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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 "v8.h" | 5 #include "v8.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
| 8 | 8 |
| 9 #include "code-stubs.h" | 9 #include "code-stubs.h" |
| 10 #include "codegen.h" | 10 #include "codegen.h" |
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| 2246 | 2246 |
| 2247 // Only the value field needs a write barrier, as the other values are in the | 2247 // Only the value field needs a write barrier, as the other values are in the |
| 2248 // root set. | 2248 // root set. |
| 2249 __ RecordWriteField(rax, JSGeneratorObject::kResultValuePropertyOffset, | 2249 __ RecordWriteField(rax, JSGeneratorObject::kResultValuePropertyOffset, |
| 2250 rcx, rdx, kDontSaveFPRegs); | 2250 rcx, rdx, kDontSaveFPRegs); |
| 2251 } | 2251 } |
| 2252 | 2252 |
| 2253 | 2253 |
| 2254 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { | 2254 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { |
| 2255 SetSourcePosition(prop->position()); | 2255 SetSourcePosition(prop->position()); |
| 2256 Literal* key = prop->key()->AsLiteral(); | 2256 Literal* key = prop->key()->AsStringLiteral(); |
| 2257 __ Move(rcx, key->value()); | 2257 __ Move(rcx, key->value()); |
| 2258 CallLoadIC(NOT_CONTEXTUAL, prop->PropertyFeedbackId()); | 2258 CallLoadIC(NOT_CONTEXTUAL, prop->PropertyFeedbackId()); |
| 2259 } | 2259 } |
| 2260 | 2260 |
| 2261 | 2261 |
| 2262 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { | 2262 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { |
| 2263 SetSourcePosition(prop->position()); | 2263 SetSourcePosition(prop->position()); |
| 2264 Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize(); | 2264 Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize(); |
| 2265 CallIC(ic, prop->PropertyFeedbackId()); | 2265 CallIC(ic, prop->PropertyFeedbackId()); |
| 2266 } | 2266 } |
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| 2358 Variable* var = expr->AsVariableProxy()->var(); | 2358 Variable* var = expr->AsVariableProxy()->var(); |
| 2359 EffectContext context(this); | 2359 EffectContext context(this); |
| 2360 EmitVariableAssignment(var, Token::ASSIGN); | 2360 EmitVariableAssignment(var, Token::ASSIGN); |
| 2361 break; | 2361 break; |
| 2362 } | 2362 } |
| 2363 case NAMED_PROPERTY: { | 2363 case NAMED_PROPERTY: { |
| 2364 __ Push(rax); // Preserve value. | 2364 __ Push(rax); // Preserve value. |
| 2365 VisitForAccumulatorValue(prop->obj()); | 2365 VisitForAccumulatorValue(prop->obj()); |
| 2366 __ movp(rdx, rax); | 2366 __ movp(rdx, rax); |
| 2367 __ Pop(rax); // Restore value. | 2367 __ Pop(rax); // Restore value. |
| 2368 __ Move(rcx, prop->key()->AsLiteral()->value()); | 2368 __ Move(rcx, prop->key()->AsStringLiteral()->value()); |
| 2369 CallStoreIC(); | 2369 CallStoreIC(); |
| 2370 break; | 2370 break; |
| 2371 } | 2371 } |
| 2372 case KEYED_PROPERTY: { | 2372 case KEYED_PROPERTY: { |
| 2373 __ Push(rax); // Preserve value. | 2373 __ Push(rax); // Preserve value. |
| 2374 VisitForStackValue(prop->obj()); | 2374 VisitForStackValue(prop->obj()); |
| 2375 VisitForAccumulatorValue(prop->key()); | 2375 VisitForAccumulatorValue(prop->key()); |
| 2376 __ movp(rcx, rax); | 2376 __ movp(rcx, rax); |
| 2377 __ Pop(rdx); | 2377 __ Pop(rdx); |
| 2378 __ Pop(rax); // Restore value. | 2378 __ Pop(rax); // Restore value. |
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| 2470 } | 2470 } |
| 2471 } | 2471 } |
