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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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336 // With careful management, we won't have to save slot and vector on | 336 // With careful management, we won't have to save slot and vector on |
337 // the stack. Simply handle the possibly missing case first. | 337 // the stack. Simply handle the possibly missing case first. |
338 // TODO(mvstanton): this code can be more efficient. | 338 // TODO(mvstanton): this code can be more efficient. |
339 __ cmp(FieldOperand(receiver, JSFunction::kPrototypeOrInitialMapOffset), | 339 __ cmp(FieldOperand(receiver, JSFunction::kPrototypeOrInitialMapOffset), |
340 Immediate(isolate()->factory()->the_hole_value())); | 340 Immediate(isolate()->factory()->the_hole_value())); |
341 __ j(equal, &miss); | 341 __ j(equal, &miss); |
342 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); | 342 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); |
343 __ ret(0); | 343 __ ret(0); |
344 | 344 |
345 __ bind(&miss); | 345 __ bind(&miss); |
346 PropertyAccessCompiler::TailCallBuiltin( | 346 PropertyAccessCompiler::TailCallMissHandler(masm, Code::LOAD_IC); |
347 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); | |
348 } | 347 } |
349 | 348 |
350 | 349 |
351 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { | 350 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { |
352 // Return address is on the stack. | 351 // Return address is on the stack. |
353 Label miss; | 352 Label miss; |
354 | 353 |
355 Register receiver = LoadDescriptor::ReceiverRegister(); | 354 Register receiver = LoadDescriptor::ReceiverRegister(); |
356 Register index = LoadDescriptor::NameRegister(); | 355 Register index = LoadDescriptor::NameRegister(); |
357 Register scratch = edi; | 356 Register scratch = edi; |
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370 &miss, // When not a number. | 369 &miss, // When not a number. |
371 &miss, // When index out of range. | 370 &miss, // When index out of range. |
372 RECEIVER_IS_STRING); | 371 RECEIVER_IS_STRING); |
373 char_at_generator.GenerateFast(masm); | 372 char_at_generator.GenerateFast(masm); |
374 __ ret(0); | 373 __ ret(0); |
375 | 374 |
376 StubRuntimeCallHelper call_helper; | 375 StubRuntimeCallHelper call_helper; |
377 char_at_generator.GenerateSlow(masm, PART_OF_IC_HANDLER, call_helper); | 376 char_at_generator.GenerateSlow(masm, PART_OF_IC_HANDLER, call_helper); |
378 | 377 |
379 __ bind(&miss); | 378 __ bind(&miss); |
380 PropertyAccessCompiler::TailCallBuiltin( | 379 PropertyAccessCompiler::TailCallMissHandler(masm, Code::KEYED_LOAD_IC); |
381 masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC)); | |
382 } | 380 } |
383 | 381 |
384 | 382 |
385 void RegExpExecStub::Generate(MacroAssembler* masm) { | 383 void RegExpExecStub::Generate(MacroAssembler* masm) { |
386 // Just jump directly to runtime if native RegExp is not selected at compile | 384 // Just jump directly to runtime if native RegExp is not selected at compile |
387 // time or if regexp entry in generated code is turned off runtime switch or | 385 // time or if regexp entry in generated code is turned off runtime switch or |
388 // at compilation. | 386 // at compilation. |
389 #ifdef V8_INTERPRETED_REGEXP | 387 #ifdef V8_INTERPRETED_REGEXP |
390 __ TailCallRuntime(Runtime::kRegExpExec); | 388 __ TailCallRuntime(Runtime::kRegExpExec); |
391 #else // V8_INTERPRETED_REGEXP | 389 #else // V8_INTERPRETED_REGEXP |
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5385 kStackUnwindSpace, nullptr, return_value_operand, | 5383 kStackUnwindSpace, nullptr, return_value_operand, |
5386 NULL); | 5384 NULL); |
5387 } | 5385 } |
5388 | 5386 |
5389 #undef __ | 5387 #undef __ |
5390 | 5388 |
5391 } // namespace internal | 5389 } // namespace internal |
5392 } // namespace v8 | 5390 } // namespace v8 |
5393 | 5391 |
5394 #endif // V8_TARGET_ARCH_X87 | 5392 #endif // V8_TARGET_ARCH_X87 |
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