gcc/testsuite/gcc.dg/pr20927.c

   1 /* This caused an ICE on s390x due to a reload inheritance bug.  */
   2
   3 /* { dg-do compile { target s390*-*-* } } */
   4 /* { dg-options "-O2" } */
   5
   6 struct point { double x, y; };
   7 extern void use (struct point);
   8
   9 void test (struct point *pc, struct point p1)
  10 {
  11   struct point p0 = *pc;
  12
  13   if (p0.x == p1.x && p0.y == p1.y)
  14     use (p0);
  15
  16   asm ("" : : : "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
  17
  18   p1.y -= p0.y;
  19
  20   use (p0);
  21   use (p1);
  22 }
  23