gcc/testsuite/gcc.target/i386/pr63542-1.c

   1 /* PR target/63542 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -g -dA" } */
   4 /* { dg-additional-options "-fpic" { target fpic } } */
   5
   6 float
   7 foo (long long u)
   8 {
   9   if (!(-(1LL << 53) < u && u < (1LL << 53)))
  10     {
  11       if ((unsigned long long) u & ((1ULL << 11) - 1))
  12         {
  13           u &= ~((1ULL << 11) - 1);
  14           u |= (1ULL << 11);
  15         }
  16     }
  17   double f = (int) (u >> (32));
  18   f *= 0x1p32f;
  19   f += (unsigned int) u;
  20   return (float) f;
  21 }