sdcc/support/regression/tests/bug-3379.c

   1 /* bug-3368.c
   2    A bug in stm8 codegen affecting tail-call optimization of calls to functions taing a single 8-bit parameter from functions that put exactly 1 byte of local variables on the stack.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #include <stdbool.h>
   8
   9 volatile unsigned char a;
  10
  11 static inline void ta(void)
  12 {
  13     a |= 0x1;
  14 }
  15
  16 static void sub_func(bool my_sub_flag)
  17 {
  18     ASSERT (my_sub_flag);
  19 }
  20
  21 static void sdcc42_bug(bool my_flag)
  22 {
  23     if (my_flag)
  24         ta();
  25     else
  26         ta();
  27
  28     sub_func(true);
  29 }
  30
  31 void testBug(void)
  32 {
  33         sdcc42_bug(false);
  34 }
  35