gcc/testsuite/gcc.target/i386/pr61446.c

   1 /* PR rtl-optimization/61446 */
   2
   3 /* { dg-do compile { target { ia32 } } } */
   4 /* { dg-options "-O2 -march=corei7 -mfpmath=387" } */
   5
   6 unsigned long long
   7 foo (float a)
   8 {
   9   const double dfa = a;
  10   const unsigned int hi = dfa / 0x1p32f;
  11   const unsigned int lo = dfa - (double) hi * 0x1p32f;
  12
  13   return ((unsigned long long) hi << (4 * (8))) | lo;
  14 }