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/* { dg-do compile { target i?86-*-* x86_64-*-* } } */

/* { dg-options -O0 } */

typedef          int SItype     __attribute__ ((mode (SI)));

typedef          int DItype     __attribute__ ((mode (DI)));

typedef unsigned int USItype    __attribute__ ((mode (SI)));

  struct DIstruct {SItype low, high;};

typedef union

{

  struct DIstruct s;

  DItype ll;

} DIunion;

DItype

__muldi3 (DItype u, DItype v)

{

  DIunion w;

  DIunion uu, vv;

  uu.ll = u,

  vv.ll = v;

  w.ll = ({DIunion __w; __asm__ ("mull %3"      : "=a" ((USItype) (  __w.s.low )),      "=d" ((USItype) ( __w.s.high )) : "%0" ((USItype) (   uu.s.low  )),     "rm" ((USItype) (    vv.s.low  ))) ;    __w.ll; }) ;

  w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high

               + (USItype) uu.s.high * (USItype) vv.s.low);

  return w.ll;

}