diff options
| -rw-r--r-- | backends/cxxrtl/cxxrtl.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/backends/cxxrtl/cxxrtl.h b/backends/cxxrtl/cxxrtl.h index b79bbbc72..701510b7f 100644 --- a/backends/cxxrtl/cxxrtl.h +++ b/backends/cxxrtl/cxxrtl.h @@ -641,13 +641,15 @@ struct memory { void update(size_t index, const value<Width> &val, const value<Width> &mask, int priority = 0) { assert(index < data.size()); - write_queue.emplace_back(write { index, val, mask, priority }); + // Queue up the write while keeping the queue sorted by priority. + write_queue.insert( + std::upper_bound(write_queue.begin(), write_queue.end(), priority, + [](const int a, const write& b) { return a < b.priority; }), + write { index, val, mask, priority }); } bool commit() { bool changed = false; - std::sort(write_queue.begin(), write_queue.end(), - [](const write &a, const write &b) { return a.priority < b.priority; }); for (const write &entry : write_queue) { value<Width> elem = data[entry.index]; elem = elem.update(entry.val, entry.mask); |