Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/compiler/wasm-compiler.h" |
| 6 | |
| 7 | #include "src/isolate-inl.h" |
| 8 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 9 | #include "src/base/platform/elapsed-timer.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 10 | #include "src/base/platform/platform.h" |
| 11 | |
| 12 | #include "src/compiler/access-builder.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 13 | #include "src/compiler/common-operator.h" |
| 14 | #include "src/compiler/diamond.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 15 | #include "src/compiler/graph-visualizer.h" |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 16 | #include "src/compiler/graph.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 17 | #include "src/compiler/instruction-selector.h" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 18 | #include "src/compiler/int64-lowering.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 19 | #include "src/compiler/js-generic-lowering.h" |
| 20 | #include "src/compiler/js-graph.h" |
| 21 | #include "src/compiler/js-operator.h" |
| 22 | #include "src/compiler/linkage.h" |
| 23 | #include "src/compiler/machine-operator.h" |
| 24 | #include "src/compiler/node-matchers.h" |
| 25 | #include "src/compiler/pipeline.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 26 | #include "src/compiler/source-position.h" |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 27 | #include "src/compiler/zone-pool.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 28 | |
| 29 | #include "src/code-factory.h" |
| 30 | #include "src/code-stubs.h" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 31 | #include "src/factory.h" |
| 32 | #include "src/log-inl.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 33 | |
| 34 | #include "src/wasm/ast-decoder.h" |
| 35 | #include "src/wasm/wasm-module.h" |
| 36 | #include "src/wasm/wasm-opcodes.h" |
| 37 | |
| 38 | // TODO(titzer): pull WASM_64 up to a common header. |
| 39 | #if !V8_TARGET_ARCH_32_BIT || V8_TARGET_ARCH_X64 |
| 40 | #define WASM_64 1 |
| 41 | #else |
| 42 | #define WASM_64 0 |
| 43 | #endif |
| 44 | |
| 45 | namespace v8 { |
| 46 | namespace internal { |
| 47 | namespace compiler { |
| 48 | |
| 49 | namespace { |
| 50 | const Operator* UnsupportedOpcode(wasm::WasmOpcode opcode) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 51 | V8_Fatal(__FILE__, __LINE__, "Unsupported opcode #%d:%s", opcode, |
| 52 | wasm::WasmOpcodes::OpcodeName(opcode)); |
| 53 | return nullptr; |
| 54 | } |
| 55 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 56 | void MergeControlToEnd(JSGraph* jsgraph, Node* node) { |
| 57 | Graph* g = jsgraph->graph(); |
| 58 | if (g->end()) { |
| 59 | NodeProperties::MergeControlToEnd(g, jsgraph->common(), node); |
| 60 | } else { |
| 61 | g->SetEnd(g->NewNode(jsgraph->common()->End(1), node)); |
| 62 | } |
| 63 | } |
| 64 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 65 | } // namespace |
| 66 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 67 | // A helper that handles building graph fragments for trapping. |
| 68 | // To avoid generating a ton of redundant code that just calls the runtime |
| 69 | // to trap, we generate a per-trap-reason block of code that all trap sites |
| 70 | // in this function will branch to. |
| 71 | class WasmTrapHelper : public ZoneObject { |
| 72 | public: |
| 73 | explicit WasmTrapHelper(WasmGraphBuilder* builder) |
| 74 | : builder_(builder), |
| 75 | jsgraph_(builder->jsgraph()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 76 | graph_(builder->jsgraph() ? builder->jsgraph()->graph() : nullptr) {} |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 77 | |
| 78 | // Make the current control path trap to unreachable. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 79 | void Unreachable(wasm::WasmCodePosition position) { |
| 80 | ConnectTrap(wasm::kTrapUnreachable, position); |
| 81 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 82 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 83 | // Always trap with the given reason. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 84 | void TrapAlways(wasm::TrapReason reason, wasm::WasmCodePosition position) { |
| 85 | ConnectTrap(reason, position); |
| 86 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 87 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 88 | // Add a check that traps if {node} is equal to {val}. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 89 | Node* TrapIfEq32(wasm::TrapReason reason, Node* node, int32_t val, |
| 90 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 91 | Int32Matcher m(node); |
| 92 | if (m.HasValue() && !m.Is(val)) return graph()->start(); |
| 93 | if (val == 0) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 94 | AddTrapIfFalse(reason, node, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 95 | } else { |
| 96 | AddTrapIfTrue(reason, |
| 97 | graph()->NewNode(jsgraph()->machine()->Word32Equal(), node, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 98 | jsgraph()->Int32Constant(val)), |
| 99 | position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 100 | } |
| 101 | return builder_->Control(); |
| 102 | } |
| 103 | |
| 104 | // Add a check that traps if {node} is zero. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 105 | Node* ZeroCheck32(wasm::TrapReason reason, Node* node, |
| 106 | wasm::WasmCodePosition position) { |
| 107 | return TrapIfEq32(reason, node, 0, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | // Add a check that traps if {node} is equal to {val}. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 111 | Node* TrapIfEq64(wasm::TrapReason reason, Node* node, int64_t val, |
| 112 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 113 | Int64Matcher m(node); |
| 114 | if (m.HasValue() && !m.Is(val)) return graph()->start(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 115 | AddTrapIfTrue(reason, graph()->NewNode(jsgraph()->machine()->Word64Equal(), |
| 116 | node, jsgraph()->Int64Constant(val)), |
| 117 | position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 118 | return builder_->Control(); |
| 119 | } |
| 120 | |
| 121 | // Add a check that traps if {node} is zero. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 122 | Node* ZeroCheck64(wasm::TrapReason reason, Node* node, |
| 123 | wasm::WasmCodePosition position) { |
| 124 | return TrapIfEq64(reason, node, 0, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | // Add a trap if {cond} is true. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 128 | void AddTrapIfTrue(wasm::TrapReason reason, Node* cond, |
| 129 | wasm::WasmCodePosition position) { |
| 130 | AddTrapIf(reason, cond, true, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | // Add a trap if {cond} is false. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 134 | void AddTrapIfFalse(wasm::TrapReason reason, Node* cond, |
| 135 | wasm::WasmCodePosition position) { |
| 136 | AddTrapIf(reason, cond, false, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | // Add a trap if {cond} is true or false according to {iftrue}. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 140 | void AddTrapIf(wasm::TrapReason reason, Node* cond, bool iftrue, |
| 141 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 142 | Node** effect_ptr = builder_->effect_; |
| 143 | Node** control_ptr = builder_->control_; |
| 144 | Node* before = *effect_ptr; |
| 145 | BranchHint hint = iftrue ? BranchHint::kFalse : BranchHint::kTrue; |
| 146 | Node* branch = graph()->NewNode(common()->Branch(hint), cond, *control_ptr); |
| 147 | Node* if_true = graph()->NewNode(common()->IfTrue(), branch); |
| 148 | Node* if_false = graph()->NewNode(common()->IfFalse(), branch); |
| 149 | |
| 150 | *control_ptr = iftrue ? if_true : if_false; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 151 | ConnectTrap(reason, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 152 | *control_ptr = iftrue ? if_false : if_true; |
| 153 | *effect_ptr = before; |
| 154 | } |
| 155 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 156 | Node* GetTrapValue(wasm::FunctionSig* sig) { |
| 157 | if (sig->return_count() > 0) { |
| 158 | switch (sig->GetReturn()) { |
| 159 | case wasm::kAstI32: |
| 160 | return jsgraph()->Int32Constant(0xdeadbeef); |
| 161 | case wasm::kAstI64: |
| 162 | return jsgraph()->Int64Constant(0xdeadbeefdeadbeef); |
| 163 | case wasm::kAstF32: |
| 164 | return jsgraph()->Float32Constant(bit_cast<float>(0xdeadbeef)); |
| 165 | case wasm::kAstF64: |
| 166 | return jsgraph()->Float64Constant( |
| 167 | bit_cast<double>(0xdeadbeefdeadbeef)); |
| 168 | break; |
| 169 | default: |
| 170 | UNREACHABLE(); |
| 171 | return nullptr; |
| 172 | } |
| 173 | } else { |
| 174 | return jsgraph()->Int32Constant(0xdeadbeef); |
| 175 | } |
| 176 | } |
| 177 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 178 | private: |
| 179 | WasmGraphBuilder* builder_; |
| 180 | JSGraph* jsgraph_; |
| 181 | Graph* graph_; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 182 | Node* trap_merge_ = nullptr; |
| 183 | Node* trap_effect_; |
| 184 | Node* trap_reason_; |
| 185 | Node* trap_position_; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 186 | |
| 187 | JSGraph* jsgraph() { return jsgraph_; } |
| 188 | Graph* graph() { return jsgraph_->graph(); } |
| 189 | CommonOperatorBuilder* common() { return jsgraph()->common(); } |
| 190 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 191 | void ConnectTrap(wasm::TrapReason reason, wasm::WasmCodePosition position) { |
| 192 | DCHECK(position != wasm::kNoCodePosition); |
| 193 | Node* reason_node = builder_->Int32Constant( |
| 194 | wasm::WasmOpcodes::TrapReasonToMessageId(reason)); |
| 195 | Node* position_node = builder_->Int32Constant(position); |
| 196 | if (trap_merge_ == nullptr) { |
| 197 | // Create trap code for the first time. |
| 198 | return BuildTrapCode(reason_node, position_node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 199 | } |
| 200 | // Connect the current control and effect to the existing trap code. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 201 | builder_->AppendToMerge(trap_merge_, builder_->Control()); |
| 202 | builder_->AppendToPhi(trap_effect_, builder_->Effect()); |
| 203 | builder_->AppendToPhi(trap_reason_, reason_node); |
| 204 | builder_->AppendToPhi(trap_position_, position_node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 205 | } |
| 206 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 207 | void BuildTrapCode(Node* reason_node, Node* position_node) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 208 | Node* end; |
| 209 | Node** control_ptr = builder_->control_; |
| 210 | Node** effect_ptr = builder_->effect_; |
| 211 | wasm::ModuleEnv* module = builder_->module_; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 212 | DCHECK(trap_merge_ == NULL); |
| 213 | *control_ptr = trap_merge_ = |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 214 | graph()->NewNode(common()->Merge(1), *control_ptr); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 215 | *effect_ptr = trap_effect_ = |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 216 | graph()->NewNode(common()->EffectPhi(1), *effect_ptr, *control_ptr); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 217 | trap_reason_ = |
| 218 | graph()->NewNode(common()->Phi(MachineRepresentation::kWord32, 1), |
| 219 | reason_node, *control_ptr); |
| 220 | trap_position_ = |
| 221 | graph()->NewNode(common()->Phi(MachineRepresentation::kWord32, 1), |
| 222 | position_node, *control_ptr); |
| 223 | |
| 224 | Node* trap_reason_smi = builder_->BuildChangeInt32ToSmi(trap_reason_); |
| 225 | Node* trap_position_smi = builder_->BuildChangeInt32ToSmi(trap_position_); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 226 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 227 | if (module && !module->instance->context.is_null()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 228 | // Use the module context to call the runtime to throw an exception. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 229 | Runtime::FunctionId f = Runtime::kThrowWasmError; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 230 | const Runtime::Function* fun = Runtime::FunctionForId(f); |
| 231 | CallDescriptor* desc = Linkage::GetRuntimeCallDescriptor( |
| 232 | jsgraph()->zone(), f, fun->nargs, Operator::kNoProperties, |
| 233 | CallDescriptor::kNoFlags); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 234 | // CEntryStubConstant nodes have to be created and cached in the main |
| 235 | // thread. At the moment this is only done for CEntryStubConstant(1). |
| 236 | DCHECK_EQ(1, fun->result_size); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 237 | Node* inputs[] = { |
| 238 | jsgraph()->CEntryStubConstant(fun->result_size), // C entry |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 239 | trap_reason_smi, // message id |
| 240 | trap_position_smi, // byte position |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 241 | jsgraph()->ExternalConstant( |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 242 | ExternalReference(f, jsgraph()->isolate())), // ref |
| 243 | jsgraph()->Int32Constant(fun->nargs), // arity |
| 244 | builder_->HeapConstant(module->instance->context), // context |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 245 | *effect_ptr, |
| 246 | *control_ptr}; |
| 247 | |
| 248 | Node* node = graph()->NewNode( |
| 249 | common()->Call(desc), static_cast<int>(arraysize(inputs)), inputs); |
| 250 | *control_ptr = node; |
| 251 | *effect_ptr = node; |
| 252 | } |
| 253 | if (false) { |
| 254 | // End the control flow with a throw |
| 255 | Node* thrw = |
| 256 | graph()->NewNode(common()->Throw(), jsgraph()->ZeroConstant(), |
| 257 | *effect_ptr, *control_ptr); |
| 258 | end = thrw; |
| 259 | } else { |
| 260 | // End the control flow with returning 0xdeadbeef |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 261 | Node* ret_value = GetTrapValue(builder_->GetFunctionSignature()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 262 | end = graph()->NewNode(jsgraph()->common()->Return(), ret_value, |
| 263 | *effect_ptr, *control_ptr); |
| 264 | } |
| 265 | |
| 266 | MergeControlToEnd(jsgraph(), end); |
| 267 | } |
| 268 | }; |
| 269 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 270 | WasmGraphBuilder::WasmGraphBuilder( |
| 271 | Zone* zone, JSGraph* jsgraph, wasm::FunctionSig* function_signature, |
| 272 | compiler::SourcePositionTable* source_position_table) |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 273 | : zone_(zone), |
| 274 | jsgraph_(jsgraph), |
| 275 | module_(nullptr), |
| 276 | mem_buffer_(nullptr), |
| 277 | mem_size_(nullptr), |
| 278 | function_table_(nullptr), |
| 279 | control_(nullptr), |
| 280 | effect_(nullptr), |
| 281 | cur_buffer_(def_buffer_), |
| 282 | cur_bufsize_(kDefaultBufferSize), |
| 283 | trap_(new (zone) WasmTrapHelper(this)), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 284 | function_signature_(function_signature), |
| 285 | source_position_table_(source_position_table) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 286 | DCHECK_NOT_NULL(jsgraph_); |
| 287 | } |
| 288 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 289 | Node* WasmGraphBuilder::Error() { return jsgraph()->Dead(); } |
| 290 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 291 | Node* WasmGraphBuilder::Start(unsigned params) { |
| 292 | Node* start = graph()->NewNode(jsgraph()->common()->Start(params)); |
| 293 | graph()->SetStart(start); |
| 294 | return start; |
| 295 | } |
| 296 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 297 | Node* WasmGraphBuilder::Param(unsigned index, wasm::LocalType type) { |
| 298 | return graph()->NewNode(jsgraph()->common()->Parameter(index), |
| 299 | graph()->start()); |
| 300 | } |
| 301 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 302 | Node* WasmGraphBuilder::Loop(Node* entry) { |
| 303 | return graph()->NewNode(jsgraph()->common()->Loop(1), entry); |
| 304 | } |
| 305 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 306 | Node* WasmGraphBuilder::Terminate(Node* effect, Node* control) { |
| 307 | Node* terminate = |
| 308 | graph()->NewNode(jsgraph()->common()->Terminate(), effect, control); |
| 309 | MergeControlToEnd(jsgraph(), terminate); |
| 310 | return terminate; |
| 311 | } |
| 312 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 313 | unsigned WasmGraphBuilder::InputCount(Node* node) { |
| 314 | return static_cast<unsigned>(node->InputCount()); |
| 315 | } |
| 316 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 317 | bool WasmGraphBuilder::IsPhiWithMerge(Node* phi, Node* merge) { |
| 318 | return phi && IrOpcode::IsPhiOpcode(phi->opcode()) && |
| 319 | NodeProperties::GetControlInput(phi) == merge; |
| 320 | } |
| 321 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 322 | void WasmGraphBuilder::AppendToMerge(Node* merge, Node* from) { |
| 323 | DCHECK(IrOpcode::IsMergeOpcode(merge->opcode())); |
| 324 | merge->AppendInput(jsgraph()->zone(), from); |
| 325 | int new_size = merge->InputCount(); |
| 326 | NodeProperties::ChangeOp( |
| 327 | merge, jsgraph()->common()->ResizeMergeOrPhi(merge->op(), new_size)); |
| 328 | } |
| 329 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 330 | void WasmGraphBuilder::AppendToPhi(Node* phi, Node* from) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 331 | DCHECK(IrOpcode::IsPhiOpcode(phi->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 332 | int new_size = phi->InputCount(); |
| 333 | phi->InsertInput(jsgraph()->zone(), phi->InputCount() - 1, from); |
| 334 | NodeProperties::ChangeOp( |
| 335 | phi, jsgraph()->common()->ResizeMergeOrPhi(phi->op(), new_size)); |
| 336 | } |
| 337 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 338 | Node* WasmGraphBuilder::Merge(unsigned count, Node** controls) { |
| 339 | return graph()->NewNode(jsgraph()->common()->Merge(count), count, controls); |
| 340 | } |
| 341 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 342 | Node* WasmGraphBuilder::Phi(wasm::LocalType type, unsigned count, Node** vals, |
| 343 | Node* control) { |
| 344 | DCHECK(IrOpcode::IsMergeOpcode(control->opcode())); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 345 | Node** buf = Realloc(vals, count, count + 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 346 | buf[count] = control; |
| 347 | return graph()->NewNode(jsgraph()->common()->Phi(type, count), count + 1, |
| 348 | buf); |
| 349 | } |
| 350 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 351 | Node* WasmGraphBuilder::EffectPhi(unsigned count, Node** effects, |
| 352 | Node* control) { |
| 353 | DCHECK(IrOpcode::IsMergeOpcode(control->opcode())); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 354 | Node** buf = Realloc(effects, count, count + 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 355 | buf[count] = control; |
| 356 | return graph()->NewNode(jsgraph()->common()->EffectPhi(count), count + 1, |
| 357 | buf); |
| 358 | } |
| 359 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 360 | Node* WasmGraphBuilder::NumberConstant(int32_t value) { |
| 361 | return jsgraph()->Constant(value); |
| 362 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 363 | |
| 364 | Node* WasmGraphBuilder::Int32Constant(int32_t value) { |
| 365 | return jsgraph()->Int32Constant(value); |
| 366 | } |
| 367 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 368 | Node* WasmGraphBuilder::Int64Constant(int64_t value) { |
| 369 | return jsgraph()->Int64Constant(value); |
| 370 | } |
| 371 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 372 | Node* WasmGraphBuilder::Binop(wasm::WasmOpcode opcode, Node* left, Node* right, |
| 373 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 374 | const Operator* op; |
| 375 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 376 | switch (opcode) { |
| 377 | case wasm::kExprI32Add: |
| 378 | op = m->Int32Add(); |
| 379 | break; |
| 380 | case wasm::kExprI32Sub: |
| 381 | op = m->Int32Sub(); |
| 382 | break; |
| 383 | case wasm::kExprI32Mul: |
| 384 | op = m->Int32Mul(); |
| 385 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 386 | case wasm::kExprI32DivS: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 387 | return BuildI32DivS(left, right, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 388 | case wasm::kExprI32DivU: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 389 | return BuildI32DivU(left, right, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 390 | case wasm::kExprI32RemS: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 391 | return BuildI32RemS(left, right, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 392 | case wasm::kExprI32RemU: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 393 | return BuildI32RemU(left, right, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 394 | case wasm::kExprI32And: |
