diff options
author | Aart Bik <ajcbik@google.com> | 2018-03-08 11:28:00 -0800 |
---|---|---|
committer | Aart Bik <ajcbik@google.com> | 2018-03-15 09:49:18 -0700 |
commit | 29aa08219ff72409e9f10ae2a5da4e6e604baad1 (patch) | |
tree | 2ccde97263f82b6a2f1a83d5b674f46c412c2909 /compiler/optimizing/loop_optimization.h | |
parent | 8e68c6c85ad188e306cd66f8b620350f996fe242 (diff) |
Vectorization of saturation arithmetic.
Rationale:
Because faster is better.
Bug: b/74026074
Test: test-art-host,target
Change-Id: Ifa970a62cef1c0b8bb1c593f629d8c724f1ffe0e
Diffstat (limited to 'compiler/optimizing/loop_optimization.h')
-rw-r--r-- | compiler/optimizing/loop_optimization.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/optimizing/loop_optimization.h b/compiler/optimizing/loop_optimization.h index a707ad1358..9414e5a0c6 100644 --- a/compiler/optimizing/loop_optimization.h +++ b/compiler/optimizing/loop_optimization.h @@ -80,6 +80,7 @@ class HLoopOptimization : public HOptimization { kNoReduction = 1 << 10, // no reduction kNoSAD = 1 << 11, // no sum of absolute differences (SAD) kNoWideSAD = 1 << 12, // no sum of absolute differences (SAD) with operand widening + kNoSaturation = 1 << 13, // no saturation arithmetic }; /* @@ -177,6 +178,11 @@ class HLoopOptimization : public HOptimization { bool is_unsigned = false); // Vectorization idioms. + bool VectorizeSaturationIdiom(LoopNode* node, + HInstruction* instruction, + bool generate_code, + DataType::Type type, + uint64_t restrictions); bool VectorizeHalvingAddIdiom(LoopNode* node, HInstruction* instruction, bool generate_code, |