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/* { dg-do compile } */

/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */

/* { dg-require-effective-target powerpc_vsx_ok } */

/* { dg-options "-O3 -mcpu=power7" } */

/* Cut down example from s_scalbnl that aborted on 32-bit when the fix for

   48053 went in to allow creating DImode 0's in VSX registers.  */

typedef union

{

  long double value;

  struct

  {

    unsigned long long msw;

    unsigned long long lsw;

  } parts64;

  struct

  {

    unsigned int w0, w1, w2, w3;

  } parts32;

} ieee854_long_double_shape_type;

static const long double twolm54 = 5.55111512312578270212e-17;

long double foo (long double x, int n)

{

  long long k, hx, lx;

  ieee854_long_double_shape_type qw_u;

  qw_u.value = x;

  hx = qw_u.parts64.msw;

  lx = qw_u.parts64.lsw;

  k = ((hx >> 52) & 0x7ff) + n + 54;

  qw_u.parts64.msw = ((hx & 0x800fffffffffffffULL) | (k << 52));

  qw_u.parts64.lsw = lx;

  x = qw_u.value;

  return x*twolm54;

}