| 2472 // Non-initializing assignments to consts are ignored. | 2472 // Non-initializing assignments to consts are ignored. |
| 2473 } | 2473 } |
| 2474 | 2474 |
| 2475 | 2475 |
| 2476 void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) { | 2476 void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) { |
| 2477 // Assignment to a property, using a named store IC. | 2477 // Assignment to a property, using a named store IC. |
| 2478 Property* prop = expr->target()->AsProperty(); | 2478 Property* prop = expr->target()->AsProperty(); |
| 2479 ASSERT(prop != NULL); | 2479 ASSERT(prop != NULL); |
| 2480 ASSERT(prop->key()->AsLiteral() != NULL); | 2480 ASSERT(prop->key()->AsStringLiteral() != NULL); |
| 2481 | 2481 |
| 2482 // Record source code position before IC call. | 2482 // Record source code position before IC call. |
| 2483 SetSourcePosition(expr->position()); | 2483 SetSourcePosition(expr->position()); |
| 2484 __ Move(rcx, prop->key()->AsLiteral()->value()); | 2484 __ Move(rcx, prop->key()->AsStringLiteral()->value()); |
| 2485 __ Pop(rdx); | 2485 __ Pop(rdx); |
| 2486 CallStoreIC(expr->AssignmentFeedbackId()); | 2486 CallStoreIC(expr->AssignmentFeedbackId()); |
| 2487 | 2487 |
| 2488 PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); | 2488 PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); |
| 2489 context()->Plug(rax); | 2489 context()->Plug(rax); |
| 2490 } | 2490 } |
| 2491 | 2491 |
| 2492 | 2492 |
| 2493 void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) { | 2493 void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) { |
| 2494 // Assignment to a property, using a keyed store IC. | 2494 // Assignment to a property, using a keyed store IC. |
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| 3287 __ movp(rax, FieldOperand(rax, JSValue::kValueOffset)); | 3287 __ movp(rax, FieldOperand(rax, JSValue::kValueOffset)); |
| 3288 | 3288 |
| 3289 __ bind(&done); | 3289 __ bind(&done); |
| 3290 context()->Plug(rax); | 3290 context()->Plug(rax); |
| 3291 } | 3291 } |
| 3292 | 3292 |
| 3293 | 3293 |
| 3294 void FullCodeGenerator::EmitDateField(CallRuntime* expr) { | 3294 void FullCodeGenerator::EmitDateField(CallRuntime* expr) { |
| 3295 ZoneList<Expression*>* args = expr->arguments(); | 3295 ZoneList<Expression*>* args = expr->arguments(); |
| 3296 ASSERT(args->length() == 2); | 3296 ASSERT(args->length() == 2); |
| 3297 ASSERT_NE(NULL, args->at(1)->AsLiteral()); | 3297 ASSERT_NE(NULL, args->at(1)->AsNumberLiteral()); |
| 3298 Smi* index = Smi::cast(*(args->at(1)->AsLiteral()->value())); | 3298 Smi* index = Smi::cast(*(args->at(1)->AsNumberLiteral()->value())); |
| 3299 | 3299 |
| 3300 VisitForAccumulatorValue(args->at(0)); // Load the object. | 3300 VisitForAccumulatorValue(args->at(0)); // Load the object. |
| 3301 | 3301 |
| 3302 Label runtime, done, not_date_object; | 3302 Label runtime, done, not_date_object; |
| 3303 Register object = rax; | 3303 Register object = rax; |
| 3304 Register result = rax; | 3304 Register result = rax; |
| 3305 Register scratch = rcx; | 3305 Register scratch = rcx; |
| 3306 | 3306 |
| 3307 __ JumpIfSmi(object, ¬_date_object); | 3307 __ JumpIfSmi(object, ¬_date_object); |
| 3308 __ CmpObjectType(object, JS_DATE_TYPE, scratch); | 3308 __ CmpObjectType(object, JS_DATE_TYPE, scratch); |
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| 3639 __ Pop(rcx); | 3639 __ Pop(rcx); |
| 3640 __ CallStub(&stub); | 3640 __ CallStub(&stub); |
| 3641 context()->Plug(rax); | 3641 context()->Plug(rax); |
