sdcc/support/regression/tests/bug-3141.c

   1 /* bug 3141
   2    a bug in code generation for stm8 large memory model (24-bit function pointers),
   3    when returning function pointers fromk a function with a single 16-bit parameter while optimizing for code size.
   4  */
   5 #include <testfwk.h>
   6
   7 #pragma opt_code_size
   8
   9 void f(void)
  10 {
  11 }
  12
  13 typedef void (*p) (void);
  14
  15 p g(int b)
  16 {
  17         return (b ? &f : (p)0);
  18 }
  19
  20 void testBug(void)
  21 {
  22         ASSERT (g(0) == 0);
  23         ASSERT (g(1) == &f);
  24 }
  25