gcc/testsuite/gcc.target/i386/vararg-2.c

   1 /* PR middle-end/36859 */
   2 /* { dg-do run } */
   3 /* { dg-options "-w -msse2" } */
   4 /* { dg-additional-options "-mpreferred-stack-boundary=2" { target ia32 } } */
   5 /* { dg-require-effective-target sse2 } */
   6
   7 #include "sse2-check.h"
   8 #include <stdarg.h>
   9 #include <emmintrin.h>
  10
  11 __m128
  12 __attribute__((noinline))
  13 test (int a, ...)
  14 {
  15   __m128 x;
  16   va_list va_arglist;
  17
  18   va_start (va_arglist, a);
  19   x = va_arg (va_arglist, __m128);
  20   va_end (va_arglist);
  21   return x;
  22 }
  23
  24 __m128 n1 = { -283.3, -23.3, 213.4, 1119.03 };
  25
  26 int
  27 __attribute__((noinline))
  28 foo (void)
  29 {
  30   __m128 x = test (1, n1);
  31   if (__builtin_memcmp (&x, &n1, sizeof (x)) != 0)
  32     abort ();
  33   return 0;
  34 }
  35
  36 static void
  37 __attribute__((noinline))
  38 sse2_test (void)
  39 {
  40   foo ();
  41 }