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SigSpec refactoring: cleanup of old SigSpec usage in fsm_* commands

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This commit is contained in:
Clifford Wolf 2014-07-22 23:07:42 +02:00
parent 65a939cb27
commit 4a6d234ec7
3 changed files with 19 additions and 38 deletions
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12
passes/fsm/fsm_opt.cc
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@ -33,18 +33,14 @@ struct FsmOpt
bool signal_is_unused(RTLIL::SigSpec sig)
{
assert(sig.size() == 1);
sig.optimize();
RTLIL::SigBit bit = sig.to_single_sigbit();
RTLIL::Wire *wire = sig.chunks()[0].wire;
int bit = sig.chunks()[0].offset;
if (!wire || wire->attributes.count("\\unused_bits") == 0)
if (bit.wire == NULL || bit.wire->attributes.count("\\unused_bits") == 0)
return false;
char *str = strdup(wire->attributes["\\unused_bits"].decode_string().c_str());
char *str = strdup(bit.wire->attributes["\\unused_bits"].decode_string().c_str());
for (char *tok = strtok(str, " "); tok != NULL; tok = strtok(NULL, " ")) {
if (tok[0] && bit == atoi(tok)) {
if (tok[0] && bit.offset == atoi(tok)) {
free(str);
return true;
}