gnu/dist/gcc4/gcc/testsuite/gcc.dg/vmx/varargs-1.c

   1 #include <altivec.h>
   2 #include <stdarg.h>
   3 #include <stdio.h>
   4
   5 typedef vector unsigned int T;
   6
   7 extern void f1(int, ...);
   8 extern void f2(int, T, ...);
   9 extern void f3(int, T, T, ...);
  10 extern void f4(int, T, T, T);
  11
  12 void printx(T a)
  13 {
  14   union {
  15     T v;
  16     unsigned int a[4];
  17   } u;
  18   u.v = a;
  19   printf("%d, %d, %d, %d\n", u.a[0], u.a[1], u.a[2], u.a[3]);
  20 }
  21
  22 void f1(int a, ...)
  23 {
  24   va_list ap;
  25   va_start (ap, a);
  26   while (a-- > 0)
  27     printx(va_arg(ap, T));
  28   va_end (ap);
  29 }
  30
  31 void f2(int a, T b, ...)
  32 {
  33   va_list ap;
  34   printx(b);
  35   a--;
  36   va_start (ap, b);
  37   while (a-- > 0)
  38     printx(va_arg(ap, T));
  39   va_end (ap);
  40 }
  41
  42 void f3(int a, T b, T c, ...)
  43 {
  44   va_list ap;
  45   printx(b);
  46   a--;
  47   printx(c);
  48   a--;
  49   va_start (ap, c);
  50   while (a-- > 0)
  51     printx(va_arg(ap, T));
  52   va_end (ap);
  53 }
  54
  55 void f4(int a, T b, T c,
  56         T d)
  57 {
  58   printx(b);
  59   a--;
  60   printx(c);
  61   a--;
  62   printx(d);
  63   a--;
  64 }
  65
  66 int main()
  67 {
  68   f4 (3,
  69       ((T){1,1,1,1}),
  70       ((T){2,2,2,2}),
  71       ((T){3,3,3,3}));
  72   f3 (3,
  73       ((T){4,4,4,4}),
  74       ((T){5,5,5,5}),
  75       ((T){6,6,6,6}));
  76   f2 (3,
  77       ((T){7,7,7,7}),
  78       ((T){8,8,8,8}),
  79       ((T){9,9,9,9}));
  80   f1 (3,
  81       ((T){10,10,10,10}),
  82       ((T){11,11,11,11}),
  83       ((T){12,12,12,12}));
  84   return 0;
  85 }
  86
  87 /* { dg-output "1, 1, 1, 1(\n|\r\n|\r)" }
  88    { dg-output "2, 2, 2, 2(\n|\r\n|\r)" }
  89    { dg-output "3, 3, 3, 3(\n|\r\n|\r)" }
  90    { dg-output "4, 4, 4, 4(\n|\r\n|\r)" }
  91    { dg-output "5, 5, 5, 5(\n|\r\n|\r)" }
  92    { dg-output "6, 6, 6, 6(\n|\r\n|\r)" }
  93    { dg-output "7, 7, 7, 7(\n|\r\n|\r)" }
  94    { dg-output "8, 8, 8, 8(\n|\r\n|\r)" }
  95    { dg-output "9, 9, 9, 9(\n|\r\n|\r)" }
  96    { dg-output "10, 10, 10, 10(\n|\r\n|\r)" }
  97    { dg-output "11, 11, 11, 11(\n|\r\n|\r)" }
  98    { dg-output "12, 12, 12, 12(\n|\r\n|\r)" }
  99  */