gcc/testsuite/gcc.c-torture/compile/pr35595.c

   1 /* { dg-require-effective-target int32plus } */
   2 typedef signed int __int32_t;
   3 typedef unsigned int __uint32_t;
   4 typedef union
   5 {
   6   float value;
   7   __uint32_t word;
   8 }
   9 ieee_float_shape_type;
  10 static const float two23 = 8.3886080000e+06;
  11 static const float pi = 3.1415927410e+00;
  12 static const float zero = 0.0000000000e+00;
  13 static float
  14 sin_pif (float x)
  15 {
  16   float y = 0;
  17   float z = 0;
  18   __int32_t n = 0;
  19   __int32_t ix = 0;
  20   do
  21     {
  22       ieee_float_shape_type gf_u = { 0 };
  23       (ix) = gf_u.word;
  24     }
  25   while (0);
  26   if (z == y)
  27     {
  28       if (ix < 0x4b800000)
  29         {
  30           if (ix < 0x4b000000)
  31             z = y + two23;
  32           do
  33             {
  34               ieee_float_shape_type gf_u;
  35               gf_u.value = (z);
  36               (n) = gf_u.word;
  37             }
  38           while (0);
  39         }
  40     }
  41   if (n == 0)
  42     y = __kernel_sinf (pi * y, zero, 0);
  43 }
  44
  45 float
  46 __ieee754_lgammaf_r (float x, int *signgamp)
  47 {
  48   float t = 0;
  49   __int32_t hx = 0;
  50   do
  51     {
  52       ieee_float_shape_type gf_u = { 0 };
  53       (hx) = gf_u.word;
  54     }
  55   while (0);
  56   if (hx < 0)
  57     t = sin_pif (x);
  58   return 0;
  59 }