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