sdcc/support/regression/tests/bug-2771.c

   1 /* bug-2761.c
   2    z80 peephole optimizer segfault when it incorrectly parsed the set_id label as a set instruction.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #if defined(__SDCC_z80) || defined(__SDCC_z180) || defined(__SDCC_r2k) || defined(__SDCC_r2ka) || defined(__SDCC_r3ka)
   8 unsigned int port;
   9
  10 static unsigned char cpu_id;
  11 static int cpu_cache = 0;
  12 static const char *cpu_bugs = "";
  13 static signed char z80_nmos = -1;
  14
  15 #define CPU_Z80_Z280            2
  16 static void cpu_ident(void)
  17 {
  18     __asm
  19 set_id:
  20         ld (_cpu_id),a
  21     __endasm;
  22
  23     switch(cpu_id) {
  24     case CPU_Z80_Z280:  /* FIXME R800.. */
  25         cpu_cache = 256;
  26         break;
  27     }
  28     if (z80_nmos == 1)
  29         cpu_bugs = "iff";
  30 }
  31 #endif
  32
  33 void testBug(void)
  34 {
  35 }
  36