gcc/testsuite/gcc.dg/fixed-point/view-convert-2.c

   1 /* PR tree-optimization/56064 */
   2 /* { dg-do run } */
   3 /* { dg-options "-std=gnu99 -O2" } */
   4
   5 extern void abort (void);
   6 extern void exit (int);
   7
   8 void test_k (void)
   9 {
  10   _Accum a;
  11   __INT32_TYPE__ i = -__INT32_MAX__;
  12
  13   if (sizeof (a) != sizeof (i))
  14     return;
  15
  16   __builtin_memcpy (&a, &i, sizeof (a));
  17
  18   if (a >= 0k)
  19     abort();
  20 }
  21
  22 void test_0k (void)
  23 {
  24   _Accum a;
  25   __INT32_TYPE__ i = 0;
  26
  27   if (sizeof (a) != sizeof (i))
  28     return;
  29
  30   __builtin_memcpy (&a, &i, sizeof (a));
  31
  32   if (a != 0k)
  33     abort();
  34 }
  35
  36
  37 void test_hr (void)
  38 {
  39   short _Fract a;
  40   __INT8_TYPE__ i = -__INT8_MAX__;
  41
  42   if (sizeof (a) != sizeof (i))
  43     return;
  44
  45   __builtin_memcpy (&a, &i, sizeof (a));
  46
  47   if (a >= 0hr)
  48     abort();
  49 }
  50
  51 void test_0hr (void)
  52 {
  53   short _Fract a;
  54   __INT8_TYPE__ i = 0;
  55
  56   if (sizeof (a) != sizeof (i))
  57     return;
  58
  59   __builtin_memcpy (&a, &i, sizeof (a));
  60
  61   if (a != 0hr)
  62     abort();
  63 }
  64
  65
  66 void test_si (void)
  67 {
  68   _Accum a = __ACCUM_MIN__;
  69   __INT32_TYPE__ i;
  70
  71   if (sizeof (a) != sizeof (i))
  72     return;
  73
  74   __builtin_memcpy (&i, &a, sizeof (i));
  75
  76   if (i >= 0)
  77     abort();
  78 }
  79
  80 void test_0si (void)
  81 {
  82   _Accum a = 0;
  83   __INT32_TYPE__ i;
  84
  85   if (sizeof (a) != sizeof (i))
  86     return;
  87
  88   __builtin_memcpy (&i, &a, sizeof (i));
  89
  90   if (i != 0)
  91     abort();
  92 }
  93
  94
  95 void test_qi (void)
  96 {
  97   short _Fract a = __SFRACT_MIN__;
  98   __INT8_TYPE__ i;
  99
 100   if (sizeof (a) != sizeof (i))
 101     return;
 102
 103   __builtin_memcpy (&i, &a, sizeof (i));
 104
 105   if (i >= 0)
 106     abort();
 107 }
 108
 109 void test_0qi (void)
 110 {
 111   short _Fract a = 0hr;
 112   __INT8_TYPE__ i;
 113
 114   if (sizeof (a) != sizeof (i))
 115     return;
 116
 117   __builtin_memcpy (&i, &a, sizeof (i));
 118
 119   if (i != 0)
 120     abort();
 121 }
 122
 123
 124 int main (void)
 125 {
 126   test_hr();
 127   test_k();
 128   test_qi();
 129   test_si();
 130
 131   test_0hr();
 132   test_0k();
 133   test_0qi();
 134   test_0si();
 135
 136   exit (0);
 137
 138   return 0;
 139 }