gcc/testsuite/gcc.dg/pr44699.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 typedef long unsigned int size_t;
   4 typedef long int intmax_t;
   5 typedef long unsigned int uintmax_t;
   6 extern void *xmalloc (size_t) __attribute__ ((__malloc__));
   7 extern const char *trim_filename (const char *);
   8
   9 static __inline void *
  10 __inline_memcpy_chk (void *__dest, const void *__src, size_t __len)
  11 {
  12   return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
  13 }
  14
  15 typedef unsigned int hashval_t;
  16 typedef hashval_t (*htab_hash) (const void *);
  17 typedef int (*htab_eq) (const void *, const void *);
  18 typedef void (*htab_del) (void *);
  19 typedef int (*htab_trav) (void **, void *);
  20 typedef void *(*htab_alloc) (size_t, size_t);
  21 typedef void (*htab_free) (void *);
  22
  23 typedef void *(*htab_alloc_with_arg) (void *, size_t, size_t);
  24 typedef void (*htab_free_with_arg) (void *, void *);
  25 struct htab {
  26   htab_hash hash_f;
  27   htab_eq eq_f;
  28   htab_del del_f;
  29   void ** entries;
  30   size_t size;
  31   size_t n_elements;
  32   size_t n_deleted;
  33   unsigned int searches;
  34   unsigned int collisions;
  35   htab_alloc alloc_f;
  36   htab_free free_f;
  37   void * alloc_arg;
  38   htab_alloc_with_arg alloc_with_arg_f;
  39   htab_free_with_arg free_with_arg_f;
  40   unsigned int size_prime_index;
  41 };
  42
  43 typedef struct htab *htab_t;
  44 enum insert_option {NO_INSERT, INSERT};
  45 extern void * htab_find (htab_t, const void *);
  46 extern void ** htab_find_slot (htab_t, const void *, enum insert_option);
  47
  48 enum mode_class { MODE_RANDOM, MODE_CC, MODE_INT, MODE_PARTIAL_INT, MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM, MODE_FLOAT, MODE_DECIMAL_FLOAT, MODE_COMPLEX_INT, MODE_COMPLEX_FLOAT, MODE_VECTOR_INT, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM, MODE_VECTOR_FLOAT, MAX_MODE_CLASS };
  49
  50 static const char *const mode_class_names[MAX_MODE_CLASS] =
  51 {
  52   "MODE_RANDOM", "MODE_CC", "MODE_INT", "MODE_PARTIAL_INT", "MODE_FRACT", "MODE_UFRACT", "MODE_ACCUM", "MODE_UACCUM", "MODE_FLOAT", "MODE_DECIMAL_FLOAT", "MODE_COMPLEX_INT", "MODE_COMPLEX_FLOAT", "MODE_VECTOR_INT", "MODE_VECTOR_FRACT", "MODE_VECTOR_UFRACT", "MODE_VECTOR_ACCUM", "MODE_VECTOR_UACCUM", "MODE_VECTOR_FLOAT"
  53 };
  54 struct mode_data
  55 {
  56   struct mode_data *next;
  57
  58   const char *name;
  59   enum mode_class cl;
  60   unsigned int precision;
  61   unsigned int bytesize;
  62   unsigned int ncomponents;
  63   unsigned int alignment;
  64   const char *format;
  65
  66   struct mode_data *component;
  67   struct mode_data *wider;
  68   struct mode_data *wider_2x;
  69
  70   struct mode_data *contained;
  71
  72   struct mode_data *next_cont;
  73
  74   const char *file;
  75   unsigned int line;
  76   unsigned int counter;
  77   unsigned int ibit;
  78   unsigned int fbit;
  79 };
  80
  81 static struct mode_data *modes[MAX_MODE_CLASS];
  82 static unsigned int n_modes[MAX_MODE_CLASS];
  83 static struct mode_data *void_mode;
  84
  85 static const struct mode_data blank_mode = {
  86   0, "<unknown>", MAX_MODE_CLASS,
  87   -1U, -1U, -1U, -1U,
  88   0, 0, 0, 0, 0, 0,
  89   "<unknown>", 0, 0, 0, 0
  90 };
  91
  92 static htab_t modes_by_name;
  93
  94 static __inline__ struct mode_data *
  95 find_mode (const char *name)
  96 {
  97   struct mode_data key;
  98
  99   key.name = name;
 100   return (struct mode_data *) htab_find (modes_by_name, &key);
 101 }
 102
 103 static struct mode_data *
 104 new_mode (enum mode_class cl, const char *name,
 105    const char *file, unsigned int line)
 106 {
 107   struct mode_data *m;
 108   static unsigned int count = 0;
 109
 110   m = find_mode (name);
 111   if (m)
 112     {
 113       error ("%s:%d: duplicate definition of mode \"%s\"",
 114       trim_filename (file), line, name);
 115       error ("%s:%d: previous definition here", m->file, m->line);
 116       return m;
 117     }
 118
 119   m = ((struct mode_data *) xmalloc (sizeof (struct mode_data)));
 120   ((__builtin_object_size (m, 0) != (size_t) -1) ? __builtin___memcpy_chk (m, &blank_mode, sizeof (struct mode_data), __builtin_object_size (m, 0)) : __inline_memcpy_chk (m, &blank_mode, sizeof (struct mode_data)));
 121   m->cl = cl;
 122   m->name = name;
 123   if (file)
 124     m->file = trim_filename (file);
 125   m->line = line;
 126   m->counter = count++;
 127
 128   m->next = modes[cl];
 129   modes[cl] = m;
 130   n_modes[cl]++;
 131
 132   *htab_find_slot (modes_by_name, m, INSERT) = m;
 133
 134   return m;
 135 }
 136
 137 static void
 138 make_int_mode (const char *name,
 139         unsigned int precision, unsigned int bytesize,
 140         const char *file, unsigned int line)
 141 {
 142   struct mode_data *m = new_mode (MODE_INT, name, file, line);
 143   m->bytesize = bytesize;
 144   m->precision = precision;
 145 }
 146
 147 static void
 148 create_modes (void)
 149 {
 150 make_int_mode ("HI", -1U, 2, "../../work/gcc/machmode.def", 182);
 151 }
 152
 153 int
 154 main (int argc, char **argv)
 155 {
 156   create_modes ();
 157 }