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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 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
| 6 | 6 |
| 7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
| 8 #include "src/api-arguments.h" | 8 #include "src/api-arguments.h" |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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| 360 __ j(equal, &miss); | 360 __ j(equal, &miss); |
| 361 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); | 361 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); |
| 362 __ ret(0); | 362 __ ret(0); |
| 363 | 363 |
| 364 __ bind(&miss); | 364 __ bind(&miss); |
| 365 PropertyAccessCompiler::TailCallBuiltin( | 365 PropertyAccessCompiler::TailCallBuiltin( |
| 366 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); | 366 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); |
| 367 } | 367 } |
| 368 | 368 |
| 369 | 369 |
| 370 void LoadIndexedInterceptorStub::Generate(MacroAssembler* masm) { | |
| 371 // Return address is on the stack. | |
| 372 Label slow; | |
| 373 | |
| 374 Register receiver = LoadDescriptor::ReceiverRegister(); | |
| 375 Register key = LoadDescriptor::NameRegister(); | |
| 376 Register scratch = eax; | |
| 377 DCHECK(!scratch.is(receiver) && !scratch.is(key)); | |
| 378 | |
| 379 // Check that the key is an array index, that is Uint32. | |
| 380 __ test(key, Immediate(kSmiTagMask | kSmiSignMask)); | |
| 381 __ j(not_zero, &slow); | |
| 382 | |
| 383 // Everything is fine, call runtime. | |
| 384 __ pop(scratch); | |
| 385 __ push(receiver); // receiver | |
| 386 __ push(key); // key | |
| 387 __ push(scratch); // return address | |
| 388 | |
| 389 // Perform tail call to the entry. | |
| 390 __ TailCallRuntime(Runtime::kLoadElementWithInterceptor); | |
| 391 | |
| 392 __ bind(&slow); | |
| 393 PropertyAccessCompiler::TailCallBuiltin( | |
| 394 masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC)); | |
| 395 } | |
| 396 | |
| 397 | |
| 398 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { | 370 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { |
| 399 // Return address is on the stack. | 371 // Return address is on the stack. |
| 400 Label miss; | 372 Label miss; |
| 401 | 373 |
| 402 Register receiver = LoadDescriptor::ReceiverRegister(); | 374 Register receiver = LoadDescriptor::ReceiverRegister(); |
| 403 Register index = LoadDescriptor::NameRegister(); | 375 Register index = LoadDescriptor::NameRegister(); |
| 404 Register scratch = edi; | 376 Register scratch = edi; |
| 405 DCHECK(!scratch.is(receiver) && !scratch.is(index)); | 377 DCHECK(!scratch.is(receiver) && !scratch.is(index)); |
| 406 Register result = eax; | 378 Register result = eax; |
| 407 DCHECK(!result.is(scratch)); | 379 DCHECK(!result.is(scratch)); |
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| 5532 return_value_operand, NULL); | 5504 return_value_operand, NULL); |
| 5533 } | 5505 } |
| 5534 | 5506 |
| 5535 | 5507 |
| 5536 #undef __ | 5508 #undef __ |
| 5537 | 5509 |
| 5538 } // namespace internal | 5510 } // namespace internal |
| 5539 } // namespace v8 | 5511 } // namespace v8 |
| 5540 | 5512 |
| 5541 #endif // V8_TARGET_ARCH_X87 | 5513 #endif // V8_TARGET_ARCH_X87 |
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