gcc/testsuite/gcc.c-torture/execute/20030218-1.c

   1 /*  On H8, the predicate general_operand_src(op,mode) used to ignore
   2     mode when op is a (mem (post_inc ...)).  As a result, the pattern
   3     for extendhisi2 was recognized as extendqisi2.  */
   4
   5 extern void abort ();
   6 extern void exit (int);
   7
   8 short *q;
   9
  10 long
  11 foo (short *p)
  12 {
  13   long b = *p;
  14   q = p + 1;
  15   return b;
  16 }
  17
  18 int
  19 main ()
  20 {
  21   short a = 0xff00;
  22   if (foo (&a) != (long) (short) 0xff00)
  23     abort ();
  24   exit (0);
  25 }