| OLD | NEW |
| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| (...skipping 262 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 273 VisitVariableDeclaration(function); | 273 VisitVariableDeclaration(function); |
| 274 } | 274 } |
| 275 VisitDeclarations(scope()->declarations()); | 275 VisitDeclarations(scope()->declarations()); |
| 276 } | 276 } |
| 277 | 277 |
| 278 { Comment cmnt(masm_, "[ Stack check"); | 278 { Comment cmnt(masm_, "[ Stack check"); |
| 279 PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS); | 279 PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS); |
| 280 Label ok; | 280 Label ok; |
| 281 __ CompareRoot(rsp, Heap::kStackLimitRootIndex); | 281 __ CompareRoot(rsp, Heap::kStackLimitRootIndex); |
| 282 __ j(above_equal, &ok, Label::kNear); | 282 __ j(above_equal, &ok, Label::kNear); |
| 283 StackCheckStub stub; | 283 __ call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET); |
| 284 __ CallStub(&stub); | |
| 285 __ bind(&ok); | 284 __ bind(&ok); |
| 286 } | 285 } |
| 287 | 286 |
| 288 { Comment cmnt(masm_, "[ Body"); | 287 { Comment cmnt(masm_, "[ Body"); |
| 289 ASSERT(loop_depth() == 0); | 288 ASSERT(loop_depth() == 0); |
| 290 VisitStatements(function()->body()); | 289 VisitStatements(function()->body()); |
| 291 ASSERT(loop_depth() == 0); | 290 ASSERT(loop_depth() == 0); |
| 292 } | 291 } |
| 293 } | 292 } |
| 294 | 293 |
| (...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 334 | 333 |
| 335 int weight = 1; | 334 int weight = 1; |
| 336 if (FLAG_weighted_back_edges) { | 335 if (FLAG_weighted_back_edges) { |
| 337 ASSERT(back_edge_target->is_bound()); | 336 ASSERT(back_edge_target->is_bound()); |
| 338 int distance = masm_->SizeOfCodeGeneratedSince(back_edge_target); | 337 int distance = masm_->SizeOfCodeGeneratedSince(back_edge_target); |
| 339 weight = Min(kMaxBackEdgeWeight, | 338 weight = Min(kMaxBackEdgeWeight, |
| 340 Max(1, distance / kCodeSizeMultiplier)); | 339 Max(1, distance / kCodeSizeMultiplier)); |
| 341 } | 340 } |
| 342 EmitProfilingCounterDecrement(weight); | 341 EmitProfilingCounterDecrement(weight); |
| 343 __ j(positive, &ok, Label::kNear); | 342 __ j(positive, &ok, Label::kNear); |
| 344 InterruptStub stub; | 343 __ call(isolate()->builtins()->InterruptCheck(), RelocInfo::CODE_TARGET); |
| 345 __ CallStub(&stub); | |
| 346 | 344 |
| 347 // Record a mapping of this PC offset to the OSR id. This is used to find | 345 // Record a mapping of this PC offset to the OSR id. This is used to find |
| 348 // the AST id from the unoptimized code in order to use it as a key into | 346 // the AST id from the unoptimized code in order to use it as a key into |
| 349 // the deoptimization input data found in the optimized code. | 347 // the deoptimization input data found in the optimized code. |
| 350 RecordBackEdge(stmt->OsrEntryId()); | 348 RecordBackEdge(stmt->OsrEntryId()); |
| 351 | 349 |
| 352 EmitProfilingCounterReset(); | 350 EmitProfilingCounterReset(); |
| 353 | 351 |
| 354 __ bind(&ok); | 352 __ bind(&ok); |
| 355 PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS); | 353 PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS); |
| (...skipping 25 matching lines...) Expand all Loading... |
| 381 Max(1, distance / kCodeSizeMultiplier)); | 379 Max(1, distance / kCodeSizeMultiplier)); |
| 382 } | 380 } |
| 383 EmitProfilingCounterDecrement(weight); | 381 EmitProfilingCounterDecrement(weight); |
| 384 Label ok; | 382 Label ok; |
| 385 __ j(positive, &ok, Label::kNear); | 383 __ j(positive, &ok, Label::kNear); |
| 386 __ push(rax); | 384 __ push(rax); |
| 387 if (info_->ShouldSelfOptimize() && FLAG_direct_self_opt) { | 385 if (info_->ShouldSelfOptimize() && FLAG_direct_self_opt) { |
| 388 __ push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 386 __ push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
| 389 __ CallRuntime(Runtime::kOptimizeFunctionOnNextCall, 1); | 387 __ CallRuntime(Runtime::kOptimizeFunctionOnNextCall, 1); |
| 390 } else { | 388 } else { |
| 391 InterruptStub stub; | 389 __ call(isolate()->builtins()->InterruptCheck(), |
| 392 __ CallStub(&stub); | 390 RelocInfo::CODE_TARGET); |
| 393 } | 391 } |
| 394 __ pop(rax); | 392 __ pop(rax); |
| 395 EmitProfilingCounterReset(); | 393 EmitProfilingCounterReset(); |
| 396 __ bind(&ok); | 394 __ bind(&ok); |
| 397 } | 395 } |
| 398 #ifdef DEBUG | 396 #ifdef DEBUG |
| 399 // Add a label for checking the size of the code used for returning. | 397 // Add a label for checking the size of the code used for returning. |
| 400 Label check_exit_codesize; | 398 Label check_exit_codesize; |
| 401 masm_->bind(&check_exit_codesize); | 399 masm_->bind(&check_exit_codesize); |
| 402 #endif | 400 #endif |
| (...skipping 4475 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 4878 *context_length = 0; | 4876 *context_length = 0; |
| 4879 return previous_; | 4877 return previous_; |
| 4880 } | 4878 } |
| 4881 | 4879 |
| 4882 | 4880 |
| 4883 #undef __ | 4881 #undef __ |
| 4884 | 4882 |
| 4885 } } // namespace v8::internal | 4883 } } // namespace v8::internal |
| 4886 | 4884 |
| 4887 #endif // V8_TARGET_ARCH_X64 | 4885 #endif // V8_TARGET_ARCH_X64 |
| OLD | NEW |