gcc/testsuite/gcc.target/i386/pr70955.c

   1 /* __builtin_ms_va_list is only supported for -m64.  */
   2 /* { dg-do run { target lp64 } } */
   3 /* { dg-require-effective-target lto } */
   4 /* { dg-options "-flto" } */
   5
   6 #include <stdio.h>
   7
   8 int __attribute__((ms_abi))
   9 foo (int n, ...)
  10 {
  11   __builtin_ms_va_list ap;
  12   int sum = 0;
  13
  14   __builtin_ms_va_start (ap, n);
  15
  16   while (n--)
  17     {
  18       sum += __builtin_va_arg (ap, int);
  19       printf ("sum = %d\n", sum);
  20     }
  21
  22   __builtin_ms_va_end (ap);
  23
  24   return sum;
  25 }
  26
  27 int
  28 main (void)
  29 {
  30   int res = foo (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
  31
  32   if (res != 55)
  33     __builtin_abort ();
  34
  35   return 0;
  36 }