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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/wasm-compiler.h" | 5 #include "src/compiler/wasm-compiler.h" |
6 | 6 |
7 #include "src/isolate-inl.h" | 7 #include "src/isolate-inl.h" |
8 | 8 |
9 #include "src/base/platform/elapsed-timer.h" | 9 #include "src/base/platform/elapsed-timer.h" |
10 #include "src/base/platform/platform.h" | 10 #include "src/base/platform/platform.h" |
11 | 11 |
12 #include "src/compiler/access-builder.h" | 12 #include "src/compiler/access-builder.h" |
13 #include "src/compiler/common-operator.h" | 13 #include "src/compiler/common-operator.h" |
14 #include "src/compiler/diamond.h" | 14 #include "src/compiler/diamond.h" |
15 #include "src/compiler/graph-visualizer.h" | 15 #include "src/compiler/graph-visualizer.h" |
16 #include "src/compiler/graph.h" | 16 #include "src/compiler/graph.h" |
17 #include "src/compiler/instruction-selector.h" | 17 #include "src/compiler/instruction-selector.h" |
18 #include "src/compiler/int64-lowering.h" | 18 #include "src/compiler/int64-lowering.h" |
19 #include "src/compiler/js-generic-lowering.h" | 19 #include "src/compiler/js-generic-lowering.h" |
20 #include "src/compiler/js-graph.h" | 20 #include "src/compiler/js-graph.h" |
21 #include "src/compiler/js-operator.h" | 21 #include "src/compiler/js-operator.h" |
22 #include "src/compiler/linkage.h" | 22 #include "src/compiler/linkage.h" |
23 #include "src/compiler/machine-operator.h" | 23 #include "src/compiler/machine-operator.h" |
24 #include "src/compiler/node-matchers.h" | 24 #include "src/compiler/node-matchers.h" |
25 #include "src/compiler/pipeline.h" | 25 #include "src/compiler/pipeline.h" |
| 26 #include "src/compiler/simd-lowering.h" |
26 #include "src/compiler/source-position.h" | 27 #include "src/compiler/source-position.h" |
27 #include "src/compiler/zone-pool.h" | 28 #include "src/compiler/zone-pool.h" |
28 | 29 |
29 #include "src/code-factory.h" | 30 #include "src/code-factory.h" |
30 #include "src/code-stubs.h" | 31 #include "src/code-stubs.h" |
31 #include "src/factory.h" | 32 #include "src/factory.h" |
32 #include "src/log-inl.h" | 33 #include "src/log-inl.h" |
33 | 34 |
34 #include "src/wasm/ast-decoder.h" | 35 #include "src/wasm/ast-decoder.h" |
35 #include "src/wasm/wasm-module.h" | 36 #include "src/wasm/wasm-module.h" |
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604 case wasm::kExprF64Max: | 605 case wasm::kExprF64Max: |
605 return BuildF64Max(left, right); | 606 return BuildF64Max(left, right); |
606 case wasm::kExprF64Pow: | 607 case wasm::kExprF64Pow: |
607 op = m->Float64Pow(); | 608 op = m->Float64Pow(); |
608 break; | 609 break; |
609 case wasm::kExprF64Atan2: | 610 case wasm::kExprF64Atan2: |
610 op = m->Float64Atan2(); | 611 op = m->Float64Atan2(); |
611 break; | 612 break; |
612 case wasm::kExprF64Mod: | 613 case wasm::kExprF64Mod: |
613 return BuildF64Mod(left, right); | 614 return BuildF64Mod(left, right); |
| 615 case wasm::kExprI32x4ExtractLane: |
| 616 SetHasSimdOps(true); |
| 617 return graph()->NewNode(jsgraph()->machine()->Int32x4ExtractLane(), left, |
| 618 right); |
614 case wasm::kExprI32AsmjsDivS: | 619 case wasm::kExprI32AsmjsDivS: |
615 return BuildI32AsmjsDivS(left, right); | 620 return BuildI32AsmjsDivS(left, right); |
616 case wasm::kExprI32AsmjsDivU: | 621 case wasm::kExprI32AsmjsDivU: |
617 return BuildI32AsmjsDivU(left, right); | 622 return BuildI32AsmjsDivU(left, right); |
618 case wasm::kExprI32AsmjsRemS: | 623 case wasm::kExprI32AsmjsRemS: |
619 return BuildI32AsmjsRemS(left, right); | 624 return BuildI32AsmjsRemS(left, right); |
620 case wasm::kExprI32AsmjsRemU: | 625 case wasm::kExprI32AsmjsRemU: |
621 return BuildI32AsmjsRemU(left, right); | 626 return BuildI32AsmjsRemU(left, right); |
622 case wasm::kExprI32AsmjsStoreMem8: | 627 case wasm::kExprI32AsmjsStoreMem8: |
623 return BuildAsmjsStoreMem(MachineType::Int8(), left, right); | 628 return BuildAsmjsStoreMem(MachineType::Int8(), left, right); |
