sdcc/support/regression/tests/bug-2403.c

   1 /*
   2    bug-2403.c
   3 */
   4
   5 #include <testfwk.h>
   6
   7 #define CONST 0x09090909UL
   8
   9 typedef struct
  10 {
  11   unsigned char a;
  12   unsigned char b;
  13   unsigned int  c;
  14   unsigned long d;
  15   unsigned long e;
  16   unsigned long f;
  17 } struct_one;
  18
  19 #ifndef __SDCC_pdk14 // Not enough RAM
  20 __xdata struct_one test;
  21 unsigned long sum;
  22
  23 unsigned long badd (__xdata struct_one *pointer)
  24 {
  25   sum = pointer->e + pointer->f;
  26   if (sum)
  27     return CONST / sum;
  28   else
  29     return 0;
  30 }
  31
  32 unsigned long add (__xdata struct_one *pointer)
  33 {
  34   sum = pointer->e + pointer->f;
  35   return CONST / sum;
  36 }
  37 #endif
  38
  39 void testBug (void)
  40 {
  41 #ifndef __SDCC_pdk14 // Not enough RAM
  42   test.e = 0x01010101;
  43   test.f = 0x02020202;
  44   ASSERT (3UL == add(&test));
  45 #endif
  46 }