gcc/testsuite/gcc.dg/sms-10.c

   1  /* { dg-do run } */
   2  /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */
   3
   4
   5 typedef __SIZE_TYPE__ size_t;
   6 extern void *malloc (size_t);
   7 extern void free (void *);
   8 extern void abort (void);
   9
  10 struct regstat_n_sets_and_refs_t
  11 {
  12   int sets;
  13   int refs;
  14 };
  15
  16 struct regstat_n_sets_and_refs_t *regstat_n_sets_and_refs;
  17
  18 struct df_reg_info
  19 {
  20   unsigned int n_refs;
  21 };
  22
  23 struct df_d
  24 {
  25   struct df_reg_info **def_regs;
  26   struct df_reg_info **use_regs;
  27 };
  28 struct df_d *df;
  29
  30 static inline int
  31 REG_N_SETS (int regno)
  32 {
  33   return regstat_n_sets_and_refs[regno].sets;
  34 }
  35
  36 __attribute__ ((noinline))
  37      int max_reg_num (void)
  38 {
  39   return 100;
  40 }
  41
  42 __attribute__ ((noinline))
  43      void regstat_init_n_sets_and_refs (void)
  44 {
  45   unsigned int i;
  46   unsigned int max_regno = max_reg_num ();
  47
  48   for (i = 0; i < max_regno; i++)
  49     {
  50       (regstat_n_sets_and_refs[i].sets = (df->def_regs[(i)]->n_refs));
  51       (regstat_n_sets_and_refs[i].refs =
  52        (df->use_regs[(i)]->n_refs) + REG_N_SETS (i));
  53     }
  54 }
  55
  56 int a_sets[100] =
  57   { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
  58   21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
  59   40, 41, 42,
  60   43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
  61   62, 63, 64,
  62   65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
  63   84, 85, 86,
  64   87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99
  65 };
  66
  67 int a_refs[100] =
  68   { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38,
  69   40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76,
  70   78, 80, 82,
  71   84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116,
  72   118, 120,
  73   122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144, 146, 148, 150,
  74   152, 154, 156,
  75   158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, 182, 184, 186,
  76   188, 190, 192,
  77   194, 196, 198
  78 };
  79
  80 int
  81 main ()
  82 {
  83   struct df_reg_info *b[100], *c[100];
  84   struct df_d df1;
  85   size_t s = sizeof (struct df_reg_info);
  86   struct regstat_n_sets_and_refs_t a[100];
  87
  88   df = &df1;
  89   regstat_n_sets_and_refs = a;
  90   int i;
  91
  92   for (i = 0; i < 100; i++)
  93     {
  94       b[i] = (struct df_reg_info *) malloc (s);
  95       b[i]->n_refs = i;
  96       c[i] = (struct df_reg_info *) malloc (s);
  97       c[i]->n_refs = i;
  98     }
  99
 100   df1.def_regs = b;
 101   df1.use_regs = c;
 102   regstat_init_n_sets_and_refs ();
 103
 104   for (i = 0; i < 100; i++)
 105     if ((a[i].sets != a_sets[i]) || (a[i].refs != a_refs[i]))
 106       abort ();
 107
 108   for (i = 0; i < 100; i++)
 109     {
 110       free (b[i]);
 111       free (c[i]);
 112     }
 113
 114   return 0;
 115 }
 116
 117 /* { dg-final { scan-rtl-dump-times "SMS succeeded" 1 "sms" { target powerpc*-*-* } } } */
 118