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| author | Artem Serov <artem.serov@linaro.org> | 2017-10-05 16:48:30 +0100 |
|---|---|---|
| committer | Artem Serov <artem.serov@linaro.org> | 2017-10-12 18:04:48 +0100 |
| commit | 6e9b137f0439b3ceedb8114bd93fa9fb746e42fa (patch) | |
| tree | 1fc138f4f0727fe4e78141fb2979c665d1fe157b /compiler/optimizing/loop_optimization.cc | |
| parent | 4c3682649ebcaef4ab237f523f8e39ebd65e4f8d (diff) | |
| download | art-6e9b137f0439b3ceedb8114bd93fa9fb746e42fa.tar.gz art-6e9b137f0439b3ceedb8114bd93fa9fb746e42fa.tar.bz2 art-6e9b137f0439b3ceedb8114bd93fa9fb746e42fa.zip | |
ARM: Support SIMD reduction for 32-bit backend.
Support SIMD reduction (add, min, max) and SAD (for int->int only)
idioms for arm (32-bit) backend.
Test: test-art-target, test-art-host
Test: 661-checker-simd-reduc, 660-checker-simd-sad-int
Change-Id: Ic6121f5d781a9bcedc33041b6c4ecafad9b0420a
Diffstat (limited to 'compiler/optimizing/loop_optimization.cc')
| -rw-r--r-- | compiler/optimizing/loop_optimization.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler/optimizing/loop_optimization.cc b/compiler/optimizing/loop_optimization.cc index d87861bde0..645915e2f8 100644 --- a/compiler/optimizing/loop_optimization.cc +++ b/compiler/optimizing/loop_optimization.cc @@ -1359,7 +1359,7 @@ bool HLoopOptimization::TrySetVectorType(DataType::Type type, uint64_t* restrict *restrictions |= kNoDiv | kNoStringCharAt | kNoReduction; return TrySetVectorLength(4); case DataType::Type::kInt32: - *restrictions |= kNoDiv | kNoReduction; + *restrictions |= kNoDiv | kNoWideSAD; return TrySetVectorLength(2); default: break; @@ -1968,7 +1968,9 @@ bool HLoopOptimization::VectorizeSADIdiom(LoopNode* node, return false; } // Try same/narrower type and deal with vector restrictions. - if (!TrySetVectorType(sub_type, &restrictions) || HasVectorRestrictions(restrictions, kNoSAD)) { + if (!TrySetVectorType(sub_type, &restrictions) || + HasVectorRestrictions(restrictions, kNoSAD) || + (reduction_type != sub_type && HasVectorRestrictions(restrictions, kNoWideSAD))) { return false; } // Accept SAD idiom for vectorizable operands. Vectorized code uses the shorthand |