| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2016 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "src/compiler/simd-lowering.h" | |
| 6 | |
| 7 namespace v8 { | |
| 8 namespace internal { | |
| 9 namespace compiler { | |
| 10 | |
| 11 static ConversionSignature* SigCreateInt32x4; | |
| 12 static ConversionSignature* SigCreateFloat32x4; | |
| 13 static ConversionSignature* SigCreateInt16x8; | |
| 14 static ConversionSignature* SigCreateInt8x16; | |
| 15 static ConversionSignature* SigExtractLaneInt; | |
| 16 static ConversionSignature* SigExtractLaneFloat; | |
| 17 static ConversionSignature* SigDefault; | |
| 18 | |
| 19 SimdLowering::~SimdLowering() {} | |
| 20 | |
| 21 void SimdLowering::InitializeSignatures() { | |
| 22 // Initialize signatures for runtime calls | |
| 23 const int kReturnCount = 1; | |
| 24 const int kBinop = 2; | |
| 25 const int kSimd32x4 = 4; | |
| 26 const int kSimd16x8 = 8; | |
| 27 const int kSimd8x16 = 16; | |
| 28 | |
| 29 ConversionSignature::Builder CreateInt32x4Builder(zone_, kReturnCount, | |
| 30 kSimd32x4); | |
| 31 ConversionSignature::Builder CreateFloat32x4Builder(zone_, kReturnCount, | |
| 32 kSimd32x4); | |
| 33 ConversionSignature::Builder CreateInt16x8Builder(zone_, kReturnCount, | |
| 34 kSimd16x8); | |
| 35 ConversionSignature::Builder CreateInt8x16Builder(zone_, kReturnCount, | |
| 36 kSimd8x16); | |
| 37 ConversionSignature::Builder ExtractLaneIntBuilder(zone_, kReturnCount, | |
| 38 kBinop); | |
| 39 ConversionSignature::Builder ExtractLaneFloatBuilder(zone_, kReturnCount, | |
| 40 kBinop); | |
| 41 ConversionSignature::Builder DefaultBuilder(zone_, kReturnCount, kSimd8x16); | |
| 42 | |
| 43 // Initialize Signatures for create functions | |
| 44 for (int i = 0; i < kSimd32x4; i++) { | |
| 45 CreateInt32x4Builder.AddParam(Conversion::kInt32); | |
| 46 CreateFloat32x4Builder.AddParam(Conversion::kFloat32); | |
| 47 } | |
| 48 CreateInt32x4Builder.AddReturn(Conversion::kOpaque); | |
| 49 SigCreateInt32x4 = CreateInt32x4Builder.Build(); | |
| 50 | |
| 51 CreateFloat32x4Builder.AddReturn(Conversion::kOpaque); | |
| 52 SigCreateFloat32x4 = CreateFloat32x4Builder.Build(); | |
| 53 | |
| 54 for (int i = 0; i < kSimd16x8; i++) { | |
| 55 CreateInt16x8Builder.AddParam(Conversion::kInt32); | |
| 56 } | |
| 57 CreateInt16x8Builder.AddReturn(Conversion::kOpaque); | |
| 58 SigCreateInt16x8 = CreateInt16x8Builder.Build(); | |
| 59 | |
| 60 for (int i = 0; i < kSimd8x16; i++) { | |
| 61 CreateInt8x16Builder.AddParam(Conversion::kInt32); | |
| 62 } | |
| 63 CreateInt8x16Builder.AddReturn(Conversion::kOpaque); | |
| 64 SigCreateInt8x16 = CreateInt8x16Builder.Build(); | |
| 65 | |
| 66 // Initialize signatures for ExtractLane functions | |
| 67 ExtractLaneIntBuilder.AddParam(Conversion::kOpaque); | |
| 68 ExtractLaneIntBuilder.AddParam(Conversion::kInt32); | |
