mirror of
https://github.com/cc65/cc65.git
synced 2024-12-25 02:29:52 +00:00
72 lines
996 B
C
72 lines
996 B
C
/*
|
|
!!DESCRIPTION!! Shift bytes left and right by a variable.
|
|
!!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;
|
|
|
|
#ifdef SUPPORT_BIT_TYPES
|
|
bit bit0 = 0;
|
|
#endif
|
|
unsigned int aint0 = 0;
|
|
unsigned int aint1 = 0;
|
|
unsigned char achar0 = 0;
|
|
unsigned char achar1 = 0;
|
|
unsigned char achar2 = 0;
|
|
unsigned char achar3 = 0;
|
|
|
|
void done()
|
|
{
|
|
dummy++;
|
|
}
|
|
|
|
void shift_right_var(void)
|
|
{
|
|
achar0 >>= achar1;
|
|
}
|
|
|
|
void shift_left_var(void)
|
|
{
|
|
achar0 <<= achar1;
|
|
}
|
|
|
|
void shift_int_left_1(void)
|
|
{
|
|
aint0 <<= 1;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
char i;
|
|
|
|
achar0 = 1;
|
|
achar1 = 1;
|
|
shift_left_var();
|
|
|
|
if(achar0 !=2)
|
|
failures++;
|
|
|
|
achar0 = 1;
|
|
achar1 = 1;
|
|
achar2 = 1;
|
|
for(i=0; i<7; i++) {
|
|
shift_left_var();
|
|
achar2 <<= 1;
|
|
|
|
if(achar2 != achar0)
|
|
failures++;
|
|
}
|
|
|
|
success=failures;
|
|
done();
|
|
printf("failures: %d\n",failures);
|
|
|
|
return failures;
|
|
}
|