gcc/testsuite/gcc.dg/torture/va-arg-25.c

   1 /* Varargs and vectors!  */
   2
   3 /* { dg-do run } */
   4 /* { dg-options "-msse" { target { i?86-*-* x86_64-*-* } } } */
   5 /* { dg-require-effective-target sse_runtime { target { i?86-*-* x86_64-*-* } } } */
   6 /* { dg-options "-mabi=altivec -maltivec" { target { powerpc-*-* powerpc64-*-* } } } */
   7 /* { dg-require-effective-target vmx_hw { target { powerpc-*-* powerpc64-*-* } } } */
   8
   9 #include <stdarg.h>
  10 #include <stdlib.h>
  11 #include <limits.h>
  12
  13 #define vector __attribute__((vector_size(16)))
  14
  15 const vector unsigned int v1 = {10,11,12,13};
  16 const vector unsigned int v2 = {20,21,22,23};
  17
  18 extern int memcmp (const void *, const void *, size_t);
  19
  20 void foo(int a, ...)
  21 {
  22   va_list args;
  23   vector unsigned int v;
  24
  25   va_start (args, a);
  26   v = va_arg (args, vector unsigned int);
  27   if (a != 1 || memcmp (&v, &v1, sizeof (v)) != 0)
  28     abort ();
  29   a = va_arg (args, int);
  30   if (a != 2)
  31     abort ();
  32   v = va_arg (args, vector unsigned int);
  33   if (memcmp (&v, &v2, sizeof (v)) != 0)
  34     abort ();
  35   va_end (args);
  36 }
  37
  38 int main(void)
  39 {
  40 #if INT_MAX == 2147483647
  41   foo (1, (vector unsigned int){10,11,12,13}, 2,
  42        (vector unsigned int){20,21,22,23});
  43 #endif
  44   return 0;
  45 }
  46