(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
sms-5.c
       1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -funroll-loops -fdump-rtl-sms --param sms-min-sc=1" } */
       3  /* This is the same test as loop-2e.c test.  It is related to a fix in
       4     the generation of the prolog and epilog.  */
       5  
       6  extern void abort (void);
       7  
       8  __attribute__ ((noinline))
       9  void f (int *p, int **q)
      10  {
      11    int i;
      12    for (i = 0; i < 40; i++)
      13      {
      14        *q++ = &p[i];
      15      }
      16  }
      17  
      18  int main ()
      19  {
      20    void *p;
      21    int *q[40];
      22    __SIZE_TYPE__ start;
      23  
      24    /* Find the signed middle of the address space.  */
      25    if (sizeof(start) == sizeof(int))
      26      start = (__SIZE_TYPE__) __INT_MAX__;
      27    else if (sizeof(start) == sizeof(long))
      28      start = (__SIZE_TYPE__) __LONG_MAX__;
      29    else if (sizeof(start) == sizeof(long long))
      30      start = (__SIZE_TYPE__) __LONG_LONG_MAX__;
      31    else
      32      return 0;
      33  
      34    /* Arbitrarily align the pointer.  */
      35    start &= -32;
      36  
      37    /* Pretend that's good enough to start address arithmetic.  */
      38    p = (void *)start;
      39  
      40    /* Verify that GIV replacement computes the correct results.  */
      41    q[39] = 0;
      42    f (p, q);
      43    if (q[39] != (int *)p + 39)
      44      abort ();
      45  
      46    return 0;
      47  }
      48  
      49  
      50