diff options
Diffstat (limited to 'compiler/optimizing/loop_optimization.h')
| -rw-r--r-- | compiler/optimizing/loop_optimization.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/compiler/optimizing/loop_optimization.h b/compiler/optimizing/loop_optimization.h index d8f50aab28..4a7da86e32 100644 --- a/compiler/optimizing/loop_optimization.h +++ b/compiler/optimizing/loop_optimization.h @@ -62,13 +62,15 @@ class HLoopOptimization : public HOptimization { * Vectorization restrictions (bit mask). */ enum VectorRestrictions { - kNone = 0, // no restrictions - kNoMul = 1, // no multiplication - kNoDiv = 2, // no division - kNoShift = 4, // no shift - kNoShr = 8, // no arithmetic shift right - kNoHiBits = 16, // "wider" operations cannot bring in higher order bits - kNoAbs = 32, // no absolute value + kNone = 0, // no restrictions + kNoMul = 1, // no multiplication + kNoDiv = 2, // no division + kNoShift = 4, // no shift + kNoShr = 8, // no arithmetic shift right + kNoHiBits = 16, // "wider" operations cannot bring in higher order bits + kNoSignedHAdd = 32, // no signed halving add + kNoUnroundedHAdd = 64, // no unrounded halving add + kNoAbs = 128, // no absolute value }; /* @@ -136,6 +138,13 @@ class HLoopOptimization : public HOptimization { Primitive::Type type); void GenerateVecOp(HInstruction* org, HInstruction* opa, HInstruction* opb, Primitive::Type type); + // Vectorization idioms. + bool VectorizeHalvingAddIdiom(LoopNode* node, + HInstruction* instruction, + bool generate_code, + Primitive::Type type, + uint64_t restrictions); + // Helpers. bool TrySetPhiInduction(HPhi* phi, bool restrict_uses); bool TrySetSimpleLoopHeader(HBasicBlock* block); |