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Side by Side Diff: src/interpreter/bytecode-generator.cc

Issue 2006613002: [turbofan] Lower intrinsics %_GeneratorGetInput and %_GeneratorGetResumeMode. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 7 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/interpreter/bytecode-generator.h" 5 #include "src/interpreter/bytecode-generator.h"
6 6
7 #include "src/ast/scopes.h" 7 #include "src/ast/scopes.h"
8 #include "src/code-stubs.h" 8 #include "src/code-stubs.h"
9 #include "src/compiler.h" 9 #include "src/compiler.h"
10 #include "src/interpreter/bytecode-register-allocator.h" 10 #include "src/interpreter/bytecode-register-allocator.h"
(...skipping 2280 matching lines...) Expand 10 before | Expand all | Expand 10 after
2291 RegisterAllocationScope register_scope(this); 2291 RegisterAllocationScope register_scope(this);
2292 2292
2293 // Update state to indicate that we have finished resuming. Loop headers 2293 // Update state to indicate that we have finished resuming. Loop headers
2294 // rely on this. 2294 // rely on this.
2295 builder() 2295 builder()
2296 ->LoadLiteral(Smi::FromInt(JSGeneratorObject::kGeneratorExecuting)) 2296 ->LoadLiteral(Smi::FromInt(JSGeneratorObject::kGeneratorExecuting))
2297 .StoreAccumulatorInRegister(generator_state_); 2297 .StoreAccumulatorInRegister(generator_state_);
2298 2298
2299 Register input = register_allocator()->NewRegister(); 2299 Register input = register_allocator()->NewRegister();
2300 builder() 2300 builder()
2301 ->CallRuntime(Runtime::kGeneratorGetInput, generator, 1) 2301 ->CallRuntime(Runtime::kInlineGeneratorGetInput, generator, 1)
2302 .StoreAccumulatorInRegister(input); 2302 .StoreAccumulatorInRegister(input);
2303 2303
2304 Register resume_mode = register_allocator()->NewRegister(); 2304 Register resume_mode = register_allocator()->NewRegister();
2305 builder() 2305 builder()
2306 ->CallRuntime(Runtime::kGeneratorGetResumeMode, generator, 1) 2306 ->CallRuntime(Runtime::kInlineGeneratorGetResumeMode, generator, 1)
2307 .StoreAccumulatorInRegister(resume_mode); 2307 .StoreAccumulatorInRegister(resume_mode);
2308 2308
2309 // Now dispatch on resume mode. 2309 // Now dispatch on resume mode.
2310 2310
2311 BytecodeLabel resume_with_next; 2311 BytecodeLabel resume_with_next;
2312 BytecodeLabel resume_with_return; 2312 BytecodeLabel resume_with_return;
2313 BytecodeLabel resume_with_throw; 2313 BytecodeLabel resume_with_throw;
2314 2314
2315 builder() 2315 builder()
2316 ->LoadLiteral(Smi::FromInt(JSGeneratorObject::kNext)) 2316 ->LoadLiteral(Smi::FromInt(JSGeneratorObject::kNext))
2317 .CompareOperation(Token::EQ_STRICT, resume_mode) 2317 .CompareOperation(Token::EQ_STRICT, resume_mode)
2318 .JumpIfTrue(&resume_with_next) 2318 .JumpIfTrue(&resume_with_next)
2319 .LoadLiteral(Smi::FromInt(JSGeneratorObject::kThrow)) 2319 .LoadLiteral(Smi::FromInt(JSGeneratorObject::kThrow))
2320 .CompareOperation(Token::EQ_STRICT, resume_mode) 2320 .CompareOperation(Token::EQ_STRICT, resume_mode)
2321 .JumpIfTrue(&resume_with_throw) 2321 .JumpIfTrue(&resume_with_throw)
2322 .Jump(&resume_with_return); 2322 .Jump(&resume_with_return);
2323 2323
2324 builder()->Bind(&resume_with_return); 2324 builder()->Bind(&resume_with_return);
2325 { 2325 {
2326 register_allocator()->PrepareForConsecutiveAllocations(2); 2326 register_allocator()->PrepareForConsecutiveAllocations(2);
2327 Register value = register_allocator()->NextConsecutiveRegister(); 2327 Register value = register_allocator()->NextConsecutiveRegister();
2328 Register done = register_allocator()->NextConsecutiveRegister(); 2328 Register done = register_allocator()->NextConsecutiveRegister();
2329 builder() 2329 builder()
2330 ->MoveRegister(input, value) 2330 ->MoveRegister(input, value)
2331 .LoadTrue() 2331 .LoadTrue()
2332 .StoreAccumulatorInRegister(done) 2332 .StoreAccumulatorInRegister(done)
2333 .CallRuntime(Runtime::kCreateIterResultObject, value, 2); 2333 .CallRuntime(Runtime::kInlineCreateIterResultObject, value, 2);
2334 execution_control()->ReturnAccumulator(); 2334 execution_control()->ReturnAccumulator();
2335 } 2335 }
2336 2336
2337 builder()->Bind(&resume_with_throw); 2337 builder()->Bind(&resume_with_throw);
2338 builder() 2338 builder()
2339 ->LoadAccumulatorWithRegister(input) 2339 ->LoadAccumulatorWithRegister(input)
2340 .Throw(); 2340 .Throw();
2341 2341
2342 builder()->Bind(&resume_with_next); 2342 builder()->Bind(&resume_with_next);
2343 builder()->LoadAccumulatorWithRegister(input); 2343 builder()->LoadAccumulatorWithRegister(input);
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3275 } 3275 }
3276 3276
3277 3277
3278 int BytecodeGenerator::feedback_index(FeedbackVectorSlot slot) const { 3278 int BytecodeGenerator::feedback_index(FeedbackVectorSlot slot) const {
3279 return info()->shared_info()->feedback_vector()->GetIndex(slot); 3279 return info()->shared_info()->feedback_vector()->GetIndex(slot);
3280 } 3280 }
3281 3281
3282 } // namespace interpreter 3282 } // namespace interpreter
3283 } // namespace internal 3283 } // namespace internal
3284 } // namespace v8 3284 } // namespace v8
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