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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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