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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 // 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 |
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334 | 334 |
335 | 335 |
336 // Defined in ic.cc. | 336 // Defined in ic.cc. |
337 Object* CallIC_Miss(Arguments args); | 337 Object* CallIC_Miss(Arguments args); |
338 | 338 |
339 // The generated code does not accept smi keys. | 339 // The generated code does not accept smi keys. |
340 // The generated code falls through if both probes miss. | 340 // The generated code falls through if both probes miss. |
341 void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm, | 341 void CallICBase::GenerateMonomorphicCacheProbe(MacroAssembler* masm, |
342 int argc, | 342 int argc, |
343 Code::Kind kind, | 343 Code::Kind kind, |
344 Code::ExtraICState extra_state) { | 344 ExtraICState extra_state) { |
345 // ----------- S t a t e ------------- | 345 // ----------- S t a t e ------------- |
346 // -- r1 : receiver | 346 // -- r1 : receiver |
347 // -- r2 : name | 347 // -- r2 : name |
348 // ----------------------------------- | 348 // ----------------------------------- |
349 Label number, non_number, non_string, boolean, probe, miss; | 349 Label number, non_number, non_string, boolean, probe, miss; |
350 | 350 |
351 // Probe the stub cache. | 351 // Probe the stub cache. |
352 Code::Flags flags = Code::ComputeFlags(kind, | 352 Code::Flags flags = Code::ComputeFlags(kind, |
353 MONOMORPHIC, | 353 MONOMORPHIC, |
354 extra_state, | 354 extra_state, |
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438 | 438 |
439 GenerateFunctionTailCall(masm, argc, &miss, r4); | 439 GenerateFunctionTailCall(masm, argc, &miss, r4); |
440 | 440 |
441 __ bind(&miss); | 441 __ bind(&miss); |
442 } | 442 } |
443 | 443 |
444 | 444 |
445 void CallICBase::GenerateMiss(MacroAssembler* masm, | 445 void CallICBase::GenerateMiss(MacroAssembler* masm, |
446 int argc, | 446 int argc, |
447 IC::UtilityId id, | 447 IC::UtilityId id, |
448 Code::ExtraICState extra_state) { | 448 ExtraICState extra_state) { |
449 // ----------- S t a t e ------------- | 449 // ----------- S t a t e ------------- |
450 // -- r2 : name | 450 // -- r2 : name |
451 // -- lr : return address | 451 // -- lr : return address |
452 // ----------------------------------- | 452 // ----------------------------------- |
453 Isolate* isolate = masm->isolate(); | 453 Isolate* isolate = masm->isolate(); |
454 | 454 |
455 if (id == IC::kCallIC_Miss) { | 455 if (id == IC::kCallIC_Miss) { |
456 __ IncrementCounter(isolate->counters()->call_miss(), 1, r3, r4); | 456 __ IncrementCounter(isolate->counters()->call_miss(), 1, r3, r4); |
457 } else { | 457 } else { |
458 __ IncrementCounter(isolate->counters()->keyed_call_miss(), 1, r3, r4); | 458 __ IncrementCounter(isolate->counters()->keyed_call_miss(), 1, r3, r4); |
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504 __ InvokeFunction(r1, | 504 __ InvokeFunction(r1, |
505 actual, | 505 actual, |
506 JUMP_FUNCTION, | 506 JUMP_FUNCTION, |
507 NullCallWrapper(), | 507 NullCallWrapper(), |
508 call_kind); | 508 call_kind); |
509 } | 509 } |
510 | 510 |
511 | 511 |
512 void CallIC::GenerateMegamorphic(MacroAssembler* masm, | 512 void CallIC::GenerateMegamorphic(MacroAssembler* masm, |
513 int argc, | 513 int argc, |
514 Code::ExtraICState extra_ic_state) { | 514 ExtraICState extra_ic_state) { |
515 // ----------- S t a t e ------------- | 515 // ----------- S t a t e ------------- |
516 // -- r2 : name | 516 // -- r2 : name |
517 // -- lr : return address | 517 // -- lr : return address |
518 // ----------------------------------- | 518 // ----------------------------------- |
519 | 519 |
520 // Get the receiver of the function from the stack into r1. | 520 // Get the receiver of the function from the stack into r1. |
521 __ ldr(r1, MemOperand(sp, argc * kPointerSize)); | 521 __ ldr(r1, MemOperand(sp, argc * kPointerSize)); |