| 395 | op = m->Word32And(); |
| 396 | break; |
| 397 | case wasm::kExprI32Ior: |
| 398 | op = m->Word32Or(); |
| 399 | break; |
| 400 | case wasm::kExprI32Xor: |
| 401 | op = m->Word32Xor(); |
| 402 | break; |
| 403 | case wasm::kExprI32Shl: |
| 404 | op = m->Word32Shl(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 405 | right = MaskShiftCount32(right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 406 | break; |
| 407 | case wasm::kExprI32ShrU: |
| 408 | op = m->Word32Shr(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 409 | right = MaskShiftCount32(right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 410 | break; |
| 411 | case wasm::kExprI32ShrS: |
| 412 | op = m->Word32Sar(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 413 | right = MaskShiftCount32(right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 414 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 415 | case wasm::kExprI32Ror: |
| 416 | op = m->Word32Ror(); |
| 417 | right = MaskShiftCount32(right); |
| 418 | break; |
| 419 | case wasm::kExprI32Rol: |
| 420 | right = MaskShiftCount32(right); |
| 421 | return BuildI32Rol(left, right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 422 | case wasm::kExprI32Eq: |
| 423 | op = m->Word32Equal(); |
| 424 | break; |
| 425 | case wasm::kExprI32Ne: |
| 426 | return Invert(Binop(wasm::kExprI32Eq, left, right)); |
| 427 | case wasm::kExprI32LtS: |
| 428 | op = m->Int32LessThan(); |
| 429 | break; |
| 430 | case wasm::kExprI32LeS: |
| 431 | op = m->Int32LessThanOrEqual(); |
| 432 | break; |
| 433 | case wasm::kExprI32LtU: |
| 434 | op = m->Uint32LessThan(); |
| 435 | break; |
| 436 | case wasm::kExprI32LeU: |
| 437 | op = m->Uint32LessThanOrEqual(); |
| 438 | break; |
| 439 | case wasm::kExprI32GtS: |
| 440 | op = m->Int32LessThan(); |
| 441 | std::swap(left, right); |
| 442 | break; |
| 443 | case wasm::kExprI32GeS: |
| 444 | op = m->Int32LessThanOrEqual(); |
| 445 | std::swap(left, right); |
| 446 | break; |
| 447 | case wasm::kExprI32GtU: |
| 448 | op = m->Uint32LessThan(); |
| 449 | std::swap(left, right); |
| 450 | break; |
| 451 | case wasm::kExprI32GeU: |
| 452 | op = m->Uint32LessThanOrEqual(); |
| 453 | std::swap(left, right); |
| 454 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 455 | case wasm::kExprI64And: |
| 456 | op = m->Word64And(); |
| 457 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 458 | case wasm::kExprI64Add: |
| 459 | op = m->Int64Add(); |
| 460 | break; |
| 461 | case wasm::kExprI64Sub: |
| 462 | op = m->Int64Sub(); |
| 463 | break; |
| 464 | case wasm::kExprI64Mul: |
| 465 | op = m->Int64Mul(); |
| 466 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 467 | case wasm::kExprI64DivS: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 468 | return BuildI64DivS(left, right, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 469 | case wasm::kExprI64DivU: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 470 | return BuildI64DivU(left, right, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 471 | case wasm::kExprI64RemS: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 472 | return BuildI64RemS(left, right, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 473 | case wasm::kExprI64RemU: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 474 | return BuildI64RemU(left, right, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 475 | case wasm::kExprI64Ior: |
| 476 | op = m->Word64Or(); |
| 477 | break; |
| 478 | case wasm::kExprI64Xor: |
| 479 | op = m->Word64Xor(); |
| 480 | break; |
| 481 | case wasm::kExprI64Shl: |
| 482 | op = m->Word64Shl(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 483 | right = MaskShiftCount64(right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 484 | break; |
| 485 | case wasm::kExprI64ShrU: |
| 486 | op = m->Word64Shr(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 487 | right = MaskShiftCount64(right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 488 | break; |
| 489 | case wasm::kExprI64ShrS: |
| 490 | op = m->Word64Sar(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 491 | right = MaskShiftCount64(right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 492 | break; |
| 493 | case wasm::kExprI64Eq: |
| 494 | op = m->Word64Equal(); |
| 495 | break; |
| 496 | case wasm::kExprI64Ne: |
| 497 | return Invert(Binop(wasm::kExprI64Eq, left, right)); |
| 498 | case wasm::kExprI64LtS: |
| 499 | op = m->Int64LessThan(); |
| 500 | break; |
| 501 | case wasm::kExprI64LeS: |
| 502 | op = m->Int64LessThanOrEqual(); |
| 503 | break; |
| 504 | case wasm::kExprI64LtU: |
| 505 | op = m->Uint64LessThan(); |
| 506 | break; |
| 507 | case wasm::kExprI64LeU: |
| 508 | op = m->Uint64LessThanOrEqual(); |
| 509 | break; |
| 510 | case wasm::kExprI64GtS: |
| 511 | op = m->Int64LessThan(); |
| 512 | std::swap(left, right); |
| 513 | break; |
| 514 | case wasm::kExprI64GeS: |
| 515 | op = m->Int64LessThanOrEqual(); |
| 516 | std::swap(left, right); |
| 517 | break; |
| 518 | case wasm::kExprI64GtU: |
| 519 | op = m->Uint64LessThan(); |
| 520 | std::swap(left, right); |
| 521 | break; |
| 522 | case wasm::kExprI64GeU: |
| 523 | op = m->Uint64LessThanOrEqual(); |
| 524 | std::swap(left, right); |
| 525 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 526 | case wasm::kExprI64Ror: |
| 527 | op = m->Word64Ror(); |
| 528 | right = MaskShiftCount64(right); |
| 529 | break; |
| 530 | case wasm::kExprI64Rol: |
| 531 | return BuildI64Rol(left, right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 532 | case wasm::kExprF32CopySign: |
| 533 | return BuildF32CopySign(left, right); |
| 534 | case wasm::kExprF64CopySign: |
| 535 | return BuildF64CopySign(left, right); |
| 536 | case wasm::kExprF32Add: |
| 537 | op = m->Float32Add(); |
| 538 | break; |
| 539 | case wasm::kExprF32Sub: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 540 | op = m->Float32SubPreserveNan(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 541 | break; |
| 542 | case wasm::kExprF32Mul: |
| 543 | op = m->Float32Mul(); |
| 544 | break; |
| 545 | case wasm::kExprF32Div: |
| 546 | op = m->Float32Div(); |
| 547 | break; |
| 548 | case wasm::kExprF32Eq: |
| 549 | op = m->Float32Equal(); |
| 550 | break; |
| 551 | case wasm::kExprF32Ne: |
| 552 | return Invert(Binop(wasm::kExprF32Eq, left, right)); |
| 553 | case wasm::kExprF32Lt: |
| 554 | op = m->Float32LessThan(); |
| 555 | break; |
| 556 | case wasm::kExprF32Ge: |
| 557 | op = m->Float32LessThanOrEqual(); |
| 558 | std::swap(left, right); |
| 559 | break; |
| 560 | case wasm::kExprF32Gt: |
| 561 | op = m->Float32LessThan(); |
| 562 | std::swap(left, right); |
| 563 | break; |
| 564 | case wasm::kExprF32Le: |
| 565 | op = m->Float32LessThanOrEqual(); |
| 566 | break; |
| 567 | case wasm::kExprF64Add: |
| 568 | op = m->Float64Add(); |
| 569 | break; |
| 570 | case wasm::kExprF64Sub: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 571 | op = m->Float64SubPreserveNan(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 572 | break; |
| 573 | case wasm::kExprF64Mul: |
| 574 | op = m->Float64Mul(); |
| 575 | break; |
| 576 | case wasm::kExprF64Div: |
| 577 | op = m->Float64Div(); |
| 578 | break; |
| 579 | case wasm::kExprF64Eq: |
| 580 | op = m->Float64Equal(); |
| 581 | break; |
| 582 | case wasm::kExprF64Ne: |
| 583 | return Invert(Binop(wasm::kExprF64Eq, left, right)); |
| 584 | case wasm::kExprF64Lt: |
| 585 | op = m->Float64LessThan(); |
| 586 | break; |
| 587 | case wasm::kExprF64Le: |
| 588 | op = m->Float64LessThanOrEqual(); |
| 589 | break; |
| 590 | case wasm::kExprF64Gt: |
| 591 | op = m->Float64LessThan(); |
| 592 | std::swap(left, right); |
| 593 | break; |
| 594 | case wasm::kExprF64Ge: |
| 595 | op = m->Float64LessThanOrEqual(); |
| 596 | std::swap(left, right); |
| 597 | break; |
| 598 | case wasm::kExprF32Min: |
| 599 | return BuildF32Min(left, right); |
| 600 | case wasm::kExprF64Min: |
| 601 | return BuildF64Min(left, right); |
| 602 | case wasm::kExprF32Max: |
| 603 | return BuildF32Max(left, right); |
| 604 | case wasm::kExprF64Max: |
| 605 | return BuildF64Max(left, right); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 606 | case wasm::kExprF64Pow: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 607 | return BuildF64Pow(left, right); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 608 | case wasm::kExprF64Atan2: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 609 | op = m->Float64Atan2(); |
| 610 | break; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 611 | case wasm::kExprF64Mod: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 612 | return BuildF64Mod(left, right); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 613 | case wasm::kExprI32AsmjsDivS: |
| 614 | return BuildI32AsmjsDivS(left, right); |
| 615 | case wasm::kExprI32AsmjsDivU: |
| 616 | return BuildI32AsmjsDivU(left, right); |
| 617 | case wasm::kExprI32AsmjsRemS: |
| 618 | return BuildI32AsmjsRemS(left, right); |
| 619 | case wasm::kExprI32AsmjsRemU: |
| 620 | return BuildI32AsmjsRemU(left, right); |
| 621 | case wasm::kExprI32AsmjsStoreMem8: |
| 622 | return BuildAsmjsStoreMem(MachineType::Int8(), left, right); |
| 623 | case wasm::kExprI32AsmjsStoreMem16: |
| 624 | return BuildAsmjsStoreMem(MachineType::Int16(), left, right); |
| 625 | case wasm::kExprI32AsmjsStoreMem: |
| 626 | return BuildAsmjsStoreMem(MachineType::Int32(), left, right); |
| 627 | case wasm::kExprF32AsmjsStoreMem: |
| 628 | return BuildAsmjsStoreMem(MachineType::Float32(), left, right); |
| 629 | case wasm::kExprF64AsmjsStoreMem: |
| 630 | return BuildAsmjsStoreMem(MachineType::Float64(), left, right); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 631 | default: |
| 632 | op = UnsupportedOpcode(opcode); |
| 633 | } |
| 634 | return graph()->NewNode(op, left, right); |
| 635 | } |
| 636 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 637 | Node* WasmGraphBuilder::Unop(wasm::WasmOpcode opcode, Node* input, |
| 638 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 639 | const Operator* op; |
| 640 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 641 | switch (opcode) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 642 | case wasm::kExprI32Eqz: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 643 | op = m->Word32Equal(); |
| 644 | return graph()->NewNode(op, input, jsgraph()->Int32Constant(0)); |
| 645 | case wasm::kExprF32Abs: |
| 646 | op = m->Float32Abs(); |
| 647 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 648 | case wasm::kExprF32Neg: { |
| 649 | if (m->Float32Neg().IsSupported()) { |
| 650 | op = m->Float32Neg().op(); |
| 651 | break; |
| 652 | } else { |
| 653 | return BuildF32Neg(input); |
| 654 | } |
| 655 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 656 | case wasm::kExprF32Sqrt: |
| 657 | op = m->Float32Sqrt(); |
| 658 | break; |
| 659 | case wasm::kExprF64Abs: |
| 660 | op = m->Float64Abs(); |
| 661 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 662 | case wasm::kExprF64Neg: { |
| 663 | if (m->Float64Neg().IsSupported()) { |
| 664 | op = m->Float64Neg().op(); |
| 665 | break; |
| 666 | } else { |
| 667 | return BuildF64Neg(input); |
| 668 | } |
| 669 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 670 | case wasm::kExprF64Sqrt: |
| 671 | op = m->Float64Sqrt(); |
| 672 | break; |
| 673 | case wasm::kExprI32SConvertF64: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 674 | return BuildI32SConvertF64(input, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 675 | case wasm::kExprI32UConvertF64: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 676 | return BuildI32UConvertF64(input, position); |
| 677 | case wasm::kExprI32AsmjsSConvertF64: |
| 678 | return BuildI32AsmjsSConvertF64(input); |
| 679 | case wasm::kExprI32AsmjsUConvertF64: |
| 680 | return BuildI32AsmjsUConvertF64(input); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 681 | case wasm::kExprF32ConvertF64: |
| 682 | op = m->TruncateFloat64ToFloat32(); |
| 683 | break; |
| 684 | case wasm::kExprF64SConvertI32: |
| 685 | op = m->ChangeInt32ToFloat64(); |
| 686 | break; |
| 687 | case wasm::kExprF64UConvertI32: |
| 688 | op = m->ChangeUint32ToFloat64(); |
| 689 | break; |
| 690 | case wasm::kExprF32SConvertI32: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 691 | op = m->RoundInt32ToFloat32(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 692 | break; |
| 693 | case wasm::kExprF32UConvertI32: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 694 | op = m->RoundUint32ToFloat32(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 695 | break; |
| 696 | case wasm::kExprI32SConvertF32: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 697 | return BuildI32SConvertF32(input, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 698 | case wasm::kExprI32UConvertF32: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 699 | return BuildI32UConvertF32(input, position); |
| 700 | case wasm::kExprI32AsmjsSConvertF32: |
| 701 | return BuildI32AsmjsSConvertF32(input); |
| 702 | case wasm::kExprI32AsmjsUConvertF32: |
| 703 | return BuildI32AsmjsUConvertF32(input); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 704 | case wasm::kExprF64ConvertF32: |
| 705 | op = m->ChangeFloat32ToFloat64(); |
| 706 | break; |
| 707 | case wasm::kExprF32ReinterpretI32: |
| 708 | op = m->BitcastInt32ToFloat32(); |
| 709 | break; |
| 710 | case wasm::kExprI32ReinterpretF32: |
| 711 | op = m->BitcastFloat32ToInt32(); |
| 712 | break; |
| 713 | case wasm::kExprI32Clz: |
| 714 | op = m->Word32Clz(); |
| 715 | break; |
| 716 | case wasm::kExprI32Ctz: { |
| 717 | if (m->Word32Ctz().IsSupported()) { |
| 718 | op = m->Word32Ctz().op(); |
| 719 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 720 | } else if (m->Word32ReverseBits().IsSupported()) { |
| 721 | Node* reversed = graph()->NewNode(m->Word32ReverseBits().op(), input); |
| 722 | Node* result = graph()->NewNode(m->Word32Clz(), reversed); |
| 723 | return result; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 724 | } else { |
| 725 | return BuildI32Ctz(input); |
| 726 | } |
| 727 | } |
| 728 | case wasm::kExprI32Popcnt: { |
| 729 | if (m->Word32Popcnt().IsSupported()) { |
| 730 | op = m->Word32Popcnt().op(); |
| 731 | break; |
| 732 | } else { |
| 733 | return BuildI32Popcnt(input); |
| 734 | } |
| 735 | } |
| 736 | case wasm::kExprF32Floor: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 737 | if (!m->Float32RoundDown().IsSupported()) return BuildF32Floor(input); |
| 738 | op = m->Float32RoundDown().op(); |
| 739 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 740 | } |
| 741 | case wasm::kExprF32Ceil: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 742 | if (!m->Float32RoundUp().IsSupported()) return BuildF32Ceil(input); |
| 743 | op = m->Float32RoundUp().op(); |
| 744 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 745 | } |
| 746 | case wasm::kExprF32Trunc: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 747 | if (!m->Float32RoundTruncate().IsSupported()) return BuildF32Trunc(input); |
| 748 | op = m->Float32RoundTruncate().op(); |
| 749 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 750 | } |
| 751 | case wasm::kExprF32NearestInt: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 752 | if (!m->Float32RoundTiesEven().IsSupported()) |
| 753 | return BuildF32NearestInt(input); |
| 754 | op = m->Float32RoundTiesEven().op(); |
| 755 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 756 | } |
| 757 | case wasm::kExprF64Floor: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 758 | if (!m->Float64RoundDown().IsSupported()) return BuildF64Floor(input); |
| 759 | op = m->Float64RoundDown().op(); |
| 760 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 761 | } |
| 762 | case wasm::kExprF64Ceil: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 763 | if (!m->Float64RoundUp().IsSupported()) return BuildF64Ceil(input); |
| 764 | op = m->Float64RoundUp().op(); |
| 765 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 766 | } |
| 767 | case wasm::kExprF64Trunc: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 768 | if (!m->Float64RoundTruncate().IsSupported()) return BuildF64Trunc(input); |
| 769 | op = m->Float64RoundTruncate().op(); |
| 770 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 771 | } |
| 772 | case wasm::kExprF64NearestInt: { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 773 | if (!m->Float64RoundTiesEven().IsSupported()) |
| 774 | return BuildF64NearestInt(input); |
| 775 | op = m->Float64RoundTiesEven().op(); |
| 776 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 777 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 778 | case wasm::kExprF64Acos: { |
| 779 | return BuildF64Acos(input); |
| 780 | } |
| 781 | case wasm::kExprF64Asin: { |
| 782 | return BuildF64Asin(input); |
| 783 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 784 | case wasm::kExprF64Atan: |
| 785 | op = m->Float64Atan(); |
| 786 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 787 | case wasm::kExprF64Cos: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 788 | op = m->Float64Cos(); |
| 789 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 790 | } |
| 791 | case wasm::kExprF64Sin: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 792 | op = m->Float64Sin(); |
| 793 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 794 | } |
| 795 | case wasm::kExprF64Tan: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 796 | op = m->Float64Tan(); |
| 797 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 798 | } |
| 799 | case wasm::kExprF64Exp: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 800 | op = m->Float64Exp(); |
| 801 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 802 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 803 | case wasm::kExprF64Log: |
| 804 | op = m->Float64Log(); |
| 805 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 806 | case wasm::kExprI32ConvertI64: |
| 807 | op = m->TruncateInt64ToInt32(); |
| 808 | break; |
| 809 | case wasm::kExprI64SConvertI32: |
| 810 | op = m->ChangeInt32ToInt64(); |
| 811 | break; |
| 812 | case wasm::kExprI64UConvertI32: |
| 813 | op = m->ChangeUint32ToUint64(); |
| 814 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 815 | case wasm::kExprF64ReinterpretI64: |
| 816 | op = m->BitcastInt64ToFloat64(); |
| 817 | break; |
| 818 | case wasm::kExprI64ReinterpretF64: |
| 819 | op = m->BitcastFloat64ToInt64(); |
| 820 | break; |
| 821 | case wasm::kExprI64Clz: |
| 822 | op = m->Word64Clz(); |
| 823 | break; |
| 824 | case wasm::kExprI64Ctz: { |
| 825 | if (m->Word64Ctz().IsSupported()) { |
| 826 | op = m->Word64Ctz().op(); |
| 827 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 828 | } else if (m->Is32() && m->Word32Ctz().IsSupported()) { |
| 829 | op = m->Word64CtzPlaceholder(); |
| 830 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 831 | } else if (m->Word64ReverseBits().IsSupported()) { |
| 832 | Node* reversed = graph()->NewNode(m->Word64ReverseBits().op(), input); |
| 833 | Node* result = graph()->NewNode(m->Word64Clz(), reversed); |
| 834 | return result; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 835 | } else { |
| 836 | return BuildI64Ctz(input); |
| 837 | } |
| 838 | } |
| 839 | case wasm::kExprI64Popcnt: { |
| 840 | if (m->Word64Popcnt().IsSupported()) { |
| 841 | op = m->Word64Popcnt().op(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 842 | } else if (m->Is32() && m->Word32Popcnt().IsSupported()) { |
| 843 | op = m->Word64PopcntPlaceholder(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 844 | } else { |
| 845 | return BuildI64Popcnt(input); |
| 846 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 847 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 848 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 849 | case wasm::kExprI64Eqz: |
| 850 | op = m->Word64Equal(); |
| 851 | return graph()->NewNode(op, input, jsgraph()->Int64Constant(0)); |
| 852 | case wasm::kExprF32SConvertI64: |
| 853 | if (m->Is32()) { |
| 854 | return BuildF32SConvertI64(input); |
| 855 | } |
| 856 | op = m->RoundInt64ToFloat32(); |
| 857 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 858 | case wasm::kExprF32UConvertI64: |
| 859 | if (m->Is32()) { |
| 860 | return BuildF32UConvertI64(input); |
| 861 | } |
| 862 | op = m->RoundUint64ToFloat32(); |
| 863 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 864 | case wasm::kExprF64SConvertI64: |
| 865 | if (m->Is32()) { |
| 866 | return BuildF64SConvertI64(input); |
| 867 | } |
| 868 | op = m->RoundInt64ToFloat64(); |
| 869 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 870 | case wasm::kExprF64UConvertI64: |
| 871 | if (m->Is32()) { |
| 872 | return BuildF64UConvertI64(input); |
| 873 | } |
| 874 | op = m->RoundUint64ToFloat64(); |
| 875 | break; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 876 | case wasm::kExprI64SConvertF32: |
| 877 | return BuildI64SConvertF32(input, position); |
