cc65/test/val/xor.c

/*
  !!DESCRIPTION!!
  !!ORIGIN!!      SDCC regression tests
  !!LICENCE!!     GPL, read COPYING.GPL
*/

#include <stdio.h>
#include <limits.h>

unsigned char success=0;
unsigned char failures=0;
unsigned char dummy=0;

unsigned char achar0 = 0;
unsigned char achar1 = 0;
unsigned char achar2 = 0;

void done()
{
  dummy++;
}

void xor_chars_0_1(void)
{
  achar2 = achar0 ^ achar1;

  achar0 = achar0 ^ 0x1;

  achar1 = achar0 ^ achar1 ^ 4;
}

void xor_if(void)
{
  if(achar0 ^ achar1) 
    failures++;

  achar0 ^= 0xff;

  if( !(achar0 ^ achar1) ) 
    failures++;
}

int  main(void)
{
  xor_chars_0_1();

  if(achar2)
    failures++;

  if(achar0 != 1)
    failures++;

  if(achar1 != 5)
    failures++;

  achar0 = achar1;
  xor_if();

  success = failures;
  done();
  printf("failures: %d\n",failures);

  return failures;
}