522 GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, extra_ic_state); | 522 GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, extra_ic_state); |
523 GenerateMiss(masm, argc, extra_ic_state); | 523 GenerateMiss(masm, argc, extra_ic_state); |
524 } | 524 } |
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603 | 603 |
604 GenerateDictionaryLoad(masm, &slow_load, r0, r2, r1, r3, r4); | 604 GenerateDictionaryLoad(masm, &slow_load, r0, r2, r1, r3, r4); |
605 __ IncrementCounter(counters->keyed_call_generic_lookup_dict(), 1, r0, r3); | 605 __ IncrementCounter(counters->keyed_call_generic_lookup_dict(), 1, r0, r3); |
606 __ jmp(&do_call); | 606 __ jmp(&do_call); |
607 | 607 |
608 __ bind(&lookup_monomorphic_cache); | 608 __ bind(&lookup_monomorphic_cache); |
609 __ IncrementCounter(counters->keyed_call_generic_lookup_cache(), 1, r0, r3); | 609 __ IncrementCounter(counters->keyed_call_generic_lookup_cache(), 1, r0, r3); |
610 GenerateMonomorphicCacheProbe(masm, | 610 GenerateMonomorphicCacheProbe(masm, |
611 argc, | 611 argc, |
612 Code::KEYED_CALL_IC, | 612 Code::KEYED_CALL_IC, |
613 Code::kNoExtraICState); | 613 kNoExtraICState); |
614 // Fall through on miss. | 614 // Fall through on miss. |
615 | 615 |
616 __ bind(&slow_call); | 616 __ bind(&slow_call); |
617 // This branch is taken if: | 617 // This branch is taken if: |
618 // - the receiver requires boxing or access check, | 618 // - the receiver requires boxing or access check, |
619 // - the key is neither smi nor a unique name, | 619 // - the key is neither smi nor a unique name, |
620 // - the value loaded is not a function, | 620 // - the value loaded is not a function, |
621 // - there is hope that the runtime will create a monomorphic call stub | 621 // - there is hope that the runtime will create a monomorphic call stub |
622 // that will get fetched next time. | 622 // that will get fetched next time. |
623 __ IncrementCounter(counters->keyed_call_generic_slow(), 1, r0, r3); | 623 __ IncrementCounter(counters->keyed_call_generic_slow(), 1, r0, r3); |
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649 | 649 |
650 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { | 650 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { |
651 // ----------- S t a t e ------------- | 651 // ----------- S t a t e ------------- |
652 // -- r2 : name | 652 // -- r2 : name |
653 // -- lr : return address | 653 // -- lr : return address |
654 // -- r0 : receiver | 654 // -- r0 : receiver |
655 // ----------------------------------- | 655 // ----------------------------------- |
656 | 656 |
657 // Probe the stub cache. | 657 // Probe the stub cache. |
658 Code::Flags flags = Code::ComputeFlags( | 658 Code::Flags flags = Code::ComputeFlags( |
659 Code::HANDLER, MONOMORPHIC, Code::kNoExtraICState, | 659 Code::HANDLER, MONOMORPHIC, kNoExtraICState, |
660 Code::NORMAL, Code::LOAD_IC); | 660 Code::NORMAL, Code::LOAD_IC); |
661 masm->isolate()->stub_cache()->GenerateProbe( | 661 masm->isolate()->stub_cache()->GenerateProbe( |
662 masm, flags, r0, r2, r3, r4, r5, r6); | 662 masm, flags, r0, r2, r3, r4, r5, r6); |
663 | 663 |
664 // Cache miss: Jump to runtime. | 664 // Cache miss: Jump to runtime. |
665 GenerateMiss(masm); | 665 GenerateMiss(masm); |
666 } | 666 } |
667 | 667 |
668 | 668 |
669 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 669 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
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1677 } else { | 1677 } else { |
1678 ASSERT(Assembler::GetCondition(branch_instr) == ne); | 1678 ASSERT(Assembler::GetCondition(branch_instr) == ne); |
1679 patcher.EmitCondition(eq); | 1679 patcher.EmitCondition(eq); |
1680 } | 1680 } |
1681 } | 1681 } |
1682 | 1682 |
1683 | 1683 |
1684 } } // namespace v8::internal | 1684 } } // namespace v8::internal |
1685 | 1685 |
1686 #endif // V8_TARGET_ARCH_ARM | 1686 #endif // V8_TARGET_ARCH_ARM |
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