| 878 | case wasm::kExprI64SConvertF64: |
| 879 | return BuildI64SConvertF64(input, position); |
| 880 | case wasm::kExprI64UConvertF32: |
| 881 | return BuildI64UConvertF32(input, position); |
| 882 | case wasm::kExprI64UConvertF64: |
| 883 | return BuildI64UConvertF64(input, position); |
| 884 | case wasm::kExprI32AsmjsLoadMem8S: |
| 885 | return BuildAsmjsLoadMem(MachineType::Int8(), input); |
| 886 | case wasm::kExprI32AsmjsLoadMem8U: |
| 887 | return BuildAsmjsLoadMem(MachineType::Uint8(), input); |
| 888 | case wasm::kExprI32AsmjsLoadMem16S: |
| 889 | return BuildAsmjsLoadMem(MachineType::Int16(), input); |
| 890 | case wasm::kExprI32AsmjsLoadMem16U: |
| 891 | return BuildAsmjsLoadMem(MachineType::Uint16(), input); |
| 892 | case wasm::kExprI32AsmjsLoadMem: |
| 893 | return BuildAsmjsLoadMem(MachineType::Int32(), input); |
| 894 | case wasm::kExprF32AsmjsLoadMem: |
| 895 | return BuildAsmjsLoadMem(MachineType::Float32(), input); |
| 896 | case wasm::kExprF64AsmjsLoadMem: |
| 897 | return BuildAsmjsLoadMem(MachineType::Float64(), input); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 898 | default: |
| 899 | op = UnsupportedOpcode(opcode); |
| 900 | } |
| 901 | return graph()->NewNode(op, input); |
| 902 | } |
| 903 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 904 | Node* WasmGraphBuilder::Float32Constant(float value) { |
| 905 | return jsgraph()->Float32Constant(value); |
| 906 | } |
| 907 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 908 | Node* WasmGraphBuilder::Float64Constant(double value) { |
| 909 | return jsgraph()->Float64Constant(value); |
| 910 | } |
| 911 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 912 | Node* WasmGraphBuilder::HeapConstant(Handle<HeapObject> value) { |
| 913 | return jsgraph()->HeapConstant(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 914 | } |
| 915 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 916 | Node* WasmGraphBuilder::Branch(Node* cond, Node** true_node, |
| 917 | Node** false_node) { |
| 918 | DCHECK_NOT_NULL(cond); |
| 919 | DCHECK_NOT_NULL(*control_); |
| 920 | Node* branch = |
| 921 | graph()->NewNode(jsgraph()->common()->Branch(), cond, *control_); |
| 922 | *true_node = graph()->NewNode(jsgraph()->common()->IfTrue(), branch); |
| 923 | *false_node = graph()->NewNode(jsgraph()->common()->IfFalse(), branch); |
| 924 | return branch; |
| 925 | } |
| 926 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 927 | Node* WasmGraphBuilder::Switch(unsigned count, Node* key) { |
| 928 | return graph()->NewNode(jsgraph()->common()->Switch(count), key, *control_); |
| 929 | } |
| 930 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 931 | Node* WasmGraphBuilder::IfValue(int32_t value, Node* sw) { |
| 932 | DCHECK_EQ(IrOpcode::kSwitch, sw->opcode()); |
| 933 | return graph()->NewNode(jsgraph()->common()->IfValue(value), sw); |
| 934 | } |
| 935 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 936 | Node* WasmGraphBuilder::IfDefault(Node* sw) { |
| 937 | DCHECK_EQ(IrOpcode::kSwitch, sw->opcode()); |
| 938 | return graph()->NewNode(jsgraph()->common()->IfDefault(), sw); |
| 939 | } |
| 940 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 941 | Node* WasmGraphBuilder::Return(unsigned count, Node** vals) { |
| 942 | DCHECK_NOT_NULL(*control_); |
| 943 | DCHECK_NOT_NULL(*effect_); |
| 944 | |
| 945 | if (count == 0) { |
| 946 | // Handle a return of void. |
| 947 | vals[0] = jsgraph()->Int32Constant(0); |
| 948 | count = 1; |
| 949 | } |
| 950 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 951 | Node** buf = Realloc(vals, count, count + 2); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 952 | buf[count] = *effect_; |
| 953 | buf[count + 1] = *control_; |
| 954 | Node* ret = graph()->NewNode(jsgraph()->common()->Return(), count + 2, vals); |
| 955 | |
| 956 | MergeControlToEnd(jsgraph(), ret); |
| 957 | return ret; |
| 958 | } |
| 959 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 960 | Node* WasmGraphBuilder::ReturnVoid() { return Return(0, Buffer(0)); } |
| 961 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 962 | Node* WasmGraphBuilder::Unreachable(wasm::WasmCodePosition position) { |
| 963 | trap_->Unreachable(position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 964 | return nullptr; |
| 965 | } |
| 966 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 967 | Node* WasmGraphBuilder::MaskShiftCount32(Node* node) { |
| 968 | static const int32_t kMask32 = 0x1f; |
| 969 | if (!jsgraph()->machine()->Word32ShiftIsSafe()) { |
| 970 | // Shifts by constants are so common we pattern-match them here. |
| 971 | Int32Matcher match(node); |
| 972 | if (match.HasValue()) { |
| 973 | int32_t masked = (match.Value() & kMask32); |
| 974 | if (match.Value() != masked) node = jsgraph()->Int32Constant(masked); |
| 975 | } else { |
| 976 | node = graph()->NewNode(jsgraph()->machine()->Word32And(), node, |
| 977 | jsgraph()->Int32Constant(kMask32)); |
| 978 | } |
| 979 | } |
| 980 | return node; |
| 981 | } |
| 982 | |
| 983 | Node* WasmGraphBuilder::MaskShiftCount64(Node* node) { |
| 984 | static const int64_t kMask64 = 0x3f; |
| 985 | if (!jsgraph()->machine()->Word32ShiftIsSafe()) { |
| 986 | // Shifts by constants are so common we pattern-match them here. |
| 987 | Int64Matcher match(node); |
| 988 | if (match.HasValue()) { |
| 989 | int64_t masked = (match.Value() & kMask64); |
| 990 | if (match.Value() != masked) node = jsgraph()->Int64Constant(masked); |
| 991 | } else { |
| 992 | node = graph()->NewNode(jsgraph()->machine()->Word64And(), node, |
| 993 | jsgraph()->Int64Constant(kMask64)); |
| 994 | } |
| 995 | } |
| 996 | return node; |
| 997 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 998 | |
| 999 | Node* WasmGraphBuilder::BuildF32Neg(Node* input) { |
| 1000 | Node* result = |
| 1001 | Unop(wasm::kExprF32ReinterpretI32, |
| 1002 | Binop(wasm::kExprI32Xor, Unop(wasm::kExprI32ReinterpretF32, input), |
| 1003 | jsgraph()->Int32Constant(0x80000000))); |
| 1004 | |
| 1005 | return result; |
| 1006 | } |
| 1007 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1008 | Node* WasmGraphBuilder::BuildF64Neg(Node* input) { |
| 1009 | #if WASM_64 |
| 1010 | Node* result = |
| 1011 | Unop(wasm::kExprF64ReinterpretI64, |
| 1012 | Binop(wasm::kExprI64Xor, Unop(wasm::kExprI64ReinterpretF64, input), |
| 1013 | jsgraph()->Int64Constant(0x8000000000000000))); |
| 1014 | |
| 1015 | return result; |
| 1016 | #else |
| 1017 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1018 | |
| 1019 | Node* old_high_word = graph()->NewNode(m->Float64ExtractHighWord32(), input); |
| 1020 | Node* new_high_word = Binop(wasm::kExprI32Xor, old_high_word, |
| 1021 | jsgraph()->Int32Constant(0x80000000)); |
| 1022 | |
| 1023 | return graph()->NewNode(m->Float64InsertHighWord32(), input, new_high_word); |
| 1024 | #endif |
| 1025 | } |
| 1026 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1027 | Node* WasmGraphBuilder::BuildF32CopySign(Node* left, Node* right) { |
| 1028 | Node* result = Unop( |
| 1029 | wasm::kExprF32ReinterpretI32, |
| 1030 | Binop(wasm::kExprI32Ior, |
| 1031 | Binop(wasm::kExprI32And, Unop(wasm::kExprI32ReinterpretF32, left), |
| 1032 | jsgraph()->Int32Constant(0x7fffffff)), |
| 1033 | Binop(wasm::kExprI32And, Unop(wasm::kExprI32ReinterpretF32, right), |
| 1034 | jsgraph()->Int32Constant(0x80000000)))); |
| 1035 | |
| 1036 | return result; |
| 1037 | } |
| 1038 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1039 | Node* WasmGraphBuilder::BuildF64CopySign(Node* left, Node* right) { |
| 1040 | #if WASM_64 |
| 1041 | Node* result = Unop( |
| 1042 | wasm::kExprF64ReinterpretI64, |
| 1043 | Binop(wasm::kExprI64Ior, |
| 1044 | Binop(wasm::kExprI64And, Unop(wasm::kExprI64ReinterpretF64, left), |
| 1045 | jsgraph()->Int64Constant(0x7fffffffffffffff)), |
| 1046 | Binop(wasm::kExprI64And, Unop(wasm::kExprI64ReinterpretF64, right), |
| 1047 | jsgraph()->Int64Constant(0x8000000000000000)))); |
| 1048 | |
| 1049 | return result; |
| 1050 | #else |
| 1051 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1052 | |
| 1053 | Node* high_word_left = graph()->NewNode(m->Float64ExtractHighWord32(), left); |
| 1054 | Node* high_word_right = |
| 1055 | graph()->NewNode(m->Float64ExtractHighWord32(), right); |
| 1056 | |
| 1057 | Node* new_high_word = |
| 1058 | Binop(wasm::kExprI32Ior, Binop(wasm::kExprI32And, high_word_left, |
| 1059 | jsgraph()->Int32Constant(0x7fffffff)), |
| 1060 | Binop(wasm::kExprI32And, high_word_right, |
| 1061 | jsgraph()->Int32Constant(0x80000000))); |
| 1062 | |
| 1063 | return graph()->NewNode(m->Float64InsertHighWord32(), left, new_high_word); |
| 1064 | #endif |
| 1065 | } |
| 1066 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1067 | Node* WasmGraphBuilder::BuildF32Min(Node* left, Node* right) { |
| 1068 | Diamond left_le_right(graph(), jsgraph()->common(), |
| 1069 | Binop(wasm::kExprF32Le, left, right)); |
| 1070 | |
| 1071 | Diamond right_lt_left(graph(), jsgraph()->common(), |
| 1072 | Binop(wasm::kExprF32Lt, right, left)); |
| 1073 | |
| 1074 | Diamond left_is_not_nan(graph(), jsgraph()->common(), |
| 1075 | Binop(wasm::kExprF32Eq, left, left)); |
| 1076 | |
| 1077 | return left_le_right.Phi( |
| 1078 | wasm::kAstF32, left, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1079 | right_lt_left.Phi( |
| 1080 | wasm::kAstF32, right, |
| 1081 | left_is_not_nan.Phi( |
| 1082 | wasm::kAstF32, |
| 1083 | Binop(wasm::kExprF32Mul, right, Float32Constant(1.0)), |
| 1084 | Binop(wasm::kExprF32Mul, left, Float32Constant(1.0))))); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1085 | } |
| 1086 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1087 | Node* WasmGraphBuilder::BuildF32Max(Node* left, Node* right) { |
| 1088 | Diamond left_ge_right(graph(), jsgraph()->common(), |
| 1089 | Binop(wasm::kExprF32Ge, left, right)); |
| 1090 | |
| 1091 | Diamond right_gt_left(graph(), jsgraph()->common(), |
| 1092 | Binop(wasm::kExprF32Gt, right, left)); |
| 1093 | |
| 1094 | Diamond left_is_not_nan(graph(), jsgraph()->common(), |
| 1095 | Binop(wasm::kExprF32Eq, left, left)); |
| 1096 | |
| 1097 | return left_ge_right.Phi( |
| 1098 | wasm::kAstF32, left, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1099 | right_gt_left.Phi( |
| 1100 | wasm::kAstF32, right, |
| 1101 | left_is_not_nan.Phi( |
| 1102 | wasm::kAstF32, |
| 1103 | Binop(wasm::kExprF32Mul, right, Float32Constant(1.0)), |
| 1104 | Binop(wasm::kExprF32Mul, left, Float32Constant(1.0))))); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1105 | } |
| 1106 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1107 | Node* WasmGraphBuilder::BuildF64Min(Node* left, Node* right) { |
| 1108 | Diamond left_le_right(graph(), jsgraph()->common(), |
| 1109 | Binop(wasm::kExprF64Le, left, right)); |
| 1110 | |
| 1111 | Diamond right_lt_left(graph(), jsgraph()->common(), |
| 1112 | Binop(wasm::kExprF64Lt, right, left)); |
| 1113 | |
| 1114 | Diamond left_is_not_nan(graph(), jsgraph()->common(), |
| 1115 | Binop(wasm::kExprF64Eq, left, left)); |
| 1116 | |
| 1117 | return left_le_right.Phi( |
| 1118 | wasm::kAstF64, left, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1119 | right_lt_left.Phi( |
| 1120 | wasm::kAstF64, right, |
| 1121 | left_is_not_nan.Phi( |
| 1122 | wasm::kAstF64, |
| 1123 | Binop(wasm::kExprF64Mul, right, Float64Constant(1.0)), |
| 1124 | Binop(wasm::kExprF64Mul, left, Float64Constant(1.0))))); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1125 | } |
| 1126 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1127 | Node* WasmGraphBuilder::BuildF64Max(Node* left, Node* right) { |
| 1128 | Diamond left_ge_right(graph(), jsgraph()->common(), |
| 1129 | Binop(wasm::kExprF64Ge, left, right)); |
| 1130 | |
| 1131 | Diamond right_gt_left(graph(), jsgraph()->common(), |
| 1132 | Binop(wasm::kExprF64Lt, right, left)); |
| 1133 | |
| 1134 | Diamond left_is_not_nan(graph(), jsgraph()->common(), |
| 1135 | Binop(wasm::kExprF64Eq, left, left)); |
| 1136 | |
| 1137 | return left_ge_right.Phi( |
| 1138 | wasm::kAstF64, left, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1139 | right_gt_left.Phi( |
| 1140 | wasm::kAstF64, right, |
| 1141 | left_is_not_nan.Phi( |
| 1142 | wasm::kAstF64, |
| 1143 | Binop(wasm::kExprF64Mul, right, Float64Constant(1.0)), |
| 1144 | Binop(wasm::kExprF64Mul, left, Float64Constant(1.0))))); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1145 | } |
| 1146 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1147 | Node* WasmGraphBuilder::BuildI32SConvertF32(Node* input, |
| 1148 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1149 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1150 | // Truncation of the input value is needed for the overflow check later. |
| 1151 | Node* trunc = Unop(wasm::kExprF32Trunc, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1152 | Node* result = graph()->NewNode(m->TruncateFloat32ToInt32(), trunc); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1153 | |
| 1154 | // Convert the result back to f64. If we end up at a different value than the |
| 1155 | // truncated input value, then there has been an overflow and we trap. |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1156 | Node* check = Unop(wasm::kExprF32SConvertI32, result); |
| 1157 | Node* overflow = Binop(wasm::kExprF32Ne, trunc, check); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1158 | trap_->AddTrapIfTrue(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1159 | |
| 1160 | return result; |
| 1161 | } |
| 1162 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1163 | Node* WasmGraphBuilder::BuildI32SConvertF64(Node* input, |
| 1164 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1165 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1166 | // Truncation of the input value is needed for the overflow check later. |
| 1167 | Node* trunc = Unop(wasm::kExprF64Trunc, input); |
| 1168 | Node* result = graph()->NewNode(m->ChangeFloat64ToInt32(), trunc); |
| 1169 | |
| 1170 | // Convert the result back to f64. If we end up at a different value than the |
| 1171 | // truncated input value, then there has been an overflow and we trap. |
| 1172 | Node* check = Unop(wasm::kExprF64SConvertI32, result); |
| 1173 | Node* overflow = Binop(wasm::kExprF64Ne, trunc, check); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1174 | trap_->AddTrapIfTrue(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1175 | |
| 1176 | return result; |
| 1177 | } |
| 1178 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1179 | Node* WasmGraphBuilder::BuildI32UConvertF32(Node* input, |
| 1180 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1181 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1182 | // Truncation of the input value is needed for the overflow check later. |
| 1183 | Node* trunc = Unop(wasm::kExprF32Trunc, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1184 | Node* result = graph()->NewNode(m->TruncateFloat32ToUint32(), trunc); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1185 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1186 | // Convert the result back to f32. If we end up at a different value than the |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1187 | // truncated input value, then there has been an overflow and we trap. |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1188 | Node* check = Unop(wasm::kExprF32UConvertI32, result); |
| 1189 | Node* overflow = Binop(wasm::kExprF32Ne, trunc, check); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1190 | trap_->AddTrapIfTrue(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1191 | |
| 1192 | return result; |
| 1193 | } |
| 1194 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1195 | Node* WasmGraphBuilder::BuildI32UConvertF64(Node* input, |
| 1196 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1197 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1198 | // Truncation of the input value is needed for the overflow check later. |
| 1199 | Node* trunc = Unop(wasm::kExprF64Trunc, input); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1200 | Node* result = graph()->NewNode(m->TruncateFloat64ToUint32(), trunc); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1201 | |
| 1202 | // Convert the result back to f64. If we end up at a different value than the |
| 1203 | // truncated input value, then there has been an overflow and we trap. |
| 1204 | Node* check = Unop(wasm::kExprF64UConvertI32, result); |
| 1205 | Node* overflow = Binop(wasm::kExprF64Ne, trunc, check); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1206 | trap_->AddTrapIfTrue(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1207 | |
| 1208 | return result; |
| 1209 | } |
| 1210 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1211 | Node* WasmGraphBuilder::BuildI32AsmjsSConvertF32(Node* input) { |
| 1212 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1213 | // asm.js must use the wacky JS semantics. |
| 1214 | input = graph()->NewNode(m->ChangeFloat32ToFloat64(), input); |
| 1215 | return graph()->NewNode(m->TruncateFloat64ToWord32(), input); |
| 1216 | } |
| 1217 | |
| 1218 | Node* WasmGraphBuilder::BuildI32AsmjsSConvertF64(Node* input) { |
| 1219 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1220 | // asm.js must use the wacky JS semantics. |
| 1221 | return graph()->NewNode(m->TruncateFloat64ToWord32(), input); |
| 1222 | } |
| 1223 | |
| 1224 | Node* WasmGraphBuilder::BuildI32AsmjsUConvertF32(Node* input) { |
| 1225 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1226 | // asm.js must use the wacky JS semantics. |
| 1227 | input = graph()->NewNode(m->ChangeFloat32ToFloat64(), input); |
| 1228 | return graph()->NewNode(m->TruncateFloat64ToWord32(), input); |
| 1229 | } |
| 1230 | |
| 1231 | Node* WasmGraphBuilder::BuildI32AsmjsUConvertF64(Node* input) { |
| 1232 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1233 | // asm.js must use the wacky JS semantics. |
| 1234 | return graph()->NewNode(m->TruncateFloat64ToWord32(), input); |
| 1235 | } |
| 1236 | |
| 1237 | Node* WasmGraphBuilder::BuildBitCountingCall(Node* input, ExternalReference ref, |
| 1238 | MachineRepresentation input_type) { |
| 1239 | Node* stack_slot_param = |
| 1240 | graph()->NewNode(jsgraph()->machine()->StackSlot(input_type)); |
| 1241 | |
| 1242 | const Operator* store_op = jsgraph()->machine()->Store( |
| 1243 | StoreRepresentation(input_type, kNoWriteBarrier)); |
| 1244 | *effect_ = |
| 1245 | graph()->NewNode(store_op, stack_slot_param, jsgraph()->Int32Constant(0), |
| 1246 | input, *effect_, *control_); |
| 1247 | |
| 1248 | MachineSignature::Builder sig_builder(jsgraph()->zone(), 1, 1); |
| 1249 | sig_builder.AddReturn(MachineType::Int32()); |
| 1250 | sig_builder.AddParam(MachineType::Pointer()); |
| 1251 | |
| 1252 | Node* function = graph()->NewNode(jsgraph()->common()->ExternalConstant(ref)); |
| 1253 | Node* args[] = {function, stack_slot_param}; |
| 1254 | |
| 1255 | return BuildCCall(sig_builder.Build(), args); |
| 1256 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1257 | |
| 1258 | Node* WasmGraphBuilder::BuildI32Ctz(Node* input) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1259 | return BuildBitCountingCall( |
| 1260 | input, ExternalReference::wasm_word32_ctz(jsgraph()->isolate()), |
| 1261 | MachineRepresentation::kWord32); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1262 | } |
| 1263 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1264 | Node* WasmGraphBuilder::BuildI64Ctz(Node* input) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1265 | return Unop(wasm::kExprI64UConvertI32, |
| 1266 | BuildBitCountingCall(input, ExternalReference::wasm_word64_ctz( |
| 1267 | jsgraph()->isolate()), |
| 1268 | MachineRepresentation::kWord64)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1269 | } |
| 1270 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1271 | Node* WasmGraphBuilder::BuildI32Popcnt(Node* input) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1272 | return BuildBitCountingCall( |
| 1273 | input, ExternalReference::wasm_word32_popcnt(jsgraph()->isolate()), |
| 1274 | MachineRepresentation::kWord32); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1275 | } |
| 1276 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1277 | Node* WasmGraphBuilder::BuildI64Popcnt(Node* input) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1278 | return Unop(wasm::kExprI64UConvertI32, |
| 1279 | BuildBitCountingCall(input, ExternalReference::wasm_word64_popcnt( |
| 1280 | jsgraph()->isolate()), |
| 1281 | MachineRepresentation::kWord64)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1282 | } |
| 1283 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1284 | Node* WasmGraphBuilder::BuildF32Trunc(Node* input) { |
| 1285 | MachineType type = MachineType::Float32(); |
| 1286 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1287 | ExternalReference::wasm_f32_trunc(jsgraph()->isolate()); |
| 1288 | |