| 3642 } | 3642 } |
| 3643 | 3643 |
| 3644 | 3644 |
| 3645 void FullCodeGenerator::EmitGetFromCache(CallRuntime* expr) { | 3645 void FullCodeGenerator::EmitGetFromCache(CallRuntime* expr) { |
| 3646 ZoneList<Expression*>* args = expr->arguments(); | 3646 ZoneList<Expression*>* args = expr->arguments(); |
| 3647 ASSERT_EQ(2, args->length()); | 3647 ASSERT_EQ(2, args->length()); |
| 3648 | 3648 |
| 3649 ASSERT_NE(NULL, args->at(0)->AsLiteral()); | 3649 ASSERT_NE(NULL, args->at(0)->AsNumberLiteral()); |
| 3650 int cache_id = Smi::cast(*(args->at(0)->AsLiteral()->value()))->value(); | 3650 int cache_id = Smi::cast(*(args->at(0)->AsNumberLiteral()->value()))->value(); |
| 3651 | 3651 |
| 3652 Handle<FixedArray> jsfunction_result_caches( | 3652 Handle<FixedArray> jsfunction_result_caches( |
| 3653 isolate()->native_context()->jsfunction_result_caches()); | 3653 isolate()->native_context()->jsfunction_result_caches()); |
| 3654 if (jsfunction_result_caches->length() <= cache_id) { | 3654 if (jsfunction_result_caches->length() <= cache_id) { |
| 3655 __ Abort(kAttemptToUseUndefinedCache); | 3655 __ Abort(kAttemptToUseUndefinedCache); |
| 3656 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); | 3656 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
| 3657 context()->Plug(rax); | 3657 context()->Plug(rax); |
| 3658 return; | 3658 return; |
| 3659 } | 3659 } |
| 3660 | 3660 |
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| 4331 } | 4331 } |
| 4332 } else { | 4332 } else { |
| 4333 // Perform the assignment as if via '='. | 4333 // Perform the assignment as if via '='. |
| 4334 EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), | 4334 EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), |
| 4335 Token::ASSIGN); | 4335 Token::ASSIGN); |
| 4336 PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); | 4336 PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); |
| 4337 context()->Plug(rax); | 4337 context()->Plug(rax); |
| 4338 } | 4338 } |
| 4339 break; | 4339 break; |
| 4340 case NAMED_PROPERTY: { | 4340 case NAMED_PROPERTY: { |
| 4341 __ Move(rcx, prop->key()->AsLiteral()->value()); | 4341 __ Move(rcx, prop->key()->AsStringLiteral()->value()); |
| 4342 __ Pop(rdx); | 4342 __ Pop(rdx); |
| 4343 CallStoreIC(expr->CountStoreFeedbackId()); | 4343 CallStoreIC(expr->CountStoreFeedbackId()); |
| 4344 PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); | 4344 PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); |
| 4345 if (expr->is_postfix()) { | 4345 if (expr->is_postfix()) { |
| 4346 if (!context()->IsEffect()) { | 4346 if (!context()->IsEffect()) { |
| 4347 context()->PlugTOS(); | 4347 context()->PlugTOS(); |
| 4348 } | 4348 } |
| 4349 } else { | 4349 } else { |
| 4350 context()->Plug(rax); | 4350 context()->Plug(rax); |
| 4351 } | 4351 } |
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| 4810 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4810 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
| 4811 Assembler::target_address_at(call_target_address, | 4811 Assembler::target_address_at(call_target_address, |
| 4812 unoptimized_code)); | 4812 unoptimized_code)); |
| 4813 return OSR_AFTER_STACK_CHECK; | 4813 return OSR_AFTER_STACK_CHECK; |
| 4814 } | 4814 } |
| 4815 | 4815 |
| 4816 | 4816 |
| 4817 } } // namespace v8::internal | 4817 } } // namespace v8::internal |
| 4818 | 4818 |
| 4819 #endif // V8_TARGET_ARCH_X64 | 4819 #endif // V8_TARGET_ARCH_X64 |
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