sdcc/support/regression/tests/bug-3085.c

   1 /* bug-3085.c
   2    Pdk code generation for wide < overwrote upper byte of operand in p.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #include <stdint.h>
   8
   9 uint16_t f(void)
  10 {
  11   uint16_t cc = 0;
  12   for (uint16_t j = 0; j < 500; j++) { // Code generation for upper byte for < overwrote upper byte of j.
  13     cc++;
  14   }
  15
  16   cc = ~cc;
  17
  18   return cc;
  19 }
  20
  21 void
  22 testBug(void)
  23 {
  24   ASSERT (f() == (uint16_t)(~(uint16_t)500));
  25 }
  26