| 1289 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1290 | } |
| 1291 | |
| 1292 | Node* WasmGraphBuilder::BuildF32Floor(Node* input) { |
| 1293 | MachineType type = MachineType::Float32(); |
| 1294 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1295 | ExternalReference::wasm_f32_floor(jsgraph()->isolate()); |
| 1296 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1297 | } |
| 1298 | |
| 1299 | Node* WasmGraphBuilder::BuildF32Ceil(Node* input) { |
| 1300 | MachineType type = MachineType::Float32(); |
| 1301 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1302 | ExternalReference::wasm_f32_ceil(jsgraph()->isolate()); |
| 1303 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1304 | } |
| 1305 | |
| 1306 | Node* WasmGraphBuilder::BuildF32NearestInt(Node* input) { |
| 1307 | MachineType type = MachineType::Float32(); |
| 1308 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1309 | ExternalReference::wasm_f32_nearest_int(jsgraph()->isolate()); |
| 1310 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1311 | } |
| 1312 | |
| 1313 | Node* WasmGraphBuilder::BuildF64Trunc(Node* input) { |
| 1314 | MachineType type = MachineType::Float64(); |
| 1315 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1316 | ExternalReference::wasm_f64_trunc(jsgraph()->isolate()); |
| 1317 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1318 | } |
| 1319 | |
| 1320 | Node* WasmGraphBuilder::BuildF64Floor(Node* input) { |
| 1321 | MachineType type = MachineType::Float64(); |
| 1322 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1323 | ExternalReference::wasm_f64_floor(jsgraph()->isolate()); |
| 1324 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1325 | } |
| 1326 | |
| 1327 | Node* WasmGraphBuilder::BuildF64Ceil(Node* input) { |
| 1328 | MachineType type = MachineType::Float64(); |
| 1329 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1330 | ExternalReference::wasm_f64_ceil(jsgraph()->isolate()); |
| 1331 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1332 | } |
| 1333 | |
| 1334 | Node* WasmGraphBuilder::BuildF64NearestInt(Node* input) { |
| 1335 | MachineType type = MachineType::Float64(); |
| 1336 | ExternalReference ref = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1337 | ExternalReference::wasm_f64_nearest_int(jsgraph()->isolate()); |
| 1338 | return BuildCFuncInstruction(ref, type, input); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1339 | } |
| 1340 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1341 | Node* WasmGraphBuilder::BuildF64Acos(Node* input) { |
| 1342 | MachineType type = MachineType::Float64(); |
| 1343 | ExternalReference ref = |
| 1344 | ExternalReference::f64_acos_wrapper_function(jsgraph()->isolate()); |
| 1345 | return BuildCFuncInstruction(ref, type, input); |
| 1346 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1347 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1348 | Node* WasmGraphBuilder::BuildF64Asin(Node* input) { |
| 1349 | MachineType type = MachineType::Float64(); |
| 1350 | ExternalReference ref = |
| 1351 | ExternalReference::f64_asin_wrapper_function(jsgraph()->isolate()); |
| 1352 | return BuildCFuncInstruction(ref, type, input); |
| 1353 | } |
| 1354 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1355 | Node* WasmGraphBuilder::BuildF64Pow(Node* left, Node* right) { |
| 1356 | MachineType type = MachineType::Float64(); |
| 1357 | ExternalReference ref = |
| 1358 | ExternalReference::f64_pow_wrapper_function(jsgraph()->isolate()); |
| 1359 | return BuildCFuncInstruction(ref, type, left, right); |
| 1360 | } |
| 1361 | |
| 1362 | Node* WasmGraphBuilder::BuildF64Mod(Node* left, Node* right) { |
| 1363 | MachineType type = MachineType::Float64(); |
| 1364 | ExternalReference ref = |
| 1365 | ExternalReference::f64_mod_wrapper_function(jsgraph()->isolate()); |
| 1366 | return BuildCFuncInstruction(ref, type, left, right); |
| 1367 | } |
| 1368 | |
| 1369 | Node* WasmGraphBuilder::BuildCFuncInstruction(ExternalReference ref, |
| 1370 | MachineType type, Node* input0, |
| 1371 | Node* input1) { |
| 1372 | // We do truncation by calling a C function which calculates the result. |
| 1373 | // The input is passed to the C function as a double*'s to avoid double |
| 1374 | // parameters. For this we reserve slots on the stack, store the parameters |
| 1375 | // in those slots, pass pointers to the slot to the C function, |
| 1376 | // and after calling the C function we collect the return value from |
| 1377 | // the stack slot. |
| 1378 | |
| 1379 | Node* stack_slot_param0 = |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1380 | graph()->NewNode(jsgraph()->machine()->StackSlot(type.representation())); |
| 1381 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1382 | const Operator* store_op0 = jsgraph()->machine()->Store( |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1383 | StoreRepresentation(type.representation(), kNoWriteBarrier)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1384 | *effect_ = graph()->NewNode(store_op0, stack_slot_param0, |
| 1385 | jsgraph()->Int32Constant(0), input0, *effect_, |
| 1386 | *control_); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1387 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1388 | Node* function = graph()->NewNode(jsgraph()->common()->ExternalConstant(ref)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1389 | Node** args = Buffer(5); |
| 1390 | args[0] = function; |
| 1391 | args[1] = stack_slot_param0; |
| 1392 | int input_count = 1; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1393 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1394 | if (input1 != nullptr) { |
| 1395 | Node* stack_slot_param1 = graph()->NewNode( |
| 1396 | jsgraph()->machine()->StackSlot(type.representation())); |
| 1397 | const Operator* store_op1 = jsgraph()->machine()->Store( |
| 1398 | StoreRepresentation(type.representation(), kNoWriteBarrier)); |
| 1399 | *effect_ = graph()->NewNode(store_op1, stack_slot_param1, |
| 1400 | jsgraph()->Int32Constant(0), input1, *effect_, |
| 1401 | *control_); |
| 1402 | args[2] = stack_slot_param1; |
| 1403 | ++input_count; |
| 1404 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1405 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1406 | Signature<MachineType>::Builder sig_builder(jsgraph()->zone(), 0, |
| 1407 | input_count); |
| 1408 | sig_builder.AddParam(MachineType::Pointer()); |
| 1409 | if (input1 != nullptr) { |
| 1410 | sig_builder.AddParam(MachineType::Pointer()); |
| 1411 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1412 | BuildCCall(sig_builder.Build(), args); |
| 1413 | |
| 1414 | const Operator* load_op = jsgraph()->machine()->Load(type); |
| 1415 | |
| 1416 | Node* load = |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1417 | graph()->NewNode(load_op, stack_slot_param0, jsgraph()->Int32Constant(0), |
| 1418 | *effect_, *control_); |
| 1419 | *effect_ = load; |
| 1420 | return load; |
| 1421 | } |
| 1422 | |
| 1423 | Node* WasmGraphBuilder::BuildF32SConvertI64(Node* input) { |
| 1424 | // TODO(titzer/bradnelson): Check handlng of asm.js case. |
| 1425 | return BuildIntToFloatConversionInstruction( |
| 1426 | input, ExternalReference::wasm_int64_to_float32(jsgraph()->isolate()), |
| 1427 | MachineRepresentation::kWord64, MachineType::Float32()); |
| 1428 | } |
| 1429 | Node* WasmGraphBuilder::BuildF32UConvertI64(Node* input) { |
| 1430 | // TODO(titzer/bradnelson): Check handlng of asm.js case. |
| 1431 | return BuildIntToFloatConversionInstruction( |
| 1432 | input, ExternalReference::wasm_uint64_to_float32(jsgraph()->isolate()), |
| 1433 | MachineRepresentation::kWord64, MachineType::Float32()); |
| 1434 | } |
| 1435 | Node* WasmGraphBuilder::BuildF64SConvertI64(Node* input) { |
| 1436 | return BuildIntToFloatConversionInstruction( |
| 1437 | input, ExternalReference::wasm_int64_to_float64(jsgraph()->isolate()), |
| 1438 | MachineRepresentation::kWord64, MachineType::Float64()); |
| 1439 | } |
| 1440 | Node* WasmGraphBuilder::BuildF64UConvertI64(Node* input) { |
| 1441 | return BuildIntToFloatConversionInstruction( |
| 1442 | input, ExternalReference::wasm_uint64_to_float64(jsgraph()->isolate()), |
| 1443 | MachineRepresentation::kWord64, MachineType::Float64()); |
| 1444 | } |
| 1445 | |
| 1446 | Node* WasmGraphBuilder::BuildIntToFloatConversionInstruction( |
| 1447 | Node* input, ExternalReference ref, |
| 1448 | MachineRepresentation parameter_representation, |
| 1449 | const MachineType result_type) { |
| 1450 | Node* stack_slot_param = graph()->NewNode( |
| 1451 | jsgraph()->machine()->StackSlot(parameter_representation)); |
| 1452 | Node* stack_slot_result = graph()->NewNode( |
| 1453 | jsgraph()->machine()->StackSlot(result_type.representation())); |
| 1454 | const Operator* store_op = jsgraph()->machine()->Store( |
| 1455 | StoreRepresentation(parameter_representation, kNoWriteBarrier)); |
| 1456 | *effect_ = |
| 1457 | graph()->NewNode(store_op, stack_slot_param, jsgraph()->Int32Constant(0), |
| 1458 | input, *effect_, *control_); |
| 1459 | MachineSignature::Builder sig_builder(jsgraph()->zone(), 0, 2); |
| 1460 | sig_builder.AddParam(MachineType::Pointer()); |
| 1461 | sig_builder.AddParam(MachineType::Pointer()); |
| 1462 | Node* function = graph()->NewNode(jsgraph()->common()->ExternalConstant(ref)); |
| 1463 | Node* args[] = {function, stack_slot_param, stack_slot_result}; |
| 1464 | BuildCCall(sig_builder.Build(), args); |
| 1465 | const Operator* load_op = jsgraph()->machine()->Load(result_type); |
| 1466 | Node* load = |
| 1467 | graph()->NewNode(load_op, stack_slot_result, jsgraph()->Int32Constant(0), |
| 1468 | *effect_, *control_); |
| 1469 | *effect_ = load; |
| 1470 | return load; |
| 1471 | } |
| 1472 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1473 | Node* WasmGraphBuilder::BuildI64SConvertF32(Node* input, |
| 1474 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1475 | if (jsgraph()->machine()->Is32()) { |
| 1476 | return BuildFloatToIntConversionInstruction( |
| 1477 | input, ExternalReference::wasm_float32_to_int64(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1478 | MachineRepresentation::kFloat32, MachineType::Int64(), position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1479 | } else { |
| 1480 | Node* trunc = graph()->NewNode( |
| 1481 | jsgraph()->machine()->TryTruncateFloat32ToInt64(), input); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1482 | Node* result = graph()->NewNode(jsgraph()->common()->Projection(0), trunc, |
| 1483 | graph()->start()); |
| 1484 | Node* overflow = graph()->NewNode(jsgraph()->common()->Projection(1), trunc, |
| 1485 | graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1486 | trap_->ZeroCheck64(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1487 | return result; |
| 1488 | } |
| 1489 | } |
| 1490 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1491 | Node* WasmGraphBuilder::BuildI64UConvertF32(Node* input, |
| 1492 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1493 | if (jsgraph()->machine()->Is32()) { |
| 1494 | return BuildFloatToIntConversionInstruction( |
| 1495 | input, ExternalReference::wasm_float32_to_uint64(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1496 | MachineRepresentation::kFloat32, MachineType::Int64(), position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1497 | } else { |
| 1498 | Node* trunc = graph()->NewNode( |
| 1499 | jsgraph()->machine()->TryTruncateFloat32ToUint64(), input); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1500 | Node* result = graph()->NewNode(jsgraph()->common()->Projection(0), trunc, |
| 1501 | graph()->start()); |
| 1502 | Node* overflow = graph()->NewNode(jsgraph()->common()->Projection(1), trunc, |
| 1503 | graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1504 | trap_->ZeroCheck64(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1505 | return result; |
| 1506 | } |
| 1507 | } |
| 1508 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1509 | Node* WasmGraphBuilder::BuildI64SConvertF64(Node* input, |
| 1510 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1511 | if (jsgraph()->machine()->Is32()) { |
| 1512 | return BuildFloatToIntConversionInstruction( |
| 1513 | input, ExternalReference::wasm_float64_to_int64(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1514 | MachineRepresentation::kFloat64, MachineType::Int64(), position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1515 | } else { |
| 1516 | Node* trunc = graph()->NewNode( |
| 1517 | jsgraph()->machine()->TryTruncateFloat64ToInt64(), input); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1518 | Node* result = graph()->NewNode(jsgraph()->common()->Projection(0), trunc, |
| 1519 | graph()->start()); |
| 1520 | Node* overflow = graph()->NewNode(jsgraph()->common()->Projection(1), trunc, |
| 1521 | graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1522 | trap_->ZeroCheck64(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1523 | return result; |
| 1524 | } |
| 1525 | } |
| 1526 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1527 | Node* WasmGraphBuilder::BuildI64UConvertF64(Node* input, |
| 1528 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1529 | if (jsgraph()->machine()->Is32()) { |
| 1530 | return BuildFloatToIntConversionInstruction( |
| 1531 | input, ExternalReference::wasm_float64_to_uint64(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1532 | MachineRepresentation::kFloat64, MachineType::Int64(), position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1533 | } else { |
| 1534 | Node* trunc = graph()->NewNode( |
| 1535 | jsgraph()->machine()->TryTruncateFloat64ToUint64(), input); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1536 | Node* result = graph()->NewNode(jsgraph()->common()->Projection(0), trunc, |
| 1537 | graph()->start()); |
| 1538 | Node* overflow = graph()->NewNode(jsgraph()->common()->Projection(1), trunc, |
| 1539 | graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1540 | trap_->ZeroCheck64(wasm::kTrapFloatUnrepresentable, overflow, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1541 | return result; |
| 1542 | } |
| 1543 | } |
| 1544 | |
| 1545 | Node* WasmGraphBuilder::BuildFloatToIntConversionInstruction( |
| 1546 | Node* input, ExternalReference ref, |
| 1547 | MachineRepresentation parameter_representation, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1548 | const MachineType result_type, wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1549 | Node* stack_slot_param = graph()->NewNode( |
| 1550 | jsgraph()->machine()->StackSlot(parameter_representation)); |
| 1551 | Node* stack_slot_result = graph()->NewNode( |
| 1552 | jsgraph()->machine()->StackSlot(result_type.representation())); |
| 1553 | const Operator* store_op = jsgraph()->machine()->Store( |
| 1554 | StoreRepresentation(parameter_representation, kNoWriteBarrier)); |
| 1555 | *effect_ = |
| 1556 | graph()->NewNode(store_op, stack_slot_param, jsgraph()->Int32Constant(0), |
| 1557 | input, *effect_, *control_); |
| 1558 | MachineSignature::Builder sig_builder(jsgraph()->zone(), 1, 2); |
| 1559 | sig_builder.AddReturn(MachineType::Int32()); |
| 1560 | sig_builder.AddParam(MachineType::Pointer()); |
| 1561 | sig_builder.AddParam(MachineType::Pointer()); |
| 1562 | Node* function = graph()->NewNode(jsgraph()->common()->ExternalConstant(ref)); |
| 1563 | Node* args[] = {function, stack_slot_param, stack_slot_result}; |
| 1564 | trap_->ZeroCheck32(wasm::kTrapFloatUnrepresentable, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1565 | BuildCCall(sig_builder.Build(), args), position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1566 | const Operator* load_op = jsgraph()->machine()->Load(result_type); |
| 1567 | Node* load = |
| 1568 | graph()->NewNode(load_op, stack_slot_result, jsgraph()->Int32Constant(0), |
| 1569 | *effect_, *control_); |
| 1570 | *effect_ = load; |
| 1571 | return load; |
| 1572 | } |
| 1573 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1574 | Node* WasmGraphBuilder::BuildI32DivS(Node* left, Node* right, |
| 1575 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1576 | MachineOperatorBuilder* m = jsgraph()->machine(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1577 | trap_->ZeroCheck32(wasm::kTrapDivByZero, right, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1578 | Node* before = *control_; |
| 1579 | Node* denom_is_m1; |
| 1580 | Node* denom_is_not_m1; |
| 1581 | Branch( |
| 1582 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(-1)), |
| 1583 | &denom_is_m1, &denom_is_not_m1); |
| 1584 | *control_ = denom_is_m1; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1585 | trap_->TrapIfEq32(wasm::kTrapDivUnrepresentable, left, kMinInt, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1586 | if (*control_ != denom_is_m1) { |
| 1587 | *control_ = graph()->NewNode(jsgraph()->common()->Merge(2), denom_is_not_m1, |
| 1588 | *control_); |
| 1589 | } else { |
| 1590 | *control_ = before; |
| 1591 | } |
| 1592 | return graph()->NewNode(m->Int32Div(), left, right, *control_); |
| 1593 | } |
| 1594 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1595 | Node* WasmGraphBuilder::BuildI32RemS(Node* left, Node* right, |
| 1596 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1597 | MachineOperatorBuilder* m = jsgraph()->machine(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1598 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1599 | trap_->ZeroCheck32(wasm::kTrapRemByZero, right, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1600 | |
| 1601 | Diamond d( |
| 1602 | graph(), jsgraph()->common(), |
| 1603 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(-1)), |
| 1604 | BranchHint::kFalse); |
| 1605 | d.Chain(*control_); |
| 1606 | |
| 1607 | return d.Phi(MachineRepresentation::kWord32, jsgraph()->Int32Constant(0), |
| 1608 | graph()->NewNode(m->Int32Mod(), left, right, d.if_false)); |
| 1609 | } |
| 1610 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1611 | Node* WasmGraphBuilder::BuildI32DivU(Node* left, Node* right, |
| 1612 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1613 | MachineOperatorBuilder* m = jsgraph()->machine(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1614 | return graph()->NewNode( |
| 1615 | m->Uint32Div(), left, right, |
| 1616 | trap_->ZeroCheck32(wasm::kTrapDivByZero, right, position)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1617 | } |
| 1618 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1619 | Node* WasmGraphBuilder::BuildI32RemU(Node* left, Node* right, |
| 1620 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1621 | MachineOperatorBuilder* m = jsgraph()->machine(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1622 | return graph()->NewNode( |
| 1623 | m->Uint32Mod(), left, right, |
| 1624 | trap_->ZeroCheck32(wasm::kTrapRemByZero, right, position)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1625 | } |
| 1626 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1627 | Node* WasmGraphBuilder::BuildI32AsmjsDivS(Node* left, Node* right) { |
| 1628 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1629 | // asm.js semantics return 0 on divide or mod by zero. |
| 1630 | if (m->Int32DivIsSafe()) { |
| 1631 | // The hardware instruction does the right thing (e.g. arm). |
| 1632 | return graph()->NewNode(m->Int32Div(), left, right, graph()->start()); |
| 1633 | } |
| 1634 | |
| 1635 | // Check denominator for zero. |
| 1636 | Diamond z( |
| 1637 | graph(), jsgraph()->common(), |
| 1638 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(0)), |
| 1639 | BranchHint::kFalse); |
| 1640 | |
| 1641 | // Check numerator for -1. (avoid minint / -1 case). |
| 1642 | Diamond n( |
| 1643 | graph(), jsgraph()->common(), |
| 1644 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(-1)), |
| 1645 | BranchHint::kFalse); |
| 1646 | |
| 1647 | Node* div = graph()->NewNode(m->Int32Div(), left, right, z.if_false); |
| 1648 | Node* neg = |
| 1649 | graph()->NewNode(m->Int32Sub(), jsgraph()->Int32Constant(0), left); |
| 1650 | |
| 1651 | return n.Phi( |
| 1652 | MachineRepresentation::kWord32, neg, |
| 1653 | z.Phi(MachineRepresentation::kWord32, jsgraph()->Int32Constant(0), div)); |
| 1654 | } |
| 1655 | |
| 1656 | Node* WasmGraphBuilder::BuildI32AsmjsRemS(Node* left, Node* right) { |
| 1657 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1658 | // asm.js semantics return 0 on divide or mod by zero. |
| 1659 | // Explicit check for x % 0. |
| 1660 | Diamond z( |
| 1661 | graph(), jsgraph()->common(), |
| 1662 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(0)), |
| 1663 | BranchHint::kFalse); |
| 1664 | |
| 1665 | // Explicit check for x % -1. |
| 1666 | Diamond d( |
| 1667 | graph(), jsgraph()->common(), |
| 1668 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(-1)), |
| 1669 | BranchHint::kFalse); |
| 1670 | d.Chain(z.if_false); |
| 1671 | |
| 1672 | return z.Phi( |
| 1673 | MachineRepresentation::kWord32, jsgraph()->Int32Constant(0), |
