diff options
Diffstat (limited to 'absl/container')
| -rw-r--r-- | absl/container/internal/raw_hash_set.cc | 6 | ||||
| -rw-r--r-- | absl/container/internal/raw_hash_set.h | 8 |
2 files changed, 8 insertions, 6 deletions
diff --git a/absl/container/internal/raw_hash_set.cc b/absl/container/internal/raw_hash_set.cc index a5dee6aa..e219956f 100644 --- a/absl/container/internal/raw_hash_set.cc +++ b/absl/container/internal/raw_hash_set.cc @@ -23,6 +23,12 @@ namespace absl { ABSL_NAMESPACE_BEGIN namespace container_internal { +ABSL_CONST_INIT ABSL_DLL alignas(16) const ctrl_t kEmptyGroup[16] = { + ctrl_t::kSentinel, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, + ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, + ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, + ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty}; + constexpr size_t Group::kWidth; // Returns "random" seed. diff --git a/absl/container/internal/raw_hash_set.h b/absl/container/internal/raw_hash_set.h index d7783263..bafafd46 100644 --- a/absl/container/internal/raw_hash_set.h +++ b/absl/container/internal/raw_hash_set.h @@ -291,13 +291,9 @@ static_assert(ctrl_t::kDeleted == static_cast<ctrl_t>(-2), // A single block of empty control bytes for tables without any slots allocated. // This enables removing a branch in the hot path of find(). +ABSL_DLL extern const ctrl_t kEmptyGroup[16]; inline ctrl_t* EmptyGroup() { - alignas(16) static constexpr ctrl_t empty_group[] = { - ctrl_t::kSentinel, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, - ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, - ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, - ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty, ctrl_t::kEmpty}; - return const_cast<ctrl_t*>(empty_group); + return const_cast<ctrl_t*>(kEmptyGroup); } // Mixes a randomly generated per-process seed with `hash` and `ctrl` to |