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Remove YOSYS_NO_IDS_REFCNT

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Refcounting is hardly used at all so this option is not that useful.

We might want to have a different option that disables GC if that becomes
a performance issue, but that should be a different option.
This commit is contained in:
Robert O'Callahan 2025-11-14 01:52:22 +00:00
parent 7f9de6e48f
commit 4c8b537d71
2 changed files with 0 additions and 15 deletions
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6
kernel/rtlil.h
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@ -153,11 +153,9 @@ struct RTLIL::IdString
static std::unordered_map<int, const std::string*> global_autoidx_id_prefix_storage_;
// Explicit string storage for autoidx IDs
static std::unordered_map<int, char*> global_autoidx_id_storage_;
#ifndef YOSYS_NO_IDS_REFCNT
// All (index, refcount) pairs in this map have refcount > 0.
static std::unordered_map<int, int> global_refcount_storage_;
static std::vector<int> global_free_idx_list_;
#endif
static int refcount(int idx) {
auto it = global_refcount_storage_.find(idx);
@ -597,7 +595,6 @@ private:
}
static void get_reference(int idx)
{
#ifndef YOSYS_NO_IDS_REFCNT
if (idx < static_cast<short>(StaticId::STATIC_ID_END))
return;
auto it = global_refcount_storage_.find(idx);
@ -605,7 +602,6 @@ private:
global_refcount_storage_.insert(it, {idx, 1});
else
++it->second;
#endif
#ifdef YOSYS_XTRACE_GET_PUT
if (yosys_xtrace && idx >= static_cast<short>(StaticId::STATIC_ID_END))
log("#X# GET-BY-INDEX '%s' (index %d, refcount %u)\n", from_index(idx), idx, refcount(idx));
@ -614,7 +610,6 @@ private:
void put_reference()
{
#ifndef YOSYS_NO_IDS_REFCNT
// put_reference() may be called from destructors after the destructor of
// global_refcount_storage_ has been run. in this case we simply do nothing.
if (index_ < static_cast<short>(StaticId::STATIC_ID_END) || !destruct_guard_ok)
@ -628,7 +623,6 @@ private:
if (--it->second == 0) {
global_refcount_storage_.erase(it);
}
#endif
}
};