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
REG_N_SETS(int regno)31 REG_N_SETS (int regno)
32 {
33   return regstat_n_sets_and_refs[regno].sets;
34 }
35 
36 __attribute__ ((noinline))
max_reg_num(void)37      int max_reg_num (void)
38 {
39   return 100;
40 }
41 
42 __attribute__ ((noinline))
regstat_init_n_sets_and_refs(void)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
main()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 
119