mirror of
https://github.com/cc65/cc65.git
synced 2024-11-19 06:31:31 +00:00
41 lines
685 B
C
41 lines
685 B
C
|
|
/* bug #1989 - OptStackOps Opt_a_toscmpbool bypassed a comparison, discovered in 544a49c */
|
|
|
|
#include <stdlib.h>
|
|
|
|
unsigned char i,r,j;
|
|
|
|
void fail() // for the r=0 case, the == comparison was getting jumped over by OptStackOps
|
|
{
|
|
if ((i & 0x1f) == (r ? 0 : 16)) j -=8;
|
|
}
|
|
|
|
void pass()
|
|
{
|
|
if ((i & 0x1f) == (unsigned char)(r ? 0 : 16)) j -= 8;
|
|
}
|
|
|
|
void test(unsigned char ti, unsigned char tr, unsigned char tj)
|
|
{
|
|
unsigned char rj;
|
|
i = ti;
|
|
r = tr;
|
|
j = tj;
|
|
pass();
|
|
rj = j;
|
|
i = ti;
|
|
r = tr;
|
|
j = tj;
|
|
fail();
|
|
if (j != rj) exit(1);
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
test( 1,0,33);
|
|
test( 0,0,33);
|
|
test( 1,1,33);
|
|
test(16,1,33);
|
|
return 0;
|
|
}
|