gcc/testsuite/gcc.target/i386/vararg-1.c

   1 /* PR middle-end/36858 */
   2 /* { dg-do run } */
   3 /* { dg-options "-w" { target { lp64 } } } */
   4 /* { dg-options "-w" { target { llp64 } } } */
   5 /* { dg-options "-w -msse2 -mpreferred-stack-boundary=2" { target { ilp32 } } } */
   6 /* { dg-require-effective-target sse2 } */
   7
   8 #include "sse2-check.h"
   9 #include <stdarg.h>
  10 #include <emmintrin.h>
  11
  12 int
  13 __attribute__((noinline))
  14 test (int a, ...)
  15 {
  16   return a;
  17 }
  18
  19 __m128 n1 = { -283.3, -23.3, 213.4, 1119.03 };
  20
  21 int
  22 __attribute__((noinline))
  23 foo (void)
  24 {
  25   return test (1, n1);
  26 }
  27
  28 static void
  29 __attribute__((noinline))
  30 sse2_test (void)
  31 {
  32   if (foo () != 1)
  33     abort ();
  34 }