gcc/testsuite/gcc.dg/sms-9.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves" } */
   3
   4 #include <stdlib.h>
   5 #include <stdarg.h>
   6
   7 struct df_ref_info
   8 {
   9   unsigned int *begin;
  10   unsigned int *count;
  11 };
  12
  13 extern void *memset (void *s, int c, __SIZE_TYPE__ n);
  14
  15
  16 __attribute__ ((noinline))
  17 int
  18 df_reorganize_refs_by_reg_by_insn (struct df_ref_info *ref_info,
  19                                    int num, unsigned int start)
  20 {
  21   unsigned int m = num;
  22   unsigned int offset = 77;
  23   unsigned int r;
  24
  25   for (r = start; r < m; r++)
  26     {
  27       ref_info->begin[r] = offset;
  28       offset += ref_info->count[r];
  29       ref_info->count[r] = 0;
  30     }
  31
  32   return offset;
  33 }
  34
  35 int
  36 main ()
  37 {
  38   struct df_ref_info temp;
  39   int num = 100;
  40   unsigned int start = 5;
  41   int i, offset;
  42
  43   temp.begin = malloc (100 * sizeof (unsigned int));
  44   temp.count = malloc (100 * sizeof (unsigned int));
  45
  46   memset (temp.begin, 0, sizeof (unsigned int) * num);
  47   memset (temp.count, 0, sizeof (unsigned int) * num);
  48
  49   for (i = 0; i < num; i++)
  50     temp.count[i] = i + 1;
  51
  52   offset = df_reorganize_refs_by_reg_by_insn (&temp, num, start);
  53
  54   if (offset != 5112)
  55     abort ();
  56
  57   free (temp.begin);
  58   free (temp.count);
  59   return 0;
  60 }