| 1674 | d.Phi(MachineRepresentation::kWord32, jsgraph()->Int32Constant(0), |
| 1675 | graph()->NewNode(m->Int32Mod(), left, right, d.if_false))); |
| 1676 | } |
| 1677 | |
| 1678 | Node* WasmGraphBuilder::BuildI32AsmjsDivU(Node* left, Node* right) { |
| 1679 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1680 | // asm.js semantics return 0 on divide or mod by zero. |
| 1681 | if (m->Uint32DivIsSafe()) { |
| 1682 | // The hardware instruction does the right thing (e.g. arm). |
| 1683 | return graph()->NewNode(m->Uint32Div(), left, right, graph()->start()); |
| 1684 | } |
| 1685 | |
| 1686 | // Explicit check for x % 0. |
| 1687 | Diamond z( |
| 1688 | graph(), jsgraph()->common(), |
| 1689 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(0)), |
| 1690 | BranchHint::kFalse); |
| 1691 | |
| 1692 | return z.Phi(MachineRepresentation::kWord32, jsgraph()->Int32Constant(0), |
| 1693 | graph()->NewNode(jsgraph()->machine()->Uint32Div(), left, right, |
| 1694 | z.if_false)); |
| 1695 | } |
| 1696 | |
| 1697 | Node* WasmGraphBuilder::BuildI32AsmjsRemU(Node* left, Node* right) { |
| 1698 | MachineOperatorBuilder* m = jsgraph()->machine(); |
| 1699 | // asm.js semantics return 0 on divide or mod by zero. |
| 1700 | // Explicit check for x % 0. |
| 1701 | Diamond z( |
| 1702 | graph(), jsgraph()->common(), |
| 1703 | graph()->NewNode(m->Word32Equal(), right, jsgraph()->Int32Constant(0)), |
| 1704 | BranchHint::kFalse); |
| 1705 | |
| 1706 | Node* rem = graph()->NewNode(jsgraph()->machine()->Uint32Mod(), left, right, |
| 1707 | z.if_false); |
| 1708 | return z.Phi(MachineRepresentation::kWord32, jsgraph()->Int32Constant(0), |
| 1709 | rem); |
| 1710 | } |
| 1711 | |
| 1712 | Node* WasmGraphBuilder::BuildI64DivS(Node* left, Node* right, |
| 1713 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1714 | if (jsgraph()->machine()->Is32()) { |
| 1715 | return BuildDiv64Call( |
| 1716 | left, right, ExternalReference::wasm_int64_div(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1717 | MachineType::Int64(), wasm::kTrapDivByZero, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1718 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1719 | trap_->ZeroCheck64(wasm::kTrapDivByZero, right, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1720 | Node* before = *control_; |
| 1721 | Node* denom_is_m1; |
| 1722 | Node* denom_is_not_m1; |
| 1723 | Branch(graph()->NewNode(jsgraph()->machine()->Word64Equal(), right, |
| 1724 | jsgraph()->Int64Constant(-1)), |
| 1725 | &denom_is_m1, &denom_is_not_m1); |
| 1726 | *control_ = denom_is_m1; |
| 1727 | trap_->TrapIfEq64(wasm::kTrapDivUnrepresentable, left, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1728 | std::numeric_limits<int64_t>::min(), position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1729 | if (*control_ != denom_is_m1) { |
| 1730 | *control_ = graph()->NewNode(jsgraph()->common()->Merge(2), denom_is_not_m1, |
| 1731 | *control_); |
| 1732 | } else { |
| 1733 | *control_ = before; |
| 1734 | } |
| 1735 | return graph()->NewNode(jsgraph()->machine()->Int64Div(), left, right, |
| 1736 | *control_); |
| 1737 | } |
| 1738 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1739 | Node* WasmGraphBuilder::BuildI64RemS(Node* left, Node* right, |
| 1740 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1741 | if (jsgraph()->machine()->Is32()) { |
| 1742 | return BuildDiv64Call( |
| 1743 | left, right, ExternalReference::wasm_int64_mod(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1744 | MachineType::Int64(), wasm::kTrapRemByZero, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1745 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1746 | trap_->ZeroCheck64(wasm::kTrapRemByZero, right, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1747 | Diamond d(jsgraph()->graph(), jsgraph()->common(), |
| 1748 | graph()->NewNode(jsgraph()->machine()->Word64Equal(), right, |
| 1749 | jsgraph()->Int64Constant(-1))); |
| 1750 | |
| 1751 | Node* rem = graph()->NewNode(jsgraph()->machine()->Int64Mod(), left, right, |
| 1752 | d.if_false); |
| 1753 | |
| 1754 | return d.Phi(MachineRepresentation::kWord64, jsgraph()->Int64Constant(0), |
| 1755 | rem); |
| 1756 | } |
| 1757 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1758 | Node* WasmGraphBuilder::BuildI64DivU(Node* left, Node* right, |
| 1759 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1760 | if (jsgraph()->machine()->Is32()) { |
| 1761 | return BuildDiv64Call( |
| 1762 | left, right, ExternalReference::wasm_uint64_div(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1763 | MachineType::Int64(), wasm::kTrapDivByZero, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1764 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1765 | return graph()->NewNode( |
| 1766 | jsgraph()->machine()->Uint64Div(), left, right, |
| 1767 | trap_->ZeroCheck64(wasm::kTrapDivByZero, right, position)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1768 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1769 | Node* WasmGraphBuilder::BuildI64RemU(Node* left, Node* right, |
| 1770 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1771 | if (jsgraph()->machine()->Is32()) { |
| 1772 | return BuildDiv64Call( |
| 1773 | left, right, ExternalReference::wasm_uint64_mod(jsgraph()->isolate()), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1774 | MachineType::Int64(), wasm::kTrapRemByZero, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1775 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1776 | return graph()->NewNode( |
| 1777 | jsgraph()->machine()->Uint64Mod(), left, right, |
| 1778 | trap_->ZeroCheck64(wasm::kTrapRemByZero, right, position)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1779 | } |
| 1780 | |
| 1781 | Node* WasmGraphBuilder::BuildDiv64Call(Node* left, Node* right, |
| 1782 | ExternalReference ref, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1783 | MachineType result_type, int trap_zero, |
| 1784 | wasm::WasmCodePosition position) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1785 | Node* stack_slot_dst = graph()->NewNode( |
| 1786 | jsgraph()->machine()->StackSlot(MachineRepresentation::kWord64)); |
| 1787 | Node* stack_slot_src = graph()->NewNode( |
| 1788 | jsgraph()->machine()->StackSlot(MachineRepresentation::kWord64)); |
| 1789 | |
| 1790 | const Operator* store_op = jsgraph()->machine()->Store( |
| 1791 | StoreRepresentation(MachineRepresentation::kWord64, kNoWriteBarrier)); |
| 1792 | *effect_ = |
| 1793 | graph()->NewNode(store_op, stack_slot_dst, jsgraph()->Int32Constant(0), |
| 1794 | left, *effect_, *control_); |
| 1795 | *effect_ = |
| 1796 | graph()->NewNode(store_op, stack_slot_src, jsgraph()->Int32Constant(0), |
| 1797 | right, *effect_, *control_); |
| 1798 | |
| 1799 | MachineSignature::Builder sig_builder(jsgraph()->zone(), 1, 2); |
| 1800 | sig_builder.AddReturn(MachineType::Int32()); |
| 1801 | sig_builder.AddParam(MachineType::Pointer()); |
| 1802 | sig_builder.AddParam(MachineType::Pointer()); |
| 1803 | |
| 1804 | Node* function = graph()->NewNode(jsgraph()->common()->ExternalConstant(ref)); |
| 1805 | Node* args[] = {function, stack_slot_dst, stack_slot_src}; |
| 1806 | |
| 1807 | Node* call = BuildCCall(sig_builder.Build(), args); |
| 1808 | |
| 1809 | // TODO(wasm): This can get simpler if we have a specialized runtime call to |
| 1810 | // throw WASM exceptions by trap code instead of by string. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1811 | trap_->ZeroCheck32(static_cast<wasm::TrapReason>(trap_zero), call, position); |
| 1812 | trap_->TrapIfEq32(wasm::kTrapDivUnrepresentable, call, -1, position); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1813 | const Operator* load_op = jsgraph()->machine()->Load(result_type); |
| 1814 | Node* load = |
| 1815 | graph()->NewNode(load_op, stack_slot_dst, jsgraph()->Int32Constant(0), |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1816 | *effect_, *control_); |
| 1817 | *effect_ = load; |
| 1818 | return load; |
| 1819 | } |
| 1820 | |
| 1821 | Node* WasmGraphBuilder::BuildCCall(MachineSignature* sig, Node** args) { |
| 1822 | const size_t params = sig->parameter_count(); |
| 1823 | const size_t extra = 2; // effect and control inputs. |
| 1824 | const size_t count = 1 + params + extra; |
| 1825 | |
| 1826 | // Reallocate the buffer to make space for extra inputs. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1827 | args = Realloc(args, 1 + params, count); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1828 | |
| 1829 | // Add effect and control inputs. |
| 1830 | args[params + 1] = *effect_; |
| 1831 | args[params + 2] = *control_; |
| 1832 | |
| 1833 | CallDescriptor* desc = |
| 1834 | Linkage::GetSimplifiedCDescriptor(jsgraph()->zone(), sig); |
| 1835 | |
| 1836 | const Operator* op = jsgraph()->common()->Call(desc); |
| 1837 | Node* call = graph()->NewNode(op, static_cast<int>(count), args); |
| 1838 | *effect_ = call; |
| 1839 | return call; |
| 1840 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1841 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1842 | Node* WasmGraphBuilder::BuildWasmCall(wasm::FunctionSig* sig, Node** args, |
| 1843 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1844 | const size_t params = sig->parameter_count(); |
| 1845 | const size_t extra = 2; // effect and control inputs. |
| 1846 | const size_t count = 1 + params + extra; |
| 1847 | |
| 1848 | // Reallocate the buffer to make space for extra inputs. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1849 | args = Realloc(args, 1 + params, count); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1850 | |
| 1851 | // Add effect and control inputs. |
| 1852 | args[params + 1] = *effect_; |
| 1853 | args[params + 2] = *control_; |
| 1854 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1855 | CallDescriptor* descriptor = |
| 1856 | wasm::ModuleEnv::GetWasmCallDescriptor(jsgraph()->zone(), sig); |
| 1857 | const Operator* op = jsgraph()->common()->Call(descriptor); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1858 | Node* call = graph()->NewNode(op, static_cast<int>(count), args); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1859 | SetSourcePosition(call, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1860 | |
| 1861 | *effect_ = call; |
| 1862 | return call; |
| 1863 | } |
| 1864 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1865 | Node* WasmGraphBuilder::CallDirect(uint32_t index, Node** args, |
| 1866 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1867 | DCHECK_NULL(args[0]); |
| 1868 | |
| 1869 | // Add code object as constant. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1870 | args[0] = HeapConstant(module_->GetCodeOrPlaceholder(index)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1871 | wasm::FunctionSig* sig = module_->GetFunctionSignature(index); |
| 1872 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1873 | return BuildWasmCall(sig, args, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1874 | } |
| 1875 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1876 | Node* WasmGraphBuilder::CallImport(uint32_t index, Node** args, |
| 1877 | wasm::WasmCodePosition position) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1878 | DCHECK_NULL(args[0]); |
| 1879 | |
| 1880 | // Add code object as constant. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1881 | args[0] = HeapConstant(module_->GetImportCode(index)); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1882 | wasm::FunctionSig* sig = module_->GetImportSignature(index); |
| 1883 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1884 | return BuildWasmCall(sig, args, position); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1885 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1886 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1887 | Node* WasmGraphBuilder::CallIndirect(uint32_t index, Node** args, |
| 1888 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1889 | DCHECK_NOT_NULL(args[0]); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1890 | DCHECK(module_ && module_->instance); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1891 | |
| 1892 | MachineOperatorBuilder* machine = jsgraph()->machine(); |
| 1893 | |
| 1894 | // Compute the code object by loading it from the function table. |
| 1895 | Node* key = args[0]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1896 | |
| 1897 | // Bounds check the index. |
| 1898 | int table_size = static_cast<int>(module_->FunctionTableSize()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1899 | if (table_size > 0) { |
| 1900 | // Bounds check against the table size. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1901 | Node* size = Int32Constant(static_cast<int>(table_size)); |
| 1902 | Node* in_bounds = graph()->NewNode(machine->Uint32LessThan(), key, size); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1903 | trap_->AddTrapIfFalse(wasm::kTrapFuncInvalid, in_bounds, position); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1904 | } else { |
| 1905 | // No function table. Generate a trap and return a constant. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1906 | trap_->AddTrapIfFalse(wasm::kTrapFuncInvalid, Int32Constant(0), position); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1907 | return trap_->GetTrapValue(module_->GetSignature(index)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1908 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1909 | Node* table = FunctionTable(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1910 | |
| 1911 | // Load signature from the table and check. |
| 1912 | // The table is a FixedArray; signatures are encoded as SMIs. |
| 1913 | // [sig1, sig2, sig3, ...., code1, code2, code3 ...] |
| 1914 | ElementAccess access = AccessBuilder::ForFixedArrayElement(); |
| 1915 | const int fixed_offset = access.header_size - access.tag(); |
| 1916 | { |
| 1917 | Node* load_sig = graph()->NewNode( |
| 1918 | machine->Load(MachineType::AnyTagged()), table, |
| 1919 | graph()->NewNode(machine->Int32Add(), |
| 1920 | graph()->NewNode(machine->Word32Shl(), key, |
| 1921 | Int32Constant(kPointerSizeLog2)), |
| 1922 | Int32Constant(fixed_offset)), |
| 1923 | *effect_, *control_); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1924 | Node* sig_match = |
| 1925 | graph()->NewNode(machine->Word32Equal(), |
| 1926 | BuildChangeSmiToInt32(load_sig), Int32Constant(index)); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1927 | trap_->AddTrapIfFalse(wasm::kTrapFuncSigMismatch, sig_match, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1928 | } |
| 1929 | |
| 1930 | // Load code object from the table. |
| 1931 | int offset = fixed_offset + kPointerSize * table_size; |
| 1932 | Node* load_code = graph()->NewNode( |
| 1933 | machine->Load(MachineType::AnyTagged()), table, |
| 1934 | graph()->NewNode(machine->Int32Add(), |
| 1935 | graph()->NewNode(machine->Word32Shl(), key, |
| 1936 | Int32Constant(kPointerSizeLog2)), |
| 1937 | Int32Constant(offset)), |
| 1938 | *effect_, *control_); |
| 1939 | |
| 1940 | args[0] = load_code; |
| 1941 | wasm::FunctionSig* sig = module_->GetSignature(index); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1942 | return BuildWasmCall(sig, args, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1943 | } |
| 1944 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1945 | Node* WasmGraphBuilder::BuildI32Rol(Node* left, Node* right) { |
| 1946 | // Implement Rol by Ror since TurboFan does not have Rol opcode. |
| 1947 | // TODO(weiliang): support Word32Rol opcode in TurboFan. |
| 1948 | Int32Matcher m(right); |
| 1949 | if (m.HasValue()) { |
| 1950 | return Binop(wasm::kExprI32Ror, left, |
| 1951 | jsgraph()->Int32Constant(32 - m.Value())); |
| 1952 | } else { |
| 1953 | return Binop(wasm::kExprI32Ror, left, |
| 1954 | Binop(wasm::kExprI32Sub, jsgraph()->Int32Constant(32), right)); |
| 1955 | } |
| 1956 | } |
| 1957 | |
| 1958 | Node* WasmGraphBuilder::BuildI64Rol(Node* left, Node* right) { |
| 1959 | // Implement Rol by Ror since TurboFan does not have Rol opcode. |
| 1960 | // TODO(weiliang): support Word64Rol opcode in TurboFan. |
| 1961 | Int64Matcher m(right); |
| 1962 | if (m.HasValue()) { |
| 1963 | return Binop(wasm::kExprI64Ror, left, |
| 1964 | jsgraph()->Int64Constant(64 - m.Value())); |
| 1965 | } else { |
| 1966 | return Binop(wasm::kExprI64Ror, left, |
| 1967 | Binop(wasm::kExprI64Sub, jsgraph()->Int64Constant(64), right)); |
| 1968 | } |
| 1969 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1970 | |
| 1971 | Node* WasmGraphBuilder::Invert(Node* node) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1972 | return Unop(wasm::kExprI32Eqz, node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1973 | } |
| 1974 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1975 | Node* WasmGraphBuilder::BuildChangeInt32ToTagged(Node* value) { |
| 1976 | MachineOperatorBuilder* machine = jsgraph()->machine(); |
| 1977 | CommonOperatorBuilder* common = jsgraph()->common(); |
| 1978 | |
| 1979 | if (machine->Is64()) { |
| 1980 | return BuildChangeInt32ToSmi(value); |
| 1981 | } |
| 1982 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1983 | Node* add = graph()->NewNode(machine->Int32AddWithOverflow(), value, value, |
| 1984 | graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1985 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1986 | Node* ovf = graph()->NewNode(common->Projection(1), add, graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1987 | Node* branch = graph()->NewNode(common->Branch(BranchHint::kFalse), ovf, |
| 1988 | graph()->start()); |
| 1989 | |
| 1990 | Node* if_true = graph()->NewNode(common->IfTrue(), branch); |
| 1991 | Node* vtrue = BuildAllocateHeapNumberWithValue( |
| 1992 | graph()->NewNode(machine->ChangeInt32ToFloat64(), value), if_true); |
| 1993 | |
| 1994 | Node* if_false = graph()->NewNode(common->IfFalse(), branch); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1995 | Node* vfalse = graph()->NewNode(common->Projection(0), add, if_false); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1996 | |
| 1997 | Node* merge = graph()->NewNode(common->Merge(2), if_true, if_false); |
| 1998 | Node* phi = graph()->NewNode(common->Phi(MachineRepresentation::kTagged, 2), |
| 1999 | vtrue, vfalse, merge); |
| 2000 | return phi; |
| 2001 | } |
| 2002 | |
| 2003 | Node* WasmGraphBuilder::BuildChangeFloat64ToTagged(Node* value) { |
| 2004 | MachineOperatorBuilder* machine = jsgraph()->machine(); |
| 2005 | CommonOperatorBuilder* common = jsgraph()->common(); |
| 2006 | |
| 2007 | Node* value32 = graph()->NewNode(machine->RoundFloat64ToInt32(), value); |
| 2008 | Node* check_same = graph()->NewNode( |
| 2009 | machine->Float64Equal(), value, |
| 2010 | graph()->NewNode(machine->ChangeInt32ToFloat64(), value32)); |
| 2011 | Node* branch_same = |
| 2012 | graph()->NewNode(common->Branch(), check_same, graph()->start()); |
| 2013 | |
| 2014 | Node* if_smi = graph()->NewNode(common->IfTrue(), branch_same); |
| 2015 | Node* vsmi; |
| 2016 | Node* if_box = graph()->NewNode(common->IfFalse(), branch_same); |
| 2017 | Node* vbox; |
| 2018 | |
| 2019 | // We only need to check for -0 if the {value} can potentially contain -0. |
| 2020 | Node* check_zero = graph()->NewNode(machine->Word32Equal(), value32, |
| 2021 | jsgraph()->Int32Constant(0)); |
| 2022 | Node* branch_zero = |
| 2023 | graph()->NewNode(common->Branch(BranchHint::kFalse), check_zero, if_smi); |
| 2024 | |
| 2025 | Node* if_zero = graph()->NewNode(common->IfTrue(), branch_zero); |
| 2026 | Node* if_notzero = graph()->NewNode(common->IfFalse(), branch_zero); |
| 2027 | |
| 2028 | // In case of 0, we need to check the high bits for the IEEE -0 pattern. |
| 2029 | Node* check_negative = graph()->NewNode( |
| 2030 | machine->Int32LessThan(), |
| 2031 | graph()->NewNode(machine->Float64ExtractHighWord32(), value), |
| 2032 | jsgraph()->Int32Constant(0)); |
| 2033 | Node* branch_negative = graph()->NewNode(common->Branch(BranchHint::kFalse), |
| 2034 | check_negative, if_zero); |
| 2035 | |
| 2036 | Node* if_negative = graph()->NewNode(common->IfTrue(), branch_negative); |
| 2037 | Node* if_notnegative = graph()->NewNode(common->IfFalse(), branch_negative); |
| 2038 | |
| 2039 | // We need to create a box for negative 0. |
| 2040 | if_smi = graph()->NewNode(common->Merge(2), if_notzero, if_notnegative); |
| 2041 | if_box = graph()->NewNode(common->Merge(2), if_box, if_negative); |
| 2042 | |
| 2043 | // On 64-bit machines we can just wrap the 32-bit integer in a smi, for 32-bit |
| 2044 | // machines we need to deal with potential overflow and fallback to boxing. |
| 2045 | if (machine->Is64()) { |
| 2046 | vsmi = BuildChangeInt32ToSmi(value32); |
| 2047 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2048 | Node* smi_tag = graph()->NewNode(machine->Int32AddWithOverflow(), value32, |
