += inc##INDEX
      15  #define COPYOUT(INDEX) results[INDEX] = result##INDEX
      16  
      17  float *ptrs[NVARS];
      18  float results[NVARS];
      19  int incs[NVARS];
      20  
      21  struct big { int i[0x10000]; };
      22  void __attribute__((noinline))
      23  bar (struct big b)
      24  {
      25    incs[0] += b.i[0];
      26  }
      27  
      28  void __attribute__((noinline))
      29  foo (int n)
      30  {
      31    struct big b = {};
      32    int MULTI (DECLAREI);
      33    float MULTI (DECLAREF);
      34    while (n--)
      35      MULTI (LOOP);
      36    MULTI (COPYOUT);
      37    bar (b);
      38  }
      39  
      40  float input[NITER * NVARS];
      41  
      42  int
      43  main (void)
      44  {
      45    int i;
      46  
      47    for (i = 0; i < NVARS; i++)
      48      ptrs[i] = input + i, incs[i] = i;
      49    for (i = 0; i < NITER * NVARS; i++)
      50      input[i] = i;
      51    foo (NITER);
      52    for (i = 0; i < NVARS; i++)
      53      if (results[i] != i * NITER * (NITER + 1) / 2)
      54        return 1;
      55    return 0;
      56  }