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authorAart Bik <ajcbik@google.com>2018-03-08 11:28:00 -0800
committerAart Bik <ajcbik@google.com>2018-03-15 09:49:18 -0700
commit29aa08219ff72409e9f10ae2a5da4e6e604baad1 (patch)
tree2ccde97263f82b6a2f1a83d5b674f46c412c2909 /compiler/optimizing/loop_optimization.h
parent8e68c6c85ad188e306cd66f8b620350f996fe242 (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.h6
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,