| 2049 | value32, if_smi); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2050 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2051 | Node* check_ovf = graph()->NewNode(common->Projection(1), smi_tag, if_smi); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2052 | Node* branch_ovf = |
| 2053 | graph()->NewNode(common->Branch(BranchHint::kFalse), check_ovf, if_smi); |
| 2054 | |
| 2055 | Node* if_ovf = graph()->NewNode(common->IfTrue(), branch_ovf); |
| 2056 | if_box = graph()->NewNode(common->Merge(2), if_ovf, if_box); |
| 2057 | |
| 2058 | if_smi = graph()->NewNode(common->IfFalse(), branch_ovf); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2059 | vsmi = graph()->NewNode(common->Projection(0), smi_tag, if_smi); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2060 | } |
| 2061 | |
| 2062 | // Allocate the box for the {value}. |
| 2063 | vbox = BuildAllocateHeapNumberWithValue(value, if_box); |
| 2064 | |
| 2065 | Node* control = graph()->NewNode(common->Merge(2), if_smi, if_box); |
| 2066 | value = graph()->NewNode(common->Phi(MachineRepresentation::kTagged, 2), vsmi, |
| 2067 | vbox, control); |
| 2068 | return value; |
| 2069 | } |
| 2070 | |
| 2071 | Node* WasmGraphBuilder::ToJS(Node* node, Node* context, wasm::LocalType type) { |
| 2072 | switch (type) { |
| 2073 | case wasm::kAstI32: |
| 2074 | return BuildChangeInt32ToTagged(node); |
| 2075 | case wasm::kAstI64: |
| 2076 | // TODO(titzer): i64->JS has no good solution right now. Using lower 32 |
| 2077 | // bits. |
| 2078 | if (jsgraph()->machine()->Is64()) { |
| 2079 | // On 32 bit platforms we do not have to do the truncation because the |
| 2080 | // node we get in as a parameter only contains the low word anyways. |
| 2081 | node = graph()->NewNode(jsgraph()->machine()->TruncateInt64ToInt32(), |
| 2082 | node); |
| 2083 | } |
| 2084 | return BuildChangeInt32ToTagged(node); |
| 2085 | case wasm::kAstF32: |
| 2086 | node = graph()->NewNode(jsgraph()->machine()->ChangeFloat32ToFloat64(), |
| 2087 | node); |
| 2088 | return BuildChangeFloat64ToTagged(node); |
| 2089 | case wasm::kAstF64: |
| 2090 | return BuildChangeFloat64ToTagged(node); |
| 2091 | case wasm::kAstStmt: |
| 2092 | return jsgraph()->UndefinedConstant(); |
| 2093 | default: |
| 2094 | UNREACHABLE(); |
| 2095 | return nullptr; |
| 2096 | } |
| 2097 | } |
| 2098 | |
| 2099 | Node* WasmGraphBuilder::BuildJavaScriptToNumber(Node* node, Node* context, |
| 2100 | Node* effect, Node* control) { |
| 2101 | Callable callable = CodeFactory::ToNumber(jsgraph()->isolate()); |
| 2102 | CallDescriptor* desc = Linkage::GetStubCallDescriptor( |
| 2103 | jsgraph()->isolate(), jsgraph()->zone(), callable.descriptor(), 0, |
| 2104 | CallDescriptor::kNoFlags, Operator::kNoProperties); |
| 2105 | Node* stub_code = jsgraph()->HeapConstant(callable.code()); |
| 2106 | |
| 2107 | Node* result = graph()->NewNode(jsgraph()->common()->Call(desc), stub_code, |
| 2108 | node, context, effect, control); |
| 2109 | |
| 2110 | *control_ = result; |
| 2111 | *effect_ = result; |
| 2112 | |
| 2113 | return result; |
| 2114 | } |
| 2115 | |
| 2116 | bool CanCover(Node* value, IrOpcode::Value opcode) { |
| 2117 | if (value->opcode() != opcode) return false; |
| 2118 | bool first = true; |
| 2119 | for (Edge const edge : value->use_edges()) { |
| 2120 | if (NodeProperties::IsControlEdge(edge)) continue; |
| 2121 | if (NodeProperties::IsEffectEdge(edge)) continue; |
| 2122 | DCHECK(NodeProperties::IsValueEdge(edge)); |
| 2123 | if (!first) return false; |
| 2124 | first = false; |
| 2125 | } |
| 2126 | return true; |
| 2127 | } |
| 2128 | |
| 2129 | Node* WasmGraphBuilder::BuildChangeTaggedToFloat64(Node* value) { |
| 2130 | MachineOperatorBuilder* machine = jsgraph()->machine(); |
| 2131 | CommonOperatorBuilder* common = jsgraph()->common(); |
| 2132 | |
| 2133 | if (CanCover(value, IrOpcode::kJSToNumber)) { |
| 2134 | // ChangeTaggedToFloat64(JSToNumber(x)) => |
| 2135 | // if IsSmi(x) then ChangeSmiToFloat64(x) |
| 2136 | // else let y = JSToNumber(x) in |
| 2137 | // if IsSmi(y) then ChangeSmiToFloat64(y) |
| 2138 | // else BuildLoadHeapNumberValue(y) |
| 2139 | Node* object = NodeProperties::GetValueInput(value, 0); |
| 2140 | Node* context = NodeProperties::GetContextInput(value); |
| 2141 | Node* frame_state = NodeProperties::GetFrameStateInput(value, 0); |
| 2142 | Node* effect = NodeProperties::GetEffectInput(value); |
| 2143 | Node* control = NodeProperties::GetControlInput(value); |
| 2144 | |
| 2145 | const Operator* merge_op = common->Merge(2); |
| 2146 | const Operator* ephi_op = common->EffectPhi(2); |
| 2147 | const Operator* phi_op = common->Phi(MachineRepresentation::kFloat64, 2); |
| 2148 | |
| 2149 | Node* check1 = BuildTestNotSmi(object); |
| 2150 | Node* branch1 = |
| 2151 | graph()->NewNode(common->Branch(BranchHint::kFalse), check1, control); |
| 2152 | |
| 2153 | Node* if_true1 = graph()->NewNode(common->IfTrue(), branch1); |
| 2154 | Node* vtrue1 = graph()->NewNode(value->op(), object, context, frame_state, |
| 2155 | effect, if_true1); |
| 2156 | Node* etrue1 = vtrue1; |
| 2157 | |
| 2158 | Node* check2 = BuildTestNotSmi(vtrue1); |
| 2159 | Node* branch2 = graph()->NewNode(common->Branch(), check2, if_true1); |
| 2160 | |
| 2161 | Node* if_true2 = graph()->NewNode(common->IfTrue(), branch2); |
| 2162 | Node* vtrue2 = BuildLoadHeapNumberValue(vtrue1, if_true2); |
| 2163 | |
| 2164 | Node* if_false2 = graph()->NewNode(common->IfFalse(), branch2); |
| 2165 | Node* vfalse2 = BuildChangeSmiToFloat64(vtrue1); |
| 2166 | |
| 2167 | if_true1 = graph()->NewNode(merge_op, if_true2, if_false2); |
| 2168 | vtrue1 = graph()->NewNode(phi_op, vtrue2, vfalse2, if_true1); |
| 2169 | |
| 2170 | Node* if_false1 = graph()->NewNode(common->IfFalse(), branch1); |
| 2171 | Node* vfalse1 = BuildChangeSmiToFloat64(object); |
| 2172 | Node* efalse1 = effect; |
| 2173 | |
| 2174 | Node* merge1 = graph()->NewNode(merge_op, if_true1, if_false1); |
| 2175 | Node* ephi1 = graph()->NewNode(ephi_op, etrue1, efalse1, merge1); |
| 2176 | Node* phi1 = graph()->NewNode(phi_op, vtrue1, vfalse1, merge1); |
| 2177 | |
| 2178 | // Wire the new diamond into the graph, {JSToNumber} can still throw. |
| 2179 | NodeProperties::ReplaceUses(value, phi1, ephi1, etrue1, etrue1); |
| 2180 | |
| 2181 | // TODO(mstarzinger): This iteration cuts out the IfSuccess projection from |
| 2182 | // the node and places it inside the diamond. Come up with a helper method! |
| 2183 | for (Node* use : etrue1->uses()) { |
| 2184 | if (use->opcode() == IrOpcode::kIfSuccess) { |
| 2185 | use->ReplaceUses(merge1); |
| 2186 | NodeProperties::ReplaceControlInput(branch2, use); |
| 2187 | } |
| 2188 | } |
| 2189 | return phi1; |
| 2190 | } |
| 2191 | |
| 2192 | Node* check = BuildTestNotSmi(value); |
| 2193 | Node* branch = graph()->NewNode(common->Branch(BranchHint::kFalse), check, |
| 2194 | graph()->start()); |
| 2195 | |
| 2196 | Node* if_not_smi = graph()->NewNode(common->IfTrue(), branch); |
| 2197 | |
| 2198 | Node* vnot_smi; |
| 2199 | Node* check_undefined = graph()->NewNode(machine->WordEqual(), value, |
| 2200 | jsgraph()->UndefinedConstant()); |
| 2201 | Node* branch_undefined = graph()->NewNode(common->Branch(BranchHint::kFalse), |
| 2202 | check_undefined, if_not_smi); |
| 2203 | |
| 2204 | Node* if_undefined = graph()->NewNode(common->IfTrue(), branch_undefined); |
| 2205 | Node* vundefined = |
| 2206 | jsgraph()->Float64Constant(std::numeric_limits<double>::quiet_NaN()); |
| 2207 | |
| 2208 | Node* if_not_undefined = |
| 2209 | graph()->NewNode(common->IfFalse(), branch_undefined); |
| 2210 | Node* vheap_number = BuildLoadHeapNumberValue(value, if_not_undefined); |
| 2211 | |
| 2212 | if_not_smi = |
| 2213 | graph()->NewNode(common->Merge(2), if_undefined, if_not_undefined); |
| 2214 | vnot_smi = graph()->NewNode(common->Phi(MachineRepresentation::kFloat64, 2), |
| 2215 | vundefined, vheap_number, if_not_smi); |
| 2216 | |
| 2217 | Node* if_smi = graph()->NewNode(common->IfFalse(), branch); |
| 2218 | Node* vfrom_smi = BuildChangeSmiToFloat64(value); |
| 2219 | |
| 2220 | Node* merge = graph()->NewNode(common->Merge(2), if_not_smi, if_smi); |
| 2221 | Node* phi = graph()->NewNode(common->Phi(MachineRepresentation::kFloat64, 2), |
| 2222 | vnot_smi, vfrom_smi, merge); |
| 2223 | |
| 2224 | return phi; |
| 2225 | } |
| 2226 | |
| 2227 | Node* WasmGraphBuilder::FromJS(Node* node, Node* context, |
| 2228 | wasm::LocalType type) { |
| 2229 | // Do a JavaScript ToNumber. |
| 2230 | Node* num = BuildJavaScriptToNumber(node, context, *effect_, *control_); |
| 2231 | |
| 2232 | // Change representation. |
| 2233 | SimplifiedOperatorBuilder simplified(jsgraph()->zone()); |
| 2234 | num = BuildChangeTaggedToFloat64(num); |
| 2235 | |
| 2236 | switch (type) { |
| 2237 | case wasm::kAstI32: { |
| 2238 | num = graph()->NewNode(jsgraph()->machine()->TruncateFloat64ToWord32(), |
| 2239 | num); |
| 2240 | break; |
| 2241 | } |
| 2242 | case wasm::kAstI64: |
| 2243 | // TODO(titzer): JS->i64 has no good solution right now. Using 32 bits. |
| 2244 | num = graph()->NewNode(jsgraph()->machine()->TruncateFloat64ToWord32(), |
| 2245 | num); |
| 2246 | if (jsgraph()->machine()->Is64()) { |
| 2247 | // We cannot change an int32 to an int64 on a 32 bit platform. Instead |
| 2248 | // we will split the parameter node later. |
| 2249 | num = graph()->NewNode(jsgraph()->machine()->ChangeInt32ToInt64(), num); |
| 2250 | } |
| 2251 | break; |
| 2252 | case wasm::kAstF32: |
| 2253 | num = graph()->NewNode(jsgraph()->machine()->TruncateFloat64ToFloat32(), |
| 2254 | num); |
| 2255 | break; |
| 2256 | case wasm::kAstF64: |
| 2257 | break; |
| 2258 | case wasm::kAstStmt: |
| 2259 | num = jsgraph()->Int32Constant(0); |
| 2260 | break; |
| 2261 | default: |
| 2262 | UNREACHABLE(); |
| 2263 | return nullptr; |
| 2264 | } |
| 2265 | return num; |
| 2266 | } |
| 2267 | |
| 2268 | Node* WasmGraphBuilder::BuildChangeInt32ToSmi(Node* value) { |
| 2269 | if (jsgraph()->machine()->Is64()) { |
| 2270 | value = graph()->NewNode(jsgraph()->machine()->ChangeInt32ToInt64(), value); |
| 2271 | } |
| 2272 | return graph()->NewNode(jsgraph()->machine()->WordShl(), value, |
| 2273 | BuildSmiShiftBitsConstant()); |
| 2274 | } |
| 2275 | |
| 2276 | Node* WasmGraphBuilder::BuildChangeSmiToInt32(Node* value) { |
| 2277 | value = graph()->NewNode(jsgraph()->machine()->WordSar(), value, |
| 2278 | BuildSmiShiftBitsConstant()); |
| 2279 | if (jsgraph()->machine()->Is64()) { |
| 2280 | value = |
| 2281 | graph()->NewNode(jsgraph()->machine()->TruncateInt64ToInt32(), value); |
| 2282 | } |
| 2283 | return value; |
| 2284 | } |
| 2285 | |
| 2286 | Node* WasmGraphBuilder::BuildChangeSmiToFloat64(Node* value) { |
| 2287 | return graph()->NewNode(jsgraph()->machine()->ChangeInt32ToFloat64(), |
| 2288 | BuildChangeSmiToInt32(value)); |
| 2289 | } |
| 2290 | |
| 2291 | Node* WasmGraphBuilder::BuildTestNotSmi(Node* value) { |
| 2292 | STATIC_ASSERT(kSmiTag == 0); |
| 2293 | STATIC_ASSERT(kSmiTagMask == 1); |
| 2294 | return graph()->NewNode(jsgraph()->machine()->WordAnd(), value, |
| 2295 | jsgraph()->IntPtrConstant(kSmiTagMask)); |
| 2296 | } |
| 2297 | |
| 2298 | Node* WasmGraphBuilder::BuildSmiShiftBitsConstant() { |
| 2299 | return jsgraph()->IntPtrConstant(kSmiShiftSize + kSmiTagSize); |
| 2300 | } |
| 2301 | |
| 2302 | Node* WasmGraphBuilder::BuildAllocateHeapNumberWithValue(Node* value, |
| 2303 | Node* control) { |
| 2304 | MachineOperatorBuilder* machine = jsgraph()->machine(); |
| 2305 | CommonOperatorBuilder* common = jsgraph()->common(); |
| 2306 | // The AllocateHeapNumberStub does not use the context, so we can safely pass |
| 2307 | // in Smi zero here. |
| 2308 | Callable callable = CodeFactory::AllocateHeapNumber(jsgraph()->isolate()); |
| 2309 | Node* target = jsgraph()->HeapConstant(callable.code()); |
| 2310 | Node* context = jsgraph()->NoContextConstant(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2311 | Node* effect = |
| 2312 | graph()->NewNode(common->BeginRegion(RegionObservability::kNotObservable), |
| 2313 | graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2314 | if (!allocate_heap_number_operator_.is_set()) { |
| 2315 | CallDescriptor* descriptor = Linkage::GetStubCallDescriptor( |
| 2316 | jsgraph()->isolate(), jsgraph()->zone(), callable.descriptor(), 0, |
| 2317 | CallDescriptor::kNoFlags, Operator::kNoThrow); |
| 2318 | allocate_heap_number_operator_.set(common->Call(descriptor)); |
| 2319 | } |
| 2320 | Node* heap_number = graph()->NewNode(allocate_heap_number_operator_.get(), |
| 2321 | target, context, effect, control); |
| 2322 | Node* store = |
| 2323 | graph()->NewNode(machine->Store(StoreRepresentation( |
| 2324 | MachineRepresentation::kFloat64, kNoWriteBarrier)), |
| 2325 | heap_number, BuildHeapNumberValueIndexConstant(), value, |
| 2326 | heap_number, control); |
| 2327 | return graph()->NewNode(common->FinishRegion(), heap_number, store); |
| 2328 | } |
| 2329 | |
| 2330 | Node* WasmGraphBuilder::BuildLoadHeapNumberValue(Node* value, Node* control) { |
| 2331 | return graph()->NewNode(jsgraph()->machine()->Load(MachineType::Float64()), |
| 2332 | value, BuildHeapNumberValueIndexConstant(), |
| 2333 | graph()->start(), control); |
| 2334 | } |
| 2335 | |
| 2336 | Node* WasmGraphBuilder::BuildHeapNumberValueIndexConstant() { |
| 2337 | return jsgraph()->IntPtrConstant(HeapNumber::kValueOffset - kHeapObjectTag); |
| 2338 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2339 | |
| 2340 | void WasmGraphBuilder::BuildJSToWasmWrapper(Handle<Code> wasm_code, |
| 2341 | wasm::FunctionSig* sig) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2342 | int wasm_count = static_cast<int>(sig->parameter_count()); |
| 2343 | int param_count; |
| 2344 | if (jsgraph()->machine()->Is64()) { |
| 2345 | param_count = static_cast<int>(sig->parameter_count()); |
| 2346 | } else { |
| 2347 | param_count = Int64Lowering::GetParameterCountAfterLowering(sig); |
| 2348 | } |
| 2349 | int count = param_count + 3; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2350 | Node** args = Buffer(count); |
| 2351 | |
| 2352 | // Build the start and the JS parameter nodes. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2353 | Node* start = Start(param_count + 5); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2354 | *control_ = start; |
| 2355 | *effect_ = start; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2356 | // Create the context parameter |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2357 | Node* context = graph()->NewNode( |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2358 | jsgraph()->common()->Parameter( |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2359 | Linkage::GetJSCallContextParamIndex(wasm_count + 1), "%context"), |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2360 | graph()->start()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2361 | |
| 2362 | int pos = 0; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2363 | args[pos++] = HeapConstant(wasm_code); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2364 | |
| 2365 | // Convert JS parameters to WASM numbers. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2366 | for (int i = 0; i < wasm_count; ++i) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2367 | Node* param = |
| 2368 | graph()->NewNode(jsgraph()->common()->Parameter(i + 1), start); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2369 | Node* wasm_param = FromJS(param, context, sig->GetParam(i)); |
| 2370 | args[pos++] = wasm_param; |
| 2371 | if (jsgraph()->machine()->Is32() && sig->GetParam(i) == wasm::kAstI64) { |
| 2372 | // We make up the high word with SAR to get the proper sign extension. |
| 2373 | args[pos++] = graph()->NewNode(jsgraph()->machine()->Word32Sar(), |
| 2374 | wasm_param, jsgraph()->Int32Constant(31)); |
| 2375 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2376 | } |
| 2377 | |
| 2378 | args[pos++] = *effect_; |
| 2379 | args[pos++] = *control_; |
| 2380 | |
| 2381 | // Call the WASM code. |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2382 | CallDescriptor* desc = |
| 2383 | wasm::ModuleEnv::GetWasmCallDescriptor(jsgraph()->zone(), sig); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2384 | if (jsgraph()->machine()->Is32()) { |
| 2385 | desc = wasm::ModuleEnv::GetI32WasmCallDescriptor(jsgraph()->zone(), desc); |
| 2386 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2387 | Node* call = graph()->NewNode(jsgraph()->common()->Call(desc), count, args); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2388 | Node* retval = call; |
| 2389 | if (jsgraph()->machine()->Is32() && sig->return_count() > 0 && |
| 2390 | sig->GetReturn(0) == wasm::kAstI64) { |
| 2391 | // The return values comes as two values, we pick the low word. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2392 | retval = graph()->NewNode(jsgraph()->common()->Projection(0), retval, |
| 2393 | graph()->start()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2394 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2395 | Node* jsval = |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2396 | ToJS(retval, context, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2397 | sig->return_count() == 0 ? wasm::kAstStmt : sig->GetReturn()); |
| 2398 | Node* ret = |
| 2399 | graph()->NewNode(jsgraph()->common()->Return(), jsval, call, start); |
| 2400 | |
| 2401 | MergeControlToEnd(jsgraph(), ret); |
| 2402 | } |
| 2403 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2404 | void WasmGraphBuilder::BuildWasmToJSWrapper(Handle<JSFunction> function, |
| 2405 | wasm::FunctionSig* sig) { |
| 2406 | int js_count = function->shared()->internal_formal_parameter_count(); |
| 2407 | int wasm_count = static_cast<int>(sig->parameter_count()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2408 | int param_count; |
| 2409 | if (jsgraph()->machine()->Is64()) { |
| 2410 | param_count = wasm_count; |
| 2411 | } else { |
| 2412 | param_count = Int64Lowering::GetParameterCountAfterLowering(sig); |
| 2413 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2414 | |
| 2415 | // Build the start and the parameter nodes. |
| 2416 | Isolate* isolate = jsgraph()->isolate(); |
| 2417 | CallDescriptor* desc; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2418 | Node* start = Start(param_count + 3); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2419 | *effect_ = start; |
| 2420 | *control_ = start; |
| 2421 | // JS context is the last parameter. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2422 | Node* context = HeapConstant(Handle<Context>(function->context(), isolate)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2423 | Node** args = Buffer(wasm_count + 7); |
| 2424 | |
| 2425 | bool arg_count_before_args = false; |
| 2426 | bool add_new_target_undefined = false; |
| 2427 | |
| 2428 | int pos = 0; |
| 2429 | if (js_count == wasm_count) { |
| 2430 | // exact arity match, just call the function directly. |
| 2431 | desc = Linkage::GetJSCallDescriptor(graph()->zone(), false, wasm_count + 1, |
| 2432 | CallDescriptor::kNoFlags); |
| 2433 | arg_count_before_args = false; |
| 2434 | add_new_target_undefined = true; |
| 2435 | } else { |
| 2436 | // Use the Call builtin. |
| 2437 | Callable callable = CodeFactory::Call(isolate); |
| 2438 | args[pos++] = jsgraph()->HeapConstant(callable.code()); |
| 2439 | desc = Linkage::GetStubCallDescriptor(isolate, graph()->zone(), |
| 2440 | callable.descriptor(), wasm_count + 1, |
| 2441 | CallDescriptor::kNoFlags); |
| 2442 | arg_count_before_args = true; |
| 2443 | } |
| 2444 | |
| 2445 | args[pos++] = jsgraph()->Constant(function); // JS function. |
| 2446 | if (arg_count_before_args) { |
| 2447 | args[pos++] = jsgraph()->Int32Constant(wasm_count); // argument count |
| 2448 | } |
| 2449 | // JS receiver. |
| 2450 | Handle<Object> global(function->context()->global_object(), isolate); |
| 2451 | args[pos++] = jsgraph()->Constant(global); |
| 2452 | |
| 2453 | // Convert WASM numbers to JS values. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2454 | int param_index = 0; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2455 | for (int i = 0; i < wasm_count; ++i) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2456 | Node* param = |
| 2457 | graph()->NewNode(jsgraph()->common()->Parameter(param_index++), start); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2458 | args[pos++] = ToJS(param, context, sig->GetParam(i)); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2459 | if (jsgraph()->machine()->Is32() && sig->GetParam(i) == wasm::kAstI64) { |
| 2460 | // On 32 bit platforms we have to skip the high word of int64 parameters. |
| 2461 | param_index++; |
| 2462 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2463 | } |
| 2464 | |
| 2465 | if (add_new_target_undefined) { |
| 2466 | args[pos++] = jsgraph()->UndefinedConstant(); // new target |
| 2467 | } |
| 2468 | |
| 2469 | if (!arg_count_before_args) { |
