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| 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 #include "src/assembler.h" |
| 8 #include "src/compiler/js-graph.h" |
| 9 #include "src/compiler/linkage.h" |
| 10 #include "src/compiler/machine-operator.h" |
| 11 #include "src/compiler/operator-properties.h" |
| 12 #include "src/compiler/simplified-operator.h" |
| 13 |
| 14 namespace v8 { |
| 15 namespace internal { |
| 16 namespace compiler { |
| 17 |
| 18 SimdLowering::~SimdLowering() {} |
| 19 |
| 20 Reduction SimdLowering::Reduce(Node* node) { |
| 21 // For now lower everything to runtime calls. |
| 22 switch (node->opcode()) { |
| 23 case IrOpcode::kCreateInt32x4: { |
| 24 static const Conversion signature[] = { |
| 25 Conversion::kOpaque, Conversion::kInt32, Conversion::kInt32, |
| 26 Conversion::kInt32, Conversion::kInt32}; |
| 27 return Replace(builder_->ChangeToRuntimeCall( |
| 28 node, Runtime::kCreateInt32x4, signature)); |
| 29 } |
| 30 case IrOpcode::kCreateInt16x8: { |
| 31 static const Conversion signature[] = { |
| 32 Conversion::kOpaque, Conversion::kInt32, Conversion::kInt32, |
| 33 Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
| 34 Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
| 35 }; |
| 36 return Replace(builder_->ChangeToRuntimeCall( |
| 37 node, Runtime::kCreateInt16x8, signature)); |
| 38 } |
| 39 case IrOpcode::kCreateInt8x16: { |
| 40 static const Conversion signature[] = { |
| 41 Conversion::kOpaque, Conversion::kInt32, Conversion::kInt32, |
| 42 Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
| 43 Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
| 44 Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
| 45 Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
| 46 Conversion::kInt32, Conversion::kInt32, |
| 47 }; |
| 48 return Replace(builder_->ChangeToRuntimeCall( |
| 49 node, Runtime::kCreateInt8x16, signature)); |
| 50 } |
| 51 case IrOpcode::kCreateFloat32x4: { |
| 52 static const Conversion signature[] = { |
| 53 Conversion::kOpaque, Conversion::kFloat32, Conversion::kFloat32, |
| 54 Conversion::kFloat32, Conversion::kFloat32}; |
| 55 return Replace(builder_->ChangeToRuntimeCall( |
| 56 node, Runtime::kCreateFloat32x4, signature)); |
| 57 } |
| 58 case IrOpcode::kInt8x16ExtractLane: |
| 59 case IrOpcode::kInt16x8ExtractLane: |
| 60 case IrOpcode::kInt32x4ExtractLane: { |
| 61 static const Conversion signature[] = { |
| 62 Conversion::kInt32, Conversion::kOpaque, Conversion::kInt32}; |
| 63 return Replace(builder_->ChangeToRuntimeCall( |
| 64 node, Runtime::kInt32x4ExtractLane, signature)); |
| 65 } |
| 66 case IrOpcode::kFloat32x4ExtractLane: { |
| 67 static const Conversion signature[] = { |
| 68 Conversion::kFloat32, Conversion::kOpaque, Conversion::kInt32}; |
| 69 return Replace(builder_->ChangeToRuntimeCall( |
| 70 node, Runtime::kFloat32x4ExtractLane, signature)); |
| 71 } |
| 72 default: { break; } |
| 73 } |
| 74 |
| 75 // TODO(gdeepti): Implement and test. |
| 76 // Assume the others are all just simd in and out. |
| 77 Conversion signature[17] = { |
| 78 Conversion::kNone, Conversion::kNone, Conversion::kNone, |
| 79 Conversion::kNone, Conversion::kNone, Conversion::kNone, |
| 80 Conversion::kNone, Conversion::kNone, Conversion::kNone, |
| 81 Conversion::kNone, Conversion::kNone, Conversion::kNone, |
| 82 Conversion::kNone, Conversion::kNone, Conversion::kNone, |
| 83 Conversion::kNone, Conversion::kNone, |
| 84 }; |
| 85 switch (node->opcode()) { |
| 86 #define F(Opcode) \ |
| 87 case IrOpcode::k##Opcode: { \ |
| 88 return Replace( \ |
| 89 builder_->ChangeToRuntimeCall(node, Runtime::k##Opcode, signature)); \ |
| 90 } |
| 91 MACHINE_SIMD_RETURN_SIMD_OP_LIST(F) |
| 92 MACHINE_SIMD_RETURN_BOOL_OP_LIST(F) |
| 93 #undef F |
| 94 default: { return NoChange(); } |
| 95 } |
| 96 UNREACHABLE(); |
| 97 return NoChange(); |
| 98 } |
| 99 |
| 100 } // namespace compiler |
| 101 } // namespace internal |
| 102 } // namespace v8 |
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