Subversion Repositories openrisc_me

/* { dg-do run } */

/* { dg-options "-w" } */

/* { dg-options "-O3 -w" { target powerpc*-*-* } } */

#include 

#include 

// The VxWorks kernel headers define their own UINT32

#if defined __vxworks && !defined __RTP__

#define UINT32 my_UINT32

#endif

typedef signed short SINT16 ;

typedef unsigned long UINT32 ;

typedef unsigned int UINT ;

class A

{

public:

    union

    {

      SINT16 xy[2];

      UINT32 abXY;

    };

  bool operator==(const A& other) const {return abXY == other.abXY;}

  bool operator!=(const A& other) const {return abXY != other.abXY;}

};

template  struct pArray { unsigned char u08[16*(((size*1)+15)/16)] __attribute__ ((aligned(16))); };

struct B

{

  union {

    A mvL[2];

    pArray<1> xyz;

  };

} ;

typedef struct

{

  UINT w;

  B b;

}C;

UINT32 bar (const C * sPtr)

{

  UINT w = sPtr->w;

  A a;

  a.xy[0] = sPtr->b.mvL[w].xy[0]<<2;

  a.xy[1] = sPtr->b.mvL[w].xy[1]<<2;

  if (a.xy[0] != ((SINT16) 0xffff << 2))

        abort ();

}

int main()

{

        A a;

        C c;

        a.xy[0] = 0xffff;

        a.xy[1] = 0xffff;

        c.w=0;

        c.b.mvL[0].xy[0] = a.xy[0];

        c.b.mvL[0].xy[1] = a.xy[1];

        bar (&c);

}