diff options
| author | Henning Baldersheim <balder@yahoo-inc.com> | 2020-06-09 09:08:56 +0000 |
|---|---|---|
| committer | Henning Baldersheim <balder@yahoo-inc.com> | 2020-06-09 09:08:56 +0000 |
| commit | 4e90b78dd51b7d7387b9a8ccd2c2036f78dd65c5 (patch) | |
| tree | 28edaadb755989b8df6aa792a6aaa0bc8cb9423a /vespalib | |
| parent | bebe03c7b970744d09eb26f7383da4f8c1244a36 (diff) | |
Add static_assert for sanity of template arguments.
Diffstat (limited to 'vespalib')
| -rw-r--r-- | vespalib/src/vespa/vespalib/hwaccelrated/private_helpers.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/vespalib/src/vespa/vespalib/hwaccelrated/private_helpers.hpp b/vespalib/src/vespa/vespalib/hwaccelrated/private_helpers.hpp index 6fc49f969f2..65b4c717681 100644 --- a/vespalib/src/vespa/vespalib/hwaccelrated/private_helpers.hpp +++ b/vespalib/src/vespa/vespalib/hwaccelrated/private_helpers.hpp @@ -40,6 +40,8 @@ template<unsigned ChunkSize, unsigned Chunks> void andChunks(size_t offset, const std::vector<std::pair<const void *, bool>> & src, void * dest) { typedef uint64_t Chunk __attribute__ ((vector_size (ChunkSize))); + static_assert(sizeof(Chunk) == ChunkSize, "sizeof(Chunk) == ChunkSize"); + static_assert(ChunkSize*Chunks == 64, "ChunkSize*Chunks == 64"); Chunk * chunk = static_cast<Chunk *>(dest); const Chunk * tmp = cast<Chunk>(src[0].first, offset); for (size_t n=0; n < Chunks; n++) { @@ -57,6 +59,8 @@ template<unsigned ChunkSize, unsigned Chunks> void orChunks(size_t offset, const std::vector<std::pair<const void *, bool>> & src, void * dest) { typedef uint64_t Chunk __attribute__ ((vector_size (ChunkSize))); + static_assert(sizeof(Chunk) == ChunkSize, "sizeof(Chunk) == ChunkSize"); + static_assert(ChunkSize*Chunks == 64, "ChunkSize*Chunks == 64"); Chunk * chunk = static_cast<Chunk *>(dest); const Chunk * tmp = cast<Chunk>(src[0].first, offset); for (size_t n=0; n < Chunks; n++) { |