gcc/testsuite/gcc.target/i386/pr39678.c

   1 /* PR target/39678 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-options "-O2" } */
   5
   6 struct X {
   7   char c;
   8   __complex__ float val;
   9 };
  10
  11 struct X
  12 foo (float *p)
  13 { /* { dg-message "note: the ABI of passing structure with complex float member has changed in GCC 4.4" } */
  14   struct X x;
  15   x.c = -3;
  16   __real x.val = p[0];
  17   __imag x.val = p[1];
  18   return x;
  19 }