sdcc/support/regression/tests/bug-2770.c

   1 /* bug-2761.c
   2    z80 code generation for ^, &, | failed when one operand is register A, while the other is a sfr.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #if defined(__SDCC_z80) || defined(__SDCC_z80n) || defined(__SDCC_z180) || defined(__SDCC_r2k) || defined(__SDCC_r2ka) || defined(__SDCC_r3ka) || defined(__SDCC_mcs51)
   8 __sfr __at 0xB0 rtc_secl;
   9
  10 void fooX(void)
  11 {
  12     unsigned char r = 0;
  13     do {
  14         r = rtc_secl;
  15     } while((r ^ rtc_secl) & 0x0F);
  16 }
  17
  18 void fooA(void)
  19 {
  20     unsigned char r = 0;
  21     do {
  22         r = rtc_secl;
  23     } while((r & rtc_secl) & 0x0F);
  24 }
  25
  26 void fooO(void)
  27 {
  28     unsigned char r = 0;
  29     do {
  30         r = rtc_secl;
  31     } while((r | rtc_secl) & 0x0F);
  32 }
  33 #endif
  34
  35 void testBug(void)
  36 {
  37 }
  38