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Unified Diff: src/compiler/simd-scalar-lowering.h

Issue 2843523002: [wasm] Implement simd lowering for I16x8 (Closed)
Patch Set: [wasm] Implement simd lowering for I16x8 Created 3 years, 8 months ago
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Index: src/compiler/simd-scalar-lowering.h
diff --git a/src/compiler/simd-scalar-lowering.h b/src/compiler/simd-scalar-lowering.h
index 70186fdf11d4283868f8215bbab12e4908428493..77f802a969a73fd6accf489e45e7436bdf5e2860 100644
--- a/src/compiler/simd-scalar-lowering.h
+++ b/src/compiler/simd-scalar-lowering.h
@@ -28,14 +28,23 @@ class SimdScalarLowering {
private:
enum class State : uint8_t { kUnvisited, kOnStack, kVisited };
- enum class SimdType : uint8_t { kInt32, kFloat32, kSimd1x4 };
+ enum class SimdType : uint8_t {
+ kInt32,
+ kFloat32,
+ kSimd1x4,
+ kInt16,
+ kSimd1x8
gdeepti 2017/04/25 20:29:58 Perhaps maintain the same ordering for ops as in i
aseemgarg 2017/04/26 23:02:01 Done.
+ };
- static const int kMaxLanes = 4;
- static const int kLaneWidth = 16 / kMaxLanes;
+ static const int kNumLanes32 = 4;
+ static const int kNumLanes16 = 8;
+ static const int32_t kMask16 = 0xffff;
+ static const int32_t kShift16 = 16;
struct Replacement {
- Node* node[kMaxLanes];
- SimdType type; // represents what input type is expected
+ Node** node;
+ SimdType type; // represents output type
+ int num_replacements;
};
struct NodeState {
@@ -52,24 +61,37 @@ class SimdScalarLowering {
void LowerNode(Node* node);
bool DefaultLowering(Node* node);
- void ReplaceNode(Node* old, Node** new_nodes);
+ int NumLanes(SimdType type);
+ void ReplaceNode(Node* old, Node** new_nodes, int count);
bool HasReplacement(size_t index, Node* node);
Node** GetReplacements(Node* node);
+ int ReplacementCount(Node* node);
+ void Float32ToInt32(Node** replacements, Node** result);
+ void Int32ToFloat32(Node** replacements, Node** result);
+ void Int32ToInt16(Node** replacements, Node** result);
+ void Int16ToInt32(Node** replacements, Node** result);
Node** GetReplacementsWithType(Node* node, SimdType type);
SimdType ReplacementType(Node* node);
void PreparePhiReplacement(Node* phi);
void SetLoweredType(Node* node, Node* output);
- void GetIndexNodes(Node* index, Node** new_indices);
+ void GetIndexNodes(Node* index, Node** new_indices, SimdType type);
void LowerLoadOp(MachineRepresentation rep, Node* node,
- const Operator* load_op);
+ const Operator* load_op, SimdType type);
void LowerStoreOp(MachineRepresentation rep, Node* node,
const Operator* store_op, SimdType rep_type);
void LowerBinaryOp(Node* node, SimdType input_rep_type, const Operator* op,
bool invert_inputs = false);
+ Node* FixUpperBits(Node* input, int32_t shift);
+ void LowerBinaryOpForSmallInt(Node* node, SimdType input_rep_type,
+ const Operator* op);
+ Node* Mask(Node* input, int32_t mask);
+ void LowerSaturateBinaryOp(Node* node, SimdType input_rep_type,
+ const Operator* op, bool is_signed);
void LowerUnaryOp(Node* node, SimdType input_rep_type, const Operator* op);
- void LowerIntMinMax(Node* node, const Operator* op, bool is_max);
+ void LowerIntMinMax(Node* node, const Operator* op, bool is_max,
+ SimdType type);
void LowerConvertFromFloat(Node* node, bool is_signed);
- void LowerShiftOp(Node* node, const Operator* op);
+ void LowerShiftOp(Node* node, SimdType type);
Node* BuildF64Trunc(Node* input);
void LowerNotEqual(Node* node, SimdType input_rep_type, const Operator* op);
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