mirror of https://github.com/cc65/cc65.git
152 lines
3.0 KiB
C
152 lines
3.0 KiB
C
/*
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!!DESCRIPTION!!
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!!ORIGIN!! SDCC regression tests
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!!LICENCE!! GPL, read COPYING.GPL
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*/
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#include <stdio.h>
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#include <limits.h>
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unsigned char success=0;
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unsigned char failures=0;
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unsigned char dummy=0;
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#ifdef SUPPORT_BIT_TYPES
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bit bit0 = 0;
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#endif
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unsigned int uint0 = 0;
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unsigned int uint1 = 0;
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unsigned char uchar0 = 0;
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unsigned char uchar1 = 0;
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void dput(unsigned char val)
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{
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/*PORTB = val;
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PORTA = 0x01;
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PORTA = 0x00;
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*/
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}
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void done()
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{
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dummy++;
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}
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/* both loops use the loop variable inside the inner loop */
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void for1(void)
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{
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unsigned char i, j;
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uchar0 = 0;
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uchar1 = 0;
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for(i = 0; i < 3; i++) {
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uchar0++;
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for(j = 0; j < 4; j++) {
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uchar1++;
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dput(i);
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dput(j);
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}
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}
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if(uchar0 != 3)
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failures++;
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if(uchar1 != 12)
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failures++;
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}
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/* only the outer loop's variable is used inside, inner can be optimized into a repeat-loop */
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void for2(void)
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{
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unsigned char i, j;
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uchar0 = 0;
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uchar1 = 0;
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for(i = 0; i < 3; i++) {
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uchar0++;
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for(j = 0; j < 4; j++) {
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uchar1++;
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dput(i);
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}
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}
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if(uchar0 != 3)
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failures++;
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if(uchar1 != 12)
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failures++;
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}
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/* only the inner loop's variable is used inside */
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void for3(void)
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{
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unsigned char i, j;
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uchar0 = 0;
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uchar1 = 0;
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for(i = 0; i < 3; i++) {
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uchar0++;
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for(j = 0; j < 4; j++) {
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uchar1++;
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dput(j);
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}
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}
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if(uchar0 != 3)
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failures++;
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if(uchar1 != 12)
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failures++;
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}
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/* neither loop variable used inside the loops */
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void for4(void)
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{
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unsigned char i, j;
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uchar0 = 0;
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uchar1 = 0;
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for(i = 0; i < 3; i++) {
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uchar0++;
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for(j = 0; j < 4; j++) {
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uchar1++;
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dput(uchar0);
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dput(uchar1);
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}
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}
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if(uchar0 != 3)
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failures++;
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if(uchar1 != 12)
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failures++;
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}
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/* like for1 but different condition in inner loop */
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void for5(void)
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{
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unsigned char i, j;
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uchar0 = 0;
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uchar1 = 0;
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for(i = 0; i < 3; i++) {
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uchar0++;
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for(j = 10; j >= 5; j--) {
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uchar1++;
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dput(i);
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dput(j);
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}
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}
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if(uchar0 != 3)
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failures++;
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if(uchar1 != 18)
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failures++;
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}
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int main(void)
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{
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for1();
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for2();
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for3();
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for4();
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for5();
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success = failures;
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done();
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printf("failures: %d\n",failures);
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return failures;
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}
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