gcc/testsuite/gcc.dg/torture/pr30665-2.c

   1 /* PR target/30665: bug in cris.md peephole2 condition.
   2    Original reduced testcase (fails on 3.2.1 derivate, not on trunk).  */
   3 /* { dg-do run } */
   4
   5 extern void abort (void);
   6 extern void exit (int);
   7
   8 struct t
   9 {
  10   unsigned int a : 12;
  11   unsigned int b  : 12;
  12   unsigned int dummy1 : 8;
  13 };
  14
  15 struct area
  16 {
  17   int xa;
  18   int xb;
  19 };
  20
  21 struct c
  22 {
  23   struct area ii;
  24 };
  25
  26 static struct c c;
  27
  28 void  __attribute__ ((__noinline__)) g(int a)
  29 {
  30   if (a != 79)
  31     abort ();
  32 }
  33
  34 void  __attribute__ ((__noinline__)) h(struct t tt)
  35 {
  36   if (tt.a != 20 || tt.b != 79)
  37     abort ();
  38 }
  39
  40 void __attribute__ ((__noinline__)) s(void);
  41
  42 int main(int argc, char **argv)
  43 {
  44   c.ii.xa = 20;
  45   c.ii.xb = 79;
  46
  47   s();
  48
  49   exit (0);
  50 }
  51
  52 void __attribute__ ((__noinline__)) s(void)
  53 {
  54   struct t ii_x = { .a = c.ii.xa, .b = c.ii.xb };
  55   g(c.ii.xb);
  56   h(ii_x);
  57 }