| 2470 | args[pos++] = jsgraph()->Int32Constant(wasm_count); // argument count |
| 2471 | } |
| 2472 | args[pos++] = context; |
| 2473 | args[pos++] = *effect_; |
| 2474 | args[pos++] = *control_; |
| 2475 | |
| 2476 | Node* call = graph()->NewNode(jsgraph()->common()->Call(desc), pos, args); |
| 2477 | |
| 2478 | // Convert the return value back. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2479 | Node* ret; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2480 | Node* val = |
| 2481 | FromJS(call, context, |
| 2482 | sig->return_count() == 0 ? wasm::kAstStmt : sig->GetReturn()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2483 | if (jsgraph()->machine()->Is32() && sig->return_count() > 0 && |
| 2484 | sig->GetReturn() == wasm::kAstI64) { |
| 2485 | ret = graph()->NewNode(jsgraph()->common()->Return(), val, |
| 2486 | graph()->NewNode(jsgraph()->machine()->Word32Sar(), |
| 2487 | val, jsgraph()->Int32Constant(31)), |
| 2488 | call, start); |
| 2489 | } else { |
| 2490 | ret = graph()->NewNode(jsgraph()->common()->Return(), val, call, start); |
| 2491 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2492 | |
| 2493 | MergeControlToEnd(jsgraph(), ret); |
| 2494 | } |
| 2495 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2496 | Node* WasmGraphBuilder::MemBuffer(uint32_t offset) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2497 | DCHECK(module_ && module_->instance); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2498 | if (offset == 0) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2499 | if (!mem_buffer_) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2500 | mem_buffer_ = jsgraph()->RelocatableIntPtrConstant( |
| 2501 | reinterpret_cast<uintptr_t>(module_->instance->mem_start), |
| 2502 | RelocInfo::WASM_MEMORY_REFERENCE); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2503 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2504 | return mem_buffer_; |
| 2505 | } else { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2506 | return jsgraph()->RelocatableIntPtrConstant( |
| 2507 | reinterpret_cast<uintptr_t>(module_->instance->mem_start + offset), |
| 2508 | RelocInfo::WASM_MEMORY_REFERENCE); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2509 | } |
| 2510 | } |
| 2511 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2512 | Node* WasmGraphBuilder::MemSize(uint32_t offset) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2513 | DCHECK(module_ && module_->instance); |
| 2514 | uint32_t size = static_cast<uint32_t>(module_->instance->mem_size); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2515 | if (offset == 0) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2516 | if (!mem_size_) |
| 2517 | mem_size_ = jsgraph()->RelocatableInt32Constant( |
| 2518 | size, RelocInfo::WASM_MEMORY_SIZE_REFERENCE); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2519 | return mem_size_; |
| 2520 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2521 | return jsgraph()->RelocatableInt32Constant( |
| 2522 | size + offset, RelocInfo::WASM_MEMORY_SIZE_REFERENCE); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2523 | } |
| 2524 | } |
| 2525 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2526 | Node* WasmGraphBuilder::FunctionTable() { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2527 | DCHECK(module_ && module_->instance && |
| 2528 | !module_->instance->function_table.is_null()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2529 | if (!function_table_) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2530 | function_table_ = HeapConstant(module_->instance->function_table); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2531 | } |
| 2532 | return function_table_; |
| 2533 | } |
| 2534 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2535 | Node* WasmGraphBuilder::LoadGlobal(uint32_t index) { |
| 2536 | MachineType mem_type = module_->GetGlobalType(index); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2537 | Node* addr = jsgraph()->RelocatableIntPtrConstant( |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2538 | reinterpret_cast<uintptr_t>(module_->instance->globals_start + |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2539 | module_->module->globals[index].offset), |
| 2540 | RelocInfo::WASM_GLOBAL_REFERENCE); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2541 | const Operator* op = jsgraph()->machine()->Load(mem_type); |
| 2542 | Node* node = graph()->NewNode(op, addr, jsgraph()->Int32Constant(0), *effect_, |
| 2543 | *control_); |
| 2544 | *effect_ = node; |
| 2545 | return node; |
| 2546 | } |
| 2547 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2548 | Node* WasmGraphBuilder::StoreGlobal(uint32_t index, Node* val) { |
| 2549 | MachineType mem_type = module_->GetGlobalType(index); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2550 | Node* addr = jsgraph()->RelocatableIntPtrConstant( |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2551 | reinterpret_cast<uintptr_t>(module_->instance->globals_start + |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2552 | module_->module->globals[index].offset), |
| 2553 | RelocInfo::WASM_GLOBAL_REFERENCE); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2554 | const Operator* op = jsgraph()->machine()->Store( |
| 2555 | StoreRepresentation(mem_type.representation(), kNoWriteBarrier)); |
| 2556 | Node* node = graph()->NewNode(op, addr, jsgraph()->Int32Constant(0), val, |
| 2557 | *effect_, *control_); |
| 2558 | *effect_ = node; |
| 2559 | return node; |
| 2560 | } |
| 2561 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2562 | void WasmGraphBuilder::BoundsCheckMem(MachineType memtype, Node* index, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2563 | uint32_t offset, |
| 2564 | wasm::WasmCodePosition position) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2565 | DCHECK(module_ && module_->instance); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2566 | uint32_t size = module_->instance->mem_size; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2567 | byte memsize = wasm::WasmOpcodes::MemSize(memtype); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2568 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2569 | // Check against the effective size. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2570 | size_t effective_size; |
| 2571 | if (offset >= size || (static_cast<uint64_t>(offset) + memsize) > size) { |
| 2572 | effective_size = 0; |
| 2573 | } else { |
| 2574 | effective_size = size - offset - memsize + 1; |
| 2575 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2576 | CHECK(effective_size <= kMaxUInt32); |
| 2577 | |
| 2578 | Uint32Matcher m(index); |
| 2579 | if (m.HasValue()) { |
| 2580 | uint32_t value = m.Value(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2581 | if (value < effective_size) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2582 | // The bounds check will always succeed. |
| 2583 | return; |
| 2584 | } |
| 2585 | } |
| 2586 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2587 | Node* cond = graph()->NewNode(jsgraph()->machine()->Uint32LessThan(), index, |
| 2588 | jsgraph()->RelocatableInt32Constant( |
| 2589 | static_cast<uint32_t>(effective_size), |
| 2590 | RelocInfo::WASM_MEMORY_SIZE_REFERENCE)); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2591 | |
| 2592 | trap_->AddTrapIfFalse(wasm::kTrapMemOutOfBounds, cond, position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2593 | } |
| 2594 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2595 | MachineType WasmGraphBuilder::GetTypeForUnalignedAccess(uint32_t alignment, |
| 2596 | bool signExtend) { |
| 2597 | switch (alignment) { |
| 2598 | case 0: |
| 2599 | return signExtend ? MachineType::Int8() : MachineType::Uint8(); |
| 2600 | case 1: |
| 2601 | return signExtend ? MachineType::Int16() : MachineType::Uint16(); |
| 2602 | case 2: |
| 2603 | return signExtend ? MachineType::Int32() : MachineType::Uint32(); |
| 2604 | default: |
| 2605 | UNREACHABLE(); |
| 2606 | return MachineType::None(); |
| 2607 | } |
| 2608 | } |
| 2609 | |
| 2610 | Node* WasmGraphBuilder::GetUnalignedLoadOffsetNode(Node* baseOffset, |
| 2611 | int numberOfBytes, |
| 2612 | int stride, int current) { |
| 2613 | int offset; |
| 2614 | wasm::WasmOpcode addOpcode; |
| 2615 | |
| 2616 | #if defined(V8_TARGET_LITTLE_ENDIAN) |
| 2617 | offset = numberOfBytes - stride - current; |
| 2618 | #elif defined(V8_TARGET_BIG_ENDIAN) |
| 2619 | offset = current; |
| 2620 | #else |
| 2621 | #error Unsupported endianness |
| 2622 | #endif |
| 2623 | |
| 2624 | #if WASM_64 |
| 2625 | addOpcode = wasm::kExprI64Add; |
| 2626 | #else |
| 2627 | addOpcode = wasm::kExprI32Add; |
| 2628 | #endif |
| 2629 | |
| 2630 | if (offset == 0) { |
| 2631 | return baseOffset; |
| 2632 | } else { |
| 2633 | return Binop(addOpcode, baseOffset, jsgraph()->Int32Constant(offset)); |
| 2634 | } |
| 2635 | } |
| 2636 | |
| 2637 | Node* WasmGraphBuilder::BuildUnalignedLoad(wasm::LocalType type, |
| 2638 | MachineType memtype, Node* index, |
| 2639 | uint32_t offset, |
| 2640 | uint32_t alignment) { |
| 2641 | Node* result; |
| 2642 | Node* load; |
| 2643 | bool extendTo64Bit = false; |
| 2644 | |
| 2645 | wasm::WasmOpcode shiftOpcode; |
| 2646 | wasm::WasmOpcode orOpcode; |
| 2647 | Node* shiftConst; |
| 2648 | |
| 2649 | bool signExtend = memtype.IsSigned(); |
| 2650 | |
| 2651 | bool isFloat = IsFloatingPoint(memtype.representation()); |
| 2652 | int stride = |
| 2653 | 1 << ElementSizeLog2Of( |
| 2654 | GetTypeForUnalignedAccess(alignment, false).representation()); |
| 2655 | int numberOfBytes = 1 << ElementSizeLog2Of(memtype.representation()); |
| 2656 | DCHECK(numberOfBytes % stride == 0); |
| 2657 | |
| 2658 | switch (type) { |
| 2659 | case wasm::kAstI64: |
| 2660 | case wasm::kAstF64: |
| 2661 | shiftOpcode = wasm::kExprI64Shl; |
| 2662 | orOpcode = wasm::kExprI64Ior; |
| 2663 | result = jsgraph()->Int64Constant(0); |
| 2664 | shiftConst = jsgraph()->Int64Constant(8 * stride); |
| 2665 | extendTo64Bit = true; |
| 2666 | break; |
| 2667 | case wasm::kAstI32: |
| 2668 | case wasm::kAstF32: |
| 2669 | shiftOpcode = wasm::kExprI32Shl; |
| 2670 | orOpcode = wasm::kExprI32Ior; |
| 2671 | result = jsgraph()->Int32Constant(0); |
| 2672 | shiftConst = jsgraph()->Int32Constant(8 * stride); |
| 2673 | break; |
| 2674 | default: |
| 2675 | UNREACHABLE(); |
| 2676 | } |
| 2677 | |
| 2678 | Node* baseOffset = MemBuffer(offset); |
| 2679 | |
| 2680 | for (int i = 0; i < numberOfBytes; i += stride) { |
| 2681 | result = Binop(shiftOpcode, result, shiftConst); |
| 2682 | load = graph()->NewNode( |
| 2683 | jsgraph()->machine()->Load( |
| 2684 | GetTypeForUnalignedAccess(alignment, signExtend)), |
| 2685 | GetUnalignedLoadOffsetNode(baseOffset, numberOfBytes, stride, i), index, |
| 2686 | *effect_, *control_); |
| 2687 | *effect_ = load; |
| 2688 | if (extendTo64Bit) { |
| 2689 | if (signExtend) { |
| 2690 | load = |
| 2691 | graph()->NewNode(jsgraph()->machine()->ChangeInt32ToInt64(), load); |
| 2692 | } else { |
| 2693 | load = graph()->NewNode(jsgraph()->machine()->ChangeUint32ToUint64(), |
| 2694 | load); |
| 2695 | } |
| 2696 | } |
| 2697 | signExtend = false; |
| 2698 | result = Binop(orOpcode, result, load); |
| 2699 | } |
| 2700 | |
| 2701 | // Convert to float |
| 2702 | if (isFloat) { |
| 2703 | switch (type) { |
| 2704 | case wasm::kAstF32: |
| 2705 | result = Unop(wasm::kExprF32ReinterpretI32, result); |
| 2706 | break; |
| 2707 | case wasm::kAstF64: |
| 2708 | result = Unop(wasm::kExprF64ReinterpretI64, result); |
| 2709 | break; |
| 2710 | default: |
| 2711 | UNREACHABLE(); |
| 2712 | } |
| 2713 | } |
| 2714 | |
| 2715 | return result; |
| 2716 | } |
| 2717 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2718 | Node* WasmGraphBuilder::LoadMem(wasm::LocalType type, MachineType memtype, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2719 | Node* index, uint32_t offset, |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2720 | uint32_t alignment, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2721 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2722 | Node* load; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2723 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2724 | // WASM semantics throw on OOB. Introduce explicit bounds check. |
| 2725 | BoundsCheckMem(memtype, index, offset, position); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2726 | bool aligned = static_cast<int>(alignment) >= |
| 2727 | ElementSizeLog2Of(memtype.representation()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2728 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2729 | if (aligned || |
| 2730 | jsgraph()->machine()->UnalignedLoadSupported(memtype, alignment)) { |
| 2731 | load = graph()->NewNode(jsgraph()->machine()->Load(memtype), |
| 2732 | MemBuffer(offset), index, *effect_, *control_); |
| 2733 | *effect_ = load; |
| 2734 | } else { |
| 2735 | load = BuildUnalignedLoad(type, memtype, index, offset, alignment); |
| 2736 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2737 | |
| 2738 | if (type == wasm::kAstI64 && |
| 2739 | ElementSizeLog2Of(memtype.representation()) < 3) { |
| 2740 | // TODO(titzer): TF zeroes the upper bits of 64-bit loads for subword sizes. |
| 2741 | if (memtype.IsSigned()) { |
| 2742 | // sign extend |
| 2743 | load = graph()->NewNode(jsgraph()->machine()->ChangeInt32ToInt64(), load); |
| 2744 | } else { |
| 2745 | // zero extend |
| 2746 | load = |
| 2747 | graph()->NewNode(jsgraph()->machine()->ChangeUint32ToUint64(), load); |
| 2748 | } |
| 2749 | } |
| 2750 | |
| 2751 | return load; |
| 2752 | } |
| 2753 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2754 | Node* WasmGraphBuilder::GetUnalignedStoreOffsetNode(Node* baseOffset, |
| 2755 | int numberOfBytes, |
| 2756 | int stride, int current) { |
| 2757 | int offset; |
| 2758 | wasm::WasmOpcode addOpcode; |
| 2759 | |
| 2760 | #if defined(V8_TARGET_LITTLE_ENDIAN) |
| 2761 | offset = current; |
| 2762 | #elif defined(V8_TARGET_BIG_ENDIAN) |
| 2763 | offset = numberOfBytes - stride - current; |
| 2764 | #else |
| 2765 | #error Unsupported endianness |
| 2766 | #endif |
| 2767 | |
| 2768 | #if WASM_64 |
| 2769 | addOpcode = wasm::kExprI64Add; |
| 2770 | #else |
| 2771 | addOpcode = wasm::kExprI32Add; |
| 2772 | #endif |
| 2773 | |
| 2774 | if (offset == 0) { |
| 2775 | return baseOffset; |
| 2776 | } else { |
| 2777 | return Binop(addOpcode, baseOffset, jsgraph()->Int32Constant(offset)); |
| 2778 | } |
| 2779 | } |
| 2780 | |
| 2781 | Node* WasmGraphBuilder::BuildUnalignedStore(MachineType memtype, Node* index, |
| 2782 | uint32_t offset, uint32_t alignment, |
| 2783 | Node* val) { |
| 2784 | Node* store; |
| 2785 | Node* newValue; |
| 2786 | |
| 2787 | wasm::WasmOpcode shiftOpcode; |
| 2788 | |
| 2789 | Node* shiftConst; |
| 2790 | bool extendTo64Bit = false; |
| 2791 | bool isFloat = IsFloatingPoint(memtype.representation()); |
| 2792 | int stride = 1 << ElementSizeLog2Of( |
| 2793 | GetTypeForUnalignedAccess(alignment).representation()); |
| 2794 | int numberOfBytes = 1 << ElementSizeLog2Of(memtype.representation()); |
| 2795 | DCHECK(numberOfBytes % stride == 0); |
| 2796 | |
| 2797 | StoreRepresentation rep(GetTypeForUnalignedAccess(alignment).representation(), |
| 2798 | kNoWriteBarrier); |
| 2799 | |
| 2800 | if (ElementSizeLog2Of(memtype.representation()) <= 2) { |
| 2801 | shiftOpcode = wasm::kExprI32ShrU; |
| 2802 | shiftConst = jsgraph()->Int32Constant(8 * stride); |
| 2803 | } else { |
| 2804 | shiftOpcode = wasm::kExprI64ShrU; |
| 2805 | shiftConst = jsgraph()->Int64Constant(8 * stride); |
| 2806 | extendTo64Bit = true; |
| 2807 | } |
| 2808 | |
| 2809 | newValue = val; |
| 2810 | if (isFloat) { |
| 2811 | switch (memtype.representation()) { |
| 2812 | case MachineRepresentation::kFloat64: |
| 2813 | newValue = Unop(wasm::kExprI64ReinterpretF64, val); |
| 2814 | break; |
| 2815 | case MachineRepresentation::kFloat32: |
| 2816 | newValue = Unop(wasm::kExprI32ReinterpretF32, val); |
| 2817 | break; |
| 2818 | default: |
| 2819 | UNREACHABLE(); |
| 2820 | } |
| 2821 | } |
| 2822 | |
| 2823 | Node* baseOffset = MemBuffer(offset); |
| 2824 | |
| 2825 | for (int i = 0; i < numberOfBytes - stride; i += stride) { |
| 2826 | store = graph()->NewNode( |
| 2827 | jsgraph()->machine()->Store(rep), |
| 2828 | GetUnalignedStoreOffsetNode(baseOffset, numberOfBytes, stride, i), |
| 2829 | index, |
| 2830 | extendTo64Bit ? Unop(wasm::kExprI32ConvertI64, newValue) : newValue, |
| 2831 | *effect_, *control_); |
| 2832 | newValue = Binop(shiftOpcode, newValue, shiftConst); |
| 2833 | *effect_ = store; |
| 2834 | } |
| 2835 | store = graph()->NewNode( |
| 2836 | jsgraph()->machine()->Store(rep), |
| 2837 | GetUnalignedStoreOffsetNode(baseOffset, numberOfBytes, stride, |
| 2838 | numberOfBytes - stride), |
| 2839 | index, |
| 2840 | extendTo64Bit ? Unop(wasm::kExprI32ConvertI64, newValue) : newValue, |
| 2841 | *effect_, *control_); |
| 2842 | *effect_ = store; |
| 2843 | return val; |
| 2844 | } |
| 2845 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2846 | Node* WasmGraphBuilder::StoreMem(MachineType memtype, Node* index, |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2847 | uint32_t offset, uint32_t alignment, Node* val, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2848 | wasm::WasmCodePosition position) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2849 | Node* store; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2850 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2851 | // WASM semantics throw on OOB. Introduce explicit bounds check. |
| 2852 | BoundsCheckMem(memtype, index, offset, position); |
| 2853 | StoreRepresentation rep(memtype.representation(), kNoWriteBarrier); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2854 | bool aligned = static_cast<int>(alignment) >= |
| 2855 | ElementSizeLog2Of(memtype.representation()); |
| 2856 | |
| 2857 | if (aligned || |
| 2858 | jsgraph()->machine()->UnalignedStoreSupported(memtype, alignment)) { |
| 2859 | StoreRepresentation rep(memtype.representation(), kNoWriteBarrier); |
| 2860 | store = |
| 2861 | graph()->NewNode(jsgraph()->machine()->Store(rep), MemBuffer(offset), |
| 2862 | index, val, *effect_, *control_); |
| 2863 | *effect_ = store; |
| 2864 | } else { |
| 2865 | store = BuildUnalignedStore(memtype, index, offset, alignment, val); |
| 2866 | } |
| 2867 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2868 | return store; |
| 2869 | } |
| 2870 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2871 | Node* WasmGraphBuilder::BuildAsmjsLoadMem(MachineType type, Node* index) { |
| 2872 | // TODO(turbofan): fold bounds checks for constant asm.js loads. |
| 2873 | // asm.js semantics use CheckedLoad (i.e. OOB reads return 0ish). |
| 2874 | const Operator* op = jsgraph()->machine()->CheckedLoad(type); |
| 2875 | Node* load = graph()->NewNode(op, MemBuffer(0), index, MemSize(0), *effect_, |
| 2876 | *control_); |
| 2877 | *effect_ = load; |
| 2878 | return load; |
| 2879 | } |
| 2880 | |
| 2881 | Node* WasmGraphBuilder::BuildAsmjsStoreMem(MachineType type, Node* index, |
| 2882 | Node* val) { |
| 2883 | // TODO(turbofan): fold bounds checks for constant asm.js stores. |
| 2884 | // asm.js semantics use CheckedStore (i.e. ignore OOB writes). |
| 2885 | const Operator* op = |
| 2886 | jsgraph()->machine()->CheckedStore(type.representation()); |
| 2887 | Node* store = graph()->NewNode(op, MemBuffer(0), index, MemSize(0), val, |
| 2888 | *effect_, *control_); |
| 2889 | *effect_ = store; |
| 2890 | return val; |
| 2891 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2892 | |
| 2893 | void WasmGraphBuilder::PrintDebugName(Node* node) { |
| 2894 | PrintF("#%d:%s", node->id(), node->op()->mnemonic()); |
| 2895 | } |
| 2896 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2897 | Node* WasmGraphBuilder::String(const char* string) { |
| 2898 | return jsgraph()->Constant( |
| 2899 | jsgraph()->isolate()->factory()->NewStringFromAsciiChecked(string)); |
| 2900 | } |
| 2901 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2902 | Graph* WasmGraphBuilder::graph() { return jsgraph()->graph(); } |
| 2903 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2904 | void WasmGraphBuilder::Int64LoweringForTesting() { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2905 | if (jsgraph()->machine()->Is32()) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2906 | Int64Lowering r(jsgraph()->graph(), jsgraph()->machine(), |
| 2907 | jsgraph()->common(), jsgraph()->zone(), |
| 2908 | function_signature_); |
| 2909 | r.LowerGraph(); |
| 2910 | } |
| 2911 | } |
| 2912 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2913 | void WasmGraphBuilder::SetSourcePosition(Node* node, |
| 2914 | wasm::WasmCodePosition position) { |
| 2915 | DCHECK_NE(position, wasm::kNoCodePosition); |
| 2916 | compiler::SourcePosition pos(position); |
| 2917 | if (source_position_table_) |
