[Bug lto/56570] ICE when streaming a TREE_BLOCK

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56570

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-08 12:15:13 UTC ---
typedef struct { unsigned long long w[4]; } UINT256;
static void add256 (UINT256 x, UINT256 y, UINT256 * pz)
{
    UINT256 z;
    z.w[0] = x.w[0] + y.w[0];
    z.w[1] = x.w[1] + y.w[1];
    z.w[2] = x.w[2] + y.w[2];
    z.w[3] = x.w[3] + y.w[3];
    *pz = z;
}
static inline void bid128_ext_fma ()
{
  UINT256 C4;
  UINT256 R256;
  add256 (C4, R256, &R256);
  nr_digits256 (R256);
}
void __bid128_fma ()
{
  bid128_ext_fma ();
}


ICEs at -O2 -g -m32 with the extra checking.