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877 case wasm::kExprI64SConvertF32: | 882 case wasm::kExprI64SConvertF32: |
878 return BuildI64SConvertF32(input, position); | 883 return BuildI64SConvertF32(input, position); |
879 case wasm::kExprI64SConvertF64: | 884 case wasm::kExprI64SConvertF64: |
880 return BuildI64SConvertF64(input, position); | 885 return BuildI64SConvertF64(input, position); |
881 case wasm::kExprI64UConvertF32: | 886 case wasm::kExprI64UConvertF32: |
882 return BuildI64UConvertF32(input, position); | 887 return BuildI64UConvertF32(input, position); |
883 case wasm::kExprI64UConvertF64: | 888 case wasm::kExprI64UConvertF64: |
884 return BuildI64UConvertF64(input, position); | 889 return BuildI64UConvertF64(input, position); |
885 case wasm::kExprGrowMemory: | 890 case wasm::kExprGrowMemory: |
886 return BuildGrowMemory(input); | 891 return BuildGrowMemory(input); |
| 892 case wasm::kExprI32x4Splat: |
| 893 SetHasSimdOps(true); |
| 894 return graph()->NewNode(jsgraph()->machine()->CreateInt32x4(), input, |
| 895 input, input, input); |
887 case wasm::kExprI32AsmjsLoadMem8S: | 896 case wasm::kExprI32AsmjsLoadMem8S: |
888 return BuildAsmjsLoadMem(MachineType::Int8(), input); | 897 return BuildAsmjsLoadMem(MachineType::Int8(), input); |
889 case wasm::kExprI32AsmjsLoadMem8U: | 898 case wasm::kExprI32AsmjsLoadMem8U: |
890 return BuildAsmjsLoadMem(MachineType::Uint8(), input); | 899 return BuildAsmjsLoadMem(MachineType::Uint8(), input); |
891 case wasm::kExprI32AsmjsLoadMem16S: | 900 case wasm::kExprI32AsmjsLoadMem16S: |
892 return BuildAsmjsLoadMem(MachineType::Int16(), input); | 901 return BuildAsmjsLoadMem(MachineType::Int16(), input); |
893 case wasm::kExprI32AsmjsLoadMem16U: | 902 case wasm::kExprI32AsmjsLoadMem16U: |
894 return BuildAsmjsLoadMem(MachineType::Uint16(), input); | 903 return BuildAsmjsLoadMem(MachineType::Uint16(), input); |
895 case wasm::kExprI32AsmjsLoadMem: | 904 case wasm::kExprI32AsmjsLoadMem: |
896 return BuildAsmjsLoadMem(MachineType::Int32(), input); | 905 return BuildAsmjsLoadMem(MachineType::Int32(), input); |
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2239 case wasm::kAstF64: | 2248 case wasm::kAstF64: |
2240 return BuildChangeFloat64ToTagged(node); | 2249 return BuildChangeFloat64ToTagged(node); |
2241 case wasm::kAstStmt: | 2250 case wasm::kAstStmt: |
2242 return jsgraph()->UndefinedConstant(); | 2251 return jsgraph()->UndefinedConstant(); |
2243 default: | 2252 default: |
2244 UNREACHABLE(); | 2253 UNREACHABLE(); |
2245 return nullptr; | 2254 return nullptr; |
2246 } | 2255 } |
2247 } | 2256 } |
2248 | 2257 |
| 2258 Node* WasmGraphBuilder::BuildChangeTaggedToInt32(Node* value) { |
| 2259 value = BuildChangeTaggedToFloat64(value); |
| 2260 value = graph()->NewNode(jsgraph()->machine()->ChangeFloat64ToInt32(), value); |
| 2261 return value; |
| 2262 } |
| 2263 |
2249 Node* WasmGraphBuilder::BuildJavaScriptToNumber(Node* node, Node* context, | 2264 Node* WasmGraphBuilder::BuildJavaScriptToNumber(Node* node, Node* context, |
2250 Node* effect, Node* control) { | 2265 Node* effect, Node* control) { |
2251 Callable callable = CodeFactory::ToNumber(jsgraph()->isolate()); | 2266 Callable callable = CodeFactory::ToNumber(jsgraph()->isolate()); |
2252 CallDescriptor* desc = Linkage::GetStubCallDescriptor( | 2267 CallDescriptor* desc = Linkage::GetStubCallDescriptor( |
2253 jsgraph()->isolate(), jsgraph()->zone(), callable.descriptor(), 0, | 2268 jsgraph()->isolate(), jsgraph()->zone(), callable.descriptor(), 0, |
2254 CallDescriptor::kNoFlags, Operator::kNoProperties); | 2269 CallDescriptor::kNoFlags, Operator::kNoProperties); |
2255 Node* stub_code = jsgraph()->HeapConstant(callable.code()); | 2270 Node* stub_code = jsgraph()->HeapConstant(callable.code()); |
2256 | 2271 |
2257 Node* result = graph()->NewNode(jsgraph()->common()->Call(desc), stub_code, | 2272 Node* result = graph()->NewNode(jsgraph()->common()->Call(desc), stub_code, |
2258 node, context, effect, control); | 2273 node, context, effect, control); |