| 2918 | source_position_table_->SetSourcePosition(node, pos); |
| 2919 | } |
| 2920 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2921 | static void RecordFunctionCompilation(CodeEventListener::LogEventsAndTags tag, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2922 | CompilationInfo* info, |
| 2923 | const char* message, uint32_t index, |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2924 | wasm::WasmName func_name) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2925 | Isolate* isolate = info->isolate(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2926 | if (isolate->logger()->is_logging_code_events() || isolate->is_profiling()) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2927 | ScopedVector<char> buffer(128); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2928 | SNPrintF(buffer, "%s#%d:%.*s", message, index, func_name.length(), |
| 2929 | func_name.start()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2930 | Handle<String> name_str = |
| 2931 | isolate->factory()->NewStringFromAsciiChecked(buffer.start()); |
| 2932 | Handle<String> script_str = |
| 2933 | isolate->factory()->NewStringFromAsciiChecked("(WASM)"); |
| 2934 | Handle<Code> code = info->code(); |
| 2935 | Handle<SharedFunctionInfo> shared = |
| 2936 | isolate->factory()->NewSharedFunctionInfo(name_str, code, false); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2937 | PROFILE(isolate, CodeCreateEvent(tag, AbstractCode::cast(*code), *shared, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2938 | *script_str, 0, 0)); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2939 | } |
| 2940 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2941 | |
| 2942 | Handle<JSFunction> CompileJSToWasmWrapper( |
| 2943 | Isolate* isolate, wasm::ModuleEnv* module, Handle<String> name, |
| 2944 | Handle<Code> wasm_code, Handle<JSObject> module_object, uint32_t index) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2945 | const wasm::WasmFunction* func = &module->module->functions[index]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2946 | |
| 2947 | //---------------------------------------------------------------------------- |
| 2948 | // Create the JSFunction object. |
| 2949 | //---------------------------------------------------------------------------- |
| 2950 | Handle<SharedFunctionInfo> shared = |
| 2951 | isolate->factory()->NewSharedFunctionInfo(name, wasm_code, false); |
| 2952 | int params = static_cast<int>(func->sig->parameter_count()); |
| 2953 | shared->set_length(params); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2954 | shared->set_internal_formal_parameter_count(params); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2955 | Handle<JSFunction> function = isolate->factory()->NewFunction( |
| 2956 | isolate->wasm_function_map(), name, MaybeHandle<Code>()); |
| 2957 | function->SetInternalField(0, *module_object); |
| 2958 | function->set_shared(*shared); |
| 2959 | |
| 2960 | //---------------------------------------------------------------------------- |
| 2961 | // Create the Graph |
| 2962 | //---------------------------------------------------------------------------- |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2963 | Zone zone(isolate->allocator()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2964 | Graph graph(&zone); |
| 2965 | CommonOperatorBuilder common(&zone); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2966 | MachineOperatorBuilder machine(&zone); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2967 | JSGraph jsgraph(isolate, &graph, &common, nullptr, nullptr, &machine); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2968 | |
| 2969 | Node* control = nullptr; |
| 2970 | Node* effect = nullptr; |
| 2971 | |
| 2972 | WasmGraphBuilder builder(&zone, &jsgraph, func->sig); |
| 2973 | builder.set_control_ptr(&control); |
| 2974 | builder.set_effect_ptr(&effect); |
| 2975 | builder.set_module(module); |
| 2976 | builder.BuildJSToWasmWrapper(wasm_code, func->sig); |
| 2977 | |
| 2978 | //---------------------------------------------------------------------------- |
| 2979 | // Run the compilation pipeline. |
| 2980 | //---------------------------------------------------------------------------- |
| 2981 | { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2982 | if (FLAG_trace_turbo_graph) { // Simple textual RPO. |
| 2983 | OFStream os(stdout); |
| 2984 | os << "-- Graph after change lowering -- " << std::endl; |
| 2985 | os << AsRPO(graph); |
| 2986 | } |
| 2987 | |
| 2988 | // Schedule and compile to machine code. |
| 2989 | int params = static_cast<int>( |
| 2990 | module->GetFunctionSignature(index)->parameter_count()); |
| 2991 | CallDescriptor* incoming = Linkage::GetJSCallDescriptor( |
| 2992 | &zone, false, params + 1, CallDescriptor::kNoFlags); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2993 | Code::Flags flags = Code::ComputeFlags(Code::JS_TO_WASM_FUNCTION); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2994 | bool debugging = |
| 2995 | #if DEBUG |
| 2996 | true; |
| 2997 | #else |
| 2998 | FLAG_print_opt_code || FLAG_trace_turbo || FLAG_trace_turbo_graph; |
| 2999 | #endif |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3000 | Vector<const char> func_name = ArrayVector("js-to-wasm"); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3001 | |
| 3002 | static unsigned id = 0; |
| 3003 | Vector<char> buffer; |
| 3004 | if (debugging) { |
| 3005 | buffer = Vector<char>::New(128); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3006 | int chars = SNPrintF(buffer, "js-to-wasm#%d", id); |
| 3007 | func_name = Vector<const char>::cast(buffer.SubVector(0, chars)); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3008 | } |
| 3009 | |
| 3010 | CompilationInfo info(func_name, isolate, &zone, flags); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3011 | Handle<Code> code = |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3012 | Pipeline::GenerateCodeForTesting(&info, incoming, &graph); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3013 | #ifdef ENABLE_DISASSEMBLER |
| 3014 | if (FLAG_print_opt_code && !code.is_null()) { |
| 3015 | OFStream os(stdout); |
| 3016 | code->Disassemble(buffer.start(), os); |
| 3017 | } |
| 3018 | #endif |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3019 | if (debugging) { |
| 3020 | buffer.Dispose(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3021 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3022 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3023 | RecordFunctionCompilation( |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3024 | CodeEventListener::FUNCTION_TAG, &info, "js-to-wasm", index, |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3025 | module->module->GetName(func->name_offset, func->name_length)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3026 | // Set the JSFunction's machine code. |
| 3027 | function->set_code(*code); |
| 3028 | } |
| 3029 | return function; |
| 3030 | } |
| 3031 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3032 | Handle<Code> CompileWasmToJSWrapper(Isolate* isolate, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3033 | Handle<JSFunction> function, |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3034 | wasm::FunctionSig* sig, |
| 3035 | wasm::WasmName module_name, |
| 3036 | wasm::WasmName function_name) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3037 | //---------------------------------------------------------------------------- |
| 3038 | // Create the Graph |
| 3039 | //---------------------------------------------------------------------------- |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3040 | Zone zone(isolate->allocator()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3041 | Graph graph(&zone); |
| 3042 | CommonOperatorBuilder common(&zone); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3043 | MachineOperatorBuilder machine(&zone); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3044 | JSGraph jsgraph(isolate, &graph, &common, nullptr, nullptr, &machine); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3045 | |
| 3046 | Node* control = nullptr; |
| 3047 | Node* effect = nullptr; |
| 3048 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3049 | WasmGraphBuilder builder(&zone, &jsgraph, sig); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3050 | builder.set_control_ptr(&control); |
| 3051 | builder.set_effect_ptr(&effect); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3052 | builder.BuildWasmToJSWrapper(function, sig); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3053 | |
| 3054 | Handle<Code> code = Handle<Code>::null(); |
| 3055 | { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3056 | if (FLAG_trace_turbo_graph) { // Simple textual RPO. |
| 3057 | OFStream os(stdout); |
| 3058 | os << "-- Graph after change lowering -- " << std::endl; |
| 3059 | os << AsRPO(graph); |
| 3060 | } |
| 3061 | |
| 3062 | // Schedule and compile to machine code. |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3063 | CallDescriptor* incoming = |
| 3064 | wasm::ModuleEnv::GetWasmCallDescriptor(&zone, sig); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3065 | if (machine.Is32()) { |
| 3066 | incoming = wasm::ModuleEnv::GetI32WasmCallDescriptor(&zone, incoming); |
| 3067 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3068 | Code::Flags flags = Code::ComputeFlags(Code::WASM_TO_JS_FUNCTION); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3069 | bool debugging = |
| 3070 | #if DEBUG |
| 3071 | true; |
| 3072 | #else |
| 3073 | FLAG_print_opt_code || FLAG_trace_turbo || FLAG_trace_turbo_graph; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3074 | #endif |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3075 | Vector<const char> func_name = ArrayVector("wasm-to-js"); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3076 | static unsigned id = 0; |
| 3077 | Vector<char> buffer; |
| 3078 | if (debugging) { |
| 3079 | buffer = Vector<char>::New(128); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3080 | int chars = SNPrintF(buffer, "wasm-to-js#%d", id); |
| 3081 | func_name = Vector<const char>::cast(buffer.SubVector(0, chars)); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3082 | } |
| 3083 | |
| 3084 | CompilationInfo info(func_name, isolate, &zone, flags); |
| 3085 | code = Pipeline::GenerateCodeForTesting(&info, incoming, &graph, nullptr); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3086 | #ifdef ENABLE_DISASSEMBLER |
| 3087 | if (FLAG_print_opt_code && !code.is_null()) { |
| 3088 | OFStream os(stdout); |
| 3089 | code->Disassemble(buffer.start(), os); |
| 3090 | } |
| 3091 | #endif |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3092 | if (debugging) { |
| 3093 | buffer.Dispose(); |
| 3094 | } |
| 3095 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3096 | RecordFunctionCompilation(CodeEventListener::FUNCTION_TAG, &info, |
| 3097 | "wasm-to-js", 0, module_name); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3098 | } |
| 3099 | return code; |
| 3100 | } |
| 3101 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3102 | SourcePositionTable* WasmCompilationUnit::BuildGraphForWasmFunction( |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3103 | double* decode_ms) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3104 | base::ElapsedTimer decode_timer; |
| 3105 | if (FLAG_trace_wasm_decode_time) { |
| 3106 | decode_timer.Start(); |
| 3107 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3108 | // Create a TF graph during decoding. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3109 | |
| 3110 | Graph* graph = jsgraph_->graph(); |
| 3111 | CommonOperatorBuilder* common = jsgraph_->common(); |
| 3112 | MachineOperatorBuilder* machine = jsgraph_->machine(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3113 | SourcePositionTable* source_position_table = |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3114 | new (jsgraph_->zone()) SourcePositionTable(graph); |
| 3115 | WasmGraphBuilder builder(jsgraph_->zone(), jsgraph_, function_->sig, |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3116 | source_position_table); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3117 | wasm::FunctionBody body = { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3118 | module_env_, function_->sig, module_env_->module->module_start, |
| 3119 | module_env_->module->module_start + function_->code_start_offset, |
| 3120 | module_env_->module->module_start + function_->code_end_offset}; |
| 3121 | graph_construction_result_ = |
| 3122 | wasm::BuildTFGraph(isolate_->allocator(), &builder, body); |
| 3123 | |
| 3124 | if (graph_construction_result_.failed()) { |
| 3125 | if (FLAG_trace_wasm_compiler) { |
| 3126 | OFStream os(stdout); |
| 3127 | os << "Compilation failed: " << graph_construction_result_ << std::endl; |
| 3128 | } |
| 3129 | return nullptr; |
| 3130 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3131 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3132 | if (machine->Is32()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3133 | Int64Lowering r(graph, machine, common, jsgraph_->zone(), function_->sig); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3134 | r.LowerGraph(); |
| 3135 | } |
| 3136 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3137 | int index = static_cast<int>(function_->func_index); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3138 | if (index >= FLAG_trace_wasm_ast_start && index < FLAG_trace_wasm_ast_end) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3139 | OFStream os(stdout); |
| 3140 | PrintAst(isolate_->allocator(), body, os, nullptr); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3141 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3142 | if (FLAG_trace_wasm_decode_time) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3143 | *decode_ms = decode_timer.Elapsed().InMillisecondsF(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3144 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3145 | return source_position_table; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3146 | } |
| 3147 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3148 | WasmCompilationUnit::WasmCompilationUnit(wasm::ErrorThrower* thrower, |
| 3149 | Isolate* isolate, |
| 3150 | wasm::ModuleEnv* module_env, |
| 3151 | const wasm::WasmFunction* function, |
| 3152 | uint32_t index) |
| 3153 | : thrower_(thrower), |
| 3154 | isolate_(isolate), |
| 3155 | module_env_(module_env), |
| 3156 | function_(function), |
| 3157 | graph_zone_(new Zone(isolate->allocator())), |
| 3158 | jsgraph_(new (graph_zone()) JSGraph( |
| 3159 | isolate, new (graph_zone()) Graph(graph_zone()), |
| 3160 | new (graph_zone()) CommonOperatorBuilder(graph_zone()), nullptr, |
| 3161 | nullptr, new (graph_zone()) MachineOperatorBuilder( |
| 3162 | graph_zone(), MachineType::PointerRepresentation(), |
| 3163 | InstructionSelector::SupportedMachineOperatorFlags()))), |
| 3164 | compilation_zone_(isolate->allocator()), |
| 3165 | info_(function->name_length != 0 |
| 3166 | ? module_env->module->GetNameOrNull(function->name_offset, |
| 3167 | function->name_length) |
| 3168 | : ArrayVector("wasm"), |
| 3169 | isolate, &compilation_zone_, |
| 3170 | Code::ComputeFlags(Code::WASM_FUNCTION)), |
| 3171 | job_(), |
| 3172 | index_(index), |
| 3173 | ok_(true) { |
| 3174 | // Create and cache this node in the main thread. |
| 3175 | jsgraph_->CEntryStubConstant(1); |
| 3176 | } |
| 3177 | |
| 3178 | void WasmCompilationUnit::ExecuteCompilation() { |
| 3179 | // TODO(ahaas): The counters are not thread-safe at the moment. |
| 3180 | // HistogramTimerScope wasm_compile_function_time_scope( |
| 3181 | // isolate_->counters()->wasm_compile_function_time()); |
| 3182 | if (FLAG_trace_wasm_compiler) { |
| 3183 | OFStream os(stdout); |
| 3184 | os << "Compiling WASM function " |
| 3185 | << wasm::WasmFunctionName(function_, module_env_) << std::endl; |
| 3186 | os << std::endl; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3187 | } |
| 3188 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3189 | double decode_ms = 0; |
| 3190 | size_t node_count = 0; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3191 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3192 | base::SmartPointer<Zone> graph_zone(graph_zone_.Detach()); |
| 3193 | SourcePositionTable* source_positions = BuildGraphForWasmFunction(&decode_ms); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3194 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3195 | if (graph_construction_result_.failed()) { |
| 3196 | ok_ = false; |
| 3197 | return; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3198 | } |
| 3199 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3200 | base::ElapsedTimer pipeline_timer; |
| 3201 | if (FLAG_trace_wasm_decode_time) { |
| 3202 | node_count = jsgraph_->graph()->NodeCount(); |
| 3203 | pipeline_timer.Start(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3204 | } |
| 3205 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3206 | // Run the compiler pipeline to generate machine code. |
| 3207 | CallDescriptor* descriptor = wasm::ModuleEnv::GetWasmCallDescriptor( |
| 3208 | &compilation_zone_, function_->sig); |
| 3209 | if (jsgraph_->machine()->Is32()) { |
| 3210 | descriptor = |
| 3211 | module_env_->GetI32WasmCallDescriptor(&compilation_zone_, descriptor); |
| 3212 | } |
| 3213 | job_.Reset(Pipeline::NewWasmCompilationJob(&info_, jsgraph_->graph(), |
| 3214 | descriptor, source_positions)); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3215 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3216 | // The function name {OptimizeGraph()} is misleading but necessary because we |
| 3217 | // want to use the CompilationJob interface. A better name would be |
| 3218 | // ScheduleGraphAndSelectInstructions. |
| 3219 | ok_ = job_->OptimizeGraph() == CompilationJob::SUCCEEDED; |
| 3220 | // TODO(bradnelson): Improve histogram handling of size_t. |
| 3221 | // TODO(ahaas): The counters are not thread-safe at the moment. |
| 3222 | // isolate_->counters()->wasm_compile_function_peak_memory_bytes() |
| 3223 | // ->AddSample( |
| 3224 | // static_cast<int>(jsgraph->graph()->zone()->allocation_size())); |
| 3225 | |
| 3226 | if (FLAG_trace_wasm_decode_time) { |
| 3227 | double pipeline_ms = pipeline_timer.Elapsed().InMillisecondsF(); |
| 3228 | PrintF( |
| 3229 | "wasm-compilation phase 1 ok: %d bytes, %0.3f ms decode, %zu nodes, " |
| 3230 | "%0.3f ms pipeline\n", |
| 3231 | static_cast<int>(function_->code_end_offset - |
| 3232 | function_->code_start_offset), |
| 3233 | decode_ms, node_count, pipeline_ms); |
| 3234 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3235 | } |
| 3236 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3237 | Handle<Code> WasmCompilationUnit::FinishCompilation() { |
| 3238 | if (!ok_) { |
| 3239 | if (graph_construction_result_.failed()) { |
| 3240 | // Add the function as another context for the exception |
| 3241 | ScopedVector<char> buffer(128); |
| 3242 | wasm::WasmName name = module_env_->module->GetName( |
| 3243 | function_->name_offset, function_->name_length); |
| 3244 | SNPrintF(buffer, "Compiling WASM function #%d:%.*s failed:", |
| 3245 | function_->func_index, name.length(), name.start()); |
| 3246 | thrower_->Failed(buffer.start(), graph_construction_result_); |
| 3247 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3248 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3249 | return Handle<Code>::null(); |
| 3250 | } |
| 3251 | if (job_->GenerateCode() != CompilationJob::SUCCEEDED) { |
| 3252 | return Handle<Code>::null(); |
| 3253 | } |
| 3254 | base::ElapsedTimer compile_timer; |
| 3255 | if (FLAG_trace_wasm_decode_time) { |
| 3256 | compile_timer.Start(); |
| 3257 | } |
| 3258 | Handle<Code> code = info_.code(); |
| 3259 | DCHECK(!code.is_null()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3260 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3261 | RecordFunctionCompilation( |
| 3262 | CodeEventListener::FUNCTION_TAG, &info_, "WASM_function", |
| 3263 | function_->func_index, |
| 3264 | module_env_->module->GetName(function_->name_offset, |
| 3265 | function_->name_length)); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3266 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3267 | if (FLAG_trace_wasm_decode_time) { |
| 3268 | double compile_ms = compile_timer.Elapsed().InMillisecondsF(); |
| 3269 | PrintF("wasm-code-generation ok: %d bytes, %0.3f ms code generation\n", |
| 3270 | static_cast<int>(function_->code_end_offset - |
| 3271 | function_->code_start_offset), |
| 3272 | compile_ms); |
| 3273 | } |
| 3274 | |
| 3275 | return code; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 3276 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3277 | |
| 3278 | } // namespace compiler |
| 3279 | } // namespace internal |
| 3280 | } // namespace v8 |