diff options
| author | Shalini Salomi Bodapati <shalini.salomi.bodapati@intel.com> | 2019-10-15 15:16:22 +0530 |
|---|---|---|
| committer | Vladimir Marko <vmarko@google.com> | 2019-10-23 10:37:54 +0000 |
| commit | 4b7caeee57767f6bce7bb138a1299c0ae84bebf9 (patch) | |
| tree | 7d744af39f9b09108e9ba81a85023a79a46f9853 /compiler/optimizing/loop_optimization.cc | |
| parent | 3981da539bdf249da2be5c4c9dbc4ee59e64d332 (diff) | |
Implement Dot Product Vectorization for x86
8% improvement in microbench for integral data types
Test: ./test.py --host --64
Change-Id: I26b584f29d677283195c69b68650651368c656d1
Signed-off-by: Shalini Salomi Bodapati <shalini.salomi.bodapati@intel.com>
Diffstat (limited to 'compiler/optimizing/loop_optimization.cc')
| -rw-r--r-- | compiler/optimizing/loop_optimization.cc | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/compiler/optimizing/loop_optimization.cc b/compiler/optimizing/loop_optimization.cc index 9c4e9d25f7..567a41e2fd 100644 --- a/compiler/optimizing/loop_optimization.cc +++ b/compiler/optimizing/loop_optimization.cc @@ -1623,14 +1623,20 @@ bool HLoopOptimization::TrySetVectorType(DataType::Type type, uint64_t* restrict kNoDotProd; return TrySetVectorLength(16); case DataType::Type::kUint16: - case DataType::Type::kInt16: *restrictions |= kNoDiv | kNoAbs | kNoSignedHAdd | kNoUnroundedHAdd | - kNoSAD| + kNoSAD | kNoDotProd; return TrySetVectorLength(8); + case DataType::Type::kInt16: + *restrictions |= kNoDiv | + kNoAbs | + kNoSignedHAdd | + kNoUnroundedHAdd | + kNoSAD; + return TrySetVectorLength(8); case DataType::Type::kInt32: *restrictions |= kNoDiv | kNoSAD; return TrySetVectorLength(4); @@ -2166,7 +2172,7 @@ bool HLoopOptimization::VectorizeDotProdIdiom(LoopNode* node, bool generate_code, DataType::Type reduction_type, uint64_t restrictions) { - if (!instruction->IsAdd() || (reduction_type != DataType::Type::kInt32)) { + if (!instruction->IsAdd() || reduction_type != DataType::Type::kInt32) { return false; } |