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2675 if (!mem_size_) | 2690 if (!mem_size_) |
2676 mem_size_ = jsgraph()->RelocatableInt32Constant( | 2691 mem_size_ = jsgraph()->RelocatableInt32Constant( |
2677 size, RelocInfo::WASM_MEMORY_SIZE_REFERENCE); | 2692 size, RelocInfo::WASM_MEMORY_SIZE_REFERENCE); |
2678 return mem_size_; | 2693 return mem_size_; |
2679 } else { | 2694 } else { |
2680 return jsgraph()->RelocatableInt32Constant( | 2695 return jsgraph()->RelocatableInt32Constant( |
2681 size + offset, RelocInfo::WASM_MEMORY_SIZE_REFERENCE); | 2696 size + offset, RelocInfo::WASM_MEMORY_SIZE_REFERENCE); |
2682 } | 2697 } |
2683 } | 2698 } |
2684 | 2699 |
| 2700 Node* WasmGraphBuilder::DefaultS128Value() { |
| 2701 Node* zero = jsgraph()->Int32Constant(0); |
| 2702 return graph()->NewNode(jsgraph()->machine()->CreateInt32x4(), zero, zero, |
| 2703 zero, zero); |
| 2704 } |
| 2705 |
2685 Node* WasmGraphBuilder::FunctionTable() { | 2706 Node* WasmGraphBuilder::FunctionTable() { |
2686 DCHECK(module_ && module_->instance && | 2707 DCHECK(module_ && module_->instance && |
2687 !module_->instance->function_table.is_null()); | 2708 !module_->instance->function_table.is_null()); |
2688 if (!function_table_) { | 2709 if (!function_table_) { |
2689 function_table_ = HeapConstant(module_->instance->function_table); | 2710 function_table_ = HeapConstant(module_->instance->function_table); |
2690 } | 2711 } |
2691 return function_table_; | 2712 return function_table_; |
2692 } | 2713 } |
2693 | 2714 |
2694 Node* WasmGraphBuilder::LoadGlobal(uint32_t index) { | 2715 Node* WasmGraphBuilder::LoadGlobal(uint32_t index) { |
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3313 } | 3334 } |
3314 return nullptr; | 3335 return nullptr; |
3315 } | 3336 } |
3316 | 3337 |
3317 if (machine->Is32()) { | 3338 if (machine->Is32()) { |
3318 Int64Lowering r(graph, machine, common, jsgraph_->zone(), function_->sig); | 3339 Int64Lowering r(graph, machine, common, jsgraph_->zone(), function_->sig); |
3319 r.LowerGraph(); | 3340 r.LowerGraph(); |
3320 } | 3341 } |
3321 | 3342 |
3322 int index = static_cast<int>(function_->func_index); | 3343 int index = static_cast<int>(function_->func_index); |
| 3344 |
| 3345 // Run lowering pass if SIMD ops are present in the function |
| 3346 if (builder.HasSimdOps()) { |
| 3347 SimdLowering simd(jsgraph_, &builder, module_env_->instance->context); |
| 3348 GraphReducer graph_reducer(jsgraph_->zone(), graph); |
| 3349 graph_reducer.AddReducer(&simd); |
| 3350 graph_reducer.ReduceGraph(); |
| 3351 |
| 3352 if (FLAG_trace_turbo_graph) { // Simple textual RPO. |
| 3353 OFStream os(stdout); |
| 3354 os << "-- Graph after simd lowering -- " << std::endl; |
| 3355 os << AsRPO(*graph); |
| 3356 } |
| 3357 } |
| 3358 |
3323 if (index >= FLAG_trace_wasm_ast_start && index < FLAG_trace_wasm_ast_end) { | 3359 if (index >= FLAG_trace_wasm_ast_start && index < FLAG_trace_wasm_ast_end) { |
3324 OFStream os(stdout); | 3360 OFStream os(stdout); |
3325 PrintAst(isolate_->allocator(), body, os, nullptr); | 3361 PrintAst(isolate_->allocator(), body, os, nullptr); |
3326 } | 3362 } |
3327 if (FLAG_trace_wasm_decode_time) { | 3363 if (FLAG_trace_wasm_decode_time) { |
3328 *decode_ms = decode_timer.Elapsed().InMillisecondsF(); | 3364 *decode_ms = decode_timer.Elapsed().InMillisecondsF(); |
3329 } | 3365 } |
3330 return source_position_table; | 3366 return source_position_table; |
3331 } | 3367 } |
3332 | 3368 |
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3459 function_->code_start_offset), | 3495 function_->code_start_offset), |
3460 compile_ms); | 3496 compile_ms); |
3461 } | 3497 } |
3462 | 3498 |
3463 return code; | 3499 return code; |
3464 } | 3500 } |
3465 | 3501 |
3466 } // namespace compiler | 3502 } // namespace compiler |
3467 } // namespace internal | 3503 } // namespace internal |
3468 } // namespace v8 | 3504 } // namespace v8 |
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