sdcc/support/regression/tests/bug-3678.c

   1 /* bug-3661.c
   2    A crash in code generation for sm83/z80 bitwise operations when both operands are in I/O space.
   3 */
   4
   5 #include <testfwk.h>
   6
   7 #if defined(__SDCC_z80) || defined(__SDCC_pdk14) || defined(__SDCC_pdk15)
   8 __sfr __at(0x10) changeBase;
   9 __sfr __at(0x11) LCDC_REG;
  10 #elif defined(__SDCC_sm83)
  11 __sfr __at(0xff10) changeBase;
  12 __sfr __at(0xff11) LCDC_REG;
  13 #else
  14 unsigned char changeBase;
  15 unsigned char LCDC_REG;
  16 #endif
  17
  18 void f(void)
  19 {
  20     LCDC_REG ^= changeBase;
  21 }
  22
  23 void g(void)
  24 {
  25     LCDC_REG |= changeBase;
  26 }
  27
  28 void h(void)
  29 {
  30     LCDC_REG &= changeBase;
  31 }
  32
  33 void
  34 testBug (void)
  35 {
  36 }
  37