/*-----------------------------------------------------------------*/
static void
addSuccessor (eBBlock * thisBlock, eBBlock * succ)
{
/* check for boundary conditions */
if (!thisBlock || !succ)
return;
/* add it to the succ of thisBlock */
addSetIfnotP (&thisBlock->succList, succ);
thisBlock->succVect =
bitVectSetBit (thisBlock->succVect, succ->bbnum);
/* add this edge to the list of edges */
addSet (&graphEdges, newEdge (thisBlock, succ));
}
/*-----------------------------------------------------------------*
* void pCodeRegMapLiveRangesInFlow(pCodeFlow *pcfl)
*-----------------------------------------------------------------*/
static void pCodeRegMapLiveRangesInFlow(pCodeFlow *pcfl)
{
pCode *pc=NULL;
pCode *pcprev=NULL;
regs *reg;
if(!pcfl)
return;
pc = pic16_findNextInstruction(pcfl->pc.next);
while(pic16_isPCinFlow(pc,PCODE(pcfl))) {
reg = pic16_getRegFromInstruction(pc);
if(reg && (reg->type != REG_TMP)) {
#if 0
fprintf(stderr, "reg= %p\n", reg);
fprintf(stderr, "flow seq %d, inst seq %d %s ",PCODE(pcfl)->seq,pc->seq,reg->name);
fprintf(stderr, "addr = 0x%03x, type = %d rIdx=0x%03x ",
reg->address,reg->type,reg->rIdx);
fprintf(stderr, "command = %s\n", PCI(pc)->mnemonic);
#endif
// fprintf(stderr, "%s:%d: trying to get first operand from pCode reg= %s\n", __FILE__, __LINE__, reg->name);
addSetIfnotP(& (PCFL(pcfl)->registers), reg);
if((PCC_REGISTER | PCC_LITERAL) & PCI(pc)->inCond)
addSetIfnotP(& (reg->reglives.usedpFlows), pcfl);
if(PCC_REGISTER & PCI(pc)->outCond)
addSetIfnotP(& (reg->reglives.assignedpFlows), pcfl);
addSetIfnotP(& (reg->reglives.usedpCodes), pc);
// reg->wasUsed=1;
#if 1
/* check to see if this pCode has 2 memory operands,
and set up the second operand too */
if(PCI(pc)->is2MemOp) {
reg = pic16_getRegFromInstruction2(pc);
if(reg) {
// fprintf(stderr, "%s:%d: trying to get second operand from pCode reg= %s\n", __FILE__, __LINE__, reg->name);
addSetIfnotP(& (PCFL(pcfl)->registers), reg);
if((PCC_REGISTER | PCC_LITERAL) & PCI(pc)->inCond)
addSetIfnotP(& (reg->reglives.usedpFlows), pcfl);
if((PCC_REGISTER | PCC_REGISTER2) & PCI(pc)->outCond)
addSetIfnotP(& (reg->reglives.assignedpFlows), pcfl);
addSetIfnotP(& (reg->reglives.usedpCodes), pc);
// reg->wasUsed=1;
}
}
#endif
}
pcprev = pc;
pc = pic16_findNextInstruction(pc->next);
}
}