| 69 ExtractLaneIntBuilder.AddReturn(Conversion::kInt32); | |
| 70 SigExtractLaneInt = ExtractLaneIntBuilder.Build(); | |
| 71 | |
| 72 ExtractLaneFloatBuilder.AddParam(Conversion::kOpaque); | |
| 73 ExtractLaneFloatBuilder.AddParam(Conversion::kFloat32); | |
| 74 ExtractLaneFloatBuilder.AddReturn(Conversion::kFloat32); | |
| 75 SigExtractLaneFloat = ExtractLaneFloatBuilder.Build(); | |
| 76 | |
| 77 // Initialize default signature. | |
| 78 for (int i = 0; i < kSimd8x16; i++) { | |
| 79 DefaultBuilder.AddParam(Conversion::kNone); | |
| 80 } | |
| 81 DefaultBuilder.AddReturn(Conversion::kNone); | |
| 82 SigDefault = DefaultBuilder.Build(); | |
| 83 } | |
| 84 | |
| 85 Reduction SimdLowering::Reduce(Node* node) { | |
| 86 // For now lower everything to runtime calls. | |
| 87 switch (node->opcode()) { | |
| 88 case IrOpcode::kCreateInt32x4: { | |
| 89 return Replace(builder_->ChangeToRuntimeCall( | |
| 90 node, Runtime::kCreateInt32x4, SigCreateInt32x4)); | |
| 91 } | |
| 92 case IrOpcode::kCreateInt16x8: { | |
| 93 return Replace(builder_->ChangeToRuntimeCall( | |
| 94 node, Runtime::kCreateInt16x8, SigCreateInt16x8)); | |
| 95 } | |
| 96 case IrOpcode::kCreateInt8x16: { | |
| 97 return Replace(builder_->ChangeToRuntimeCall( | |
| 98 node, Runtime::kCreateInt8x16, SigCreateInt8x16)); | |
| 99 } | |
| 100 case IrOpcode::kCreateFloat32x4: { | |
| 101 return Replace(builder_->ChangeToRuntimeCall( | |
| 102 node, Runtime::kCreateFloat32x4, SigCreateFloat32x4)); | |
| 103 } | |
| 104 case IrOpcode::kInt8x16ExtractLane: | |
| 105 case IrOpcode::kInt16x8ExtractLane: | |
| 106 case IrOpcode::kInt32x4ExtractLane: { | |
| 107 return Replace(builder_->ChangeToRuntimeCall( | |
| 108 node, Runtime::kInt32x4ExtractLane, SigExtractLaneInt)); | |
| 109 } | |
| 110 case IrOpcode::kFloat32x4ExtractLane: { | |
| 111 return Replace(builder_->ChangeToRuntimeCall( | |
| 112 node, Runtime::kFloat32x4ExtractLane, SigExtractLaneFloat)); | |
| 113 } | |
| 114 default: { break; } | |
| 115 } | |
| 116 | |
| 117 // TODO(gdeepti): Implement and test. | |
| 118 // Assume the others are all just simd in and out. | |
| 119 switch (node->opcode()) { | |
| 120 #define F(Opcode) \ | |
| 121 case IrOpcode::k##Opcode: { \ | |
| 122 return Replace( \ | |
| 123 builder_->ChangeToRuntimeCall(node, Runtime::k##Opcode, SigDefault)); \ | |
| 124 } | |
| 125 MACHINE_SIMD_RETURN_SIMD_OP_LIST(F) | |
| 126 MACHINE_SIMD_RETURN_BOOL_OP_LIST(F) | |
| 127 #undef F | |
| 128 default: { return NoChange(); } | |
| 129 } | |
| 130 UNREACHABLE(); | |
| 131 return NoChange(); | |
| 132 } | |
| 133 | |
| 134 } // namespace compiler | |
| 135 } // namespace internal | |
| 136 } // namespace v8 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2154723002:
Revert of Convert SIMD wasm ops to runtime function calls (Closed)
Base URL: https://chromium.googlesource.com/v8/v8.git@master