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#include <altivec.h>

#include <stdarg.h>

#include <stdio.h>

typedef vector unsigned int T;

extern void f1(int, ...);

extern void f2(int, T, ...);

extern void f3(int, T, T, ...);

extern void f4(int, T, T, T);

void printx(T a)

{

  union {

    T v;

    unsigned int a[4];

  } u;

  u.v = a;

  printf("%d, %d, %d, %d\n", u.a[0], u.a[1], u.a[2], u.a[3]);

}

void f1(int a, ...)

{

  va_list ap;

  va_start (ap, a);

  while (a-- > 0)

    printx(va_arg(ap, T));

  va_end (ap);

}

void f2(int a, T b, ...)

{

  va_list ap;

  printx(b);

  a--;

  va_start (ap, b);

  while (a-- > 0)

    printx(va_arg(ap, T));

  va_end (ap);

}

void f3(int a, T b, T c, ...)

{

  va_list ap;

  printx(b);

  a--;

  printx(c);

  a--;

  va_start (ap, c);

  while (a-- > 0)

    printx(va_arg(ap, T));

  va_end (ap);

}

void f4(int a, T b, T c,

        T d)

{

  printx(b);

  a--;

  printx(c);

  a--;

  printx(d);

  a--;

}

int main()

{

  f4 (3,

      ((T){1,1,1,1}),

      ((T){2,2,2,2}),

      ((T){3,3,3,3}));

  f3 (3,

      ((T){4,4,4,4}),

      ((T){5,5,5,5}),

      ((T){6,6,6,6}));

  f2 (3,

      ((T){7,7,7,7}),

      ((T){8,8,8,8}),

      ((T){9,9,9,9}));

  f1 (3,

      ((T){10,10,10,10}),

      ((T){11,11,11,11}),

      ((T){12,12,12,12}));

  return 0;

}

/* { dg-output "1, 1, 1, 1(\n|\r\n|\r)" }

   { dg-output "2, 2, 2, 2(\n|\r\n|\r)" }

   { dg-output "3, 3, 3, 3(\n|\r\n|\r)" }

   { dg-output "4, 4, 4, 4(\n|\r\n|\r)" }

   { dg-output "5, 5, 5, 5(\n|\r\n|\r)" }

   { dg-output "6, 6, 6, 6(\n|\r\n|\r)" }

   { dg-output "7, 7, 7, 7(\n|\r\n|\r)" }

   { dg-output "8, 8, 8, 8(\n|\r\n|\r)" }

   { dg-output "9, 9, 9, 9(\n|\r\n|\r)" }

   { dg-output "10, 10, 10, 10(\n|\r\n|\r)" }

   { dg-output "11, 11, 11, 11(\n|\r\n|\r)" }

   { dg-output "12, 12, 12, 12(\n|\r\n|\r)" }

 */