static void RemoveRegFromLRBlock(regs *reg)
{
if(elementsInSet(reg->reglives.usedpCodes) == 2) {
pCode *pc1;
/* only continue if there are just 2 uses of the register,
* in in the local *entry* block and one in the local *exit* block */
/* search for entry block */
pc1 = indexSet(reg->reglives.usedpCodes, 1);
if(insideLRBlock( pc1 )) {
fprintf(stderr, "usedpCodes[0] inside LR block\n");
deleteSetItem(&pc1->pb->tregisters, PCOR(PCI(pc1)->pcop)->r);
Remove1pcode(pc1, reg);
}
pc1 = indexSet(reg->reglives.usedpCodes, 0);
if(insideLRBlock( pc1 )) {
fprintf(stderr, "usedpCodes[1] inside LR block\n");
deleteSetItem(&pc1->pb->tregisters, PCOR(PCI(pc1)->pcop)->r);
Remove1pcode(pc1, reg);
}
/* remove r0x00 */
reg->isFree = 1;
reg->wasUsed = 0;
}
}
void orangeLedOn(void) {
PCOR(LED_ORANGE_PORT) = (1<<LED_ORANGE_NUM);
}
void redLedOn(void) {
PCOR(LED_RED_PORT) = (1<<LED_RED_NUM);
}
void blueLedOn(void) {
PCOR(LED_BLUE_PORT) = (1<<LED_BLUE_NUM);
}
void greenLedOn(void) {
PCOR(LED_GREEN_PORT) = (1<<LED_GREEN_NUM);
}