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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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411 value->Unuse(); | 411 value->Unuse(); |
412 } | 412 } |
413 | 413 |
414 | 414 |
415 void VirtualFrame::PushFrameSlotAt(int index) { | 415 void VirtualFrame::PushFrameSlotAt(int index) { |
416 FrameElement new_element = CopyElementAt(index); | 416 FrameElement new_element = CopyElementAt(index); |
417 elements_.Add(new_element); | 417 elements_.Add(new_element); |
418 } | 418 } |
419 | 419 |
420 | 420 |
421 Result VirtualFrame::CallStub(CodeStub* stub, int frame_arg_count) { | 421 Result VirtualFrame::CallStub(CodeStub* stub, int arg_count) { |
422 PrepareForCall(frame_arg_count, frame_arg_count); | 422 PrepareForCall(arg_count, arg_count); |
423 return RawCallStub(stub, frame_arg_count); | 423 return RawCallStub(stub); |
424 } | 424 } |
425 | 425 |
426 | 426 |
427 Result VirtualFrame::CallStub(CodeStub* stub, | 427 Result VirtualFrame::CallStub(CodeStub* stub, Result* arg, int arg_count) { |
428 Result* arg, | 428 PrepareForCall(arg_count, arg_count); |
429 int frame_arg_count) { | |
430 PrepareForCall(frame_arg_count, frame_arg_count); | |
431 arg->Unuse(); | 429 arg->Unuse(); |
432 return RawCallStub(stub, frame_arg_count); | 430 return RawCallStub(stub); |
433 } | 431 } |
434 | 432 |
435 | 433 |
436 Result VirtualFrame::CallStub(CodeStub* stub, | 434 Result VirtualFrame::CallStub(CodeStub* stub, |
437 Result* arg0, | 435 Result* arg0, |
438 Result* arg1, | 436 Result* arg1, |
439 int frame_arg_count) { | 437 int arg_count) { |
440 PrepareForCall(frame_arg_count, frame_arg_count); | 438 PrepareForCall(arg_count, arg_count); |
441 arg0->Unuse(); | 439 arg0->Unuse(); |
442 arg1->Unuse(); | 440 arg1->Unuse(); |
443 return RawCallStub(stub, frame_arg_count); | 441 return RawCallStub(stub); |
444 } | |
445 | |
446 | |
447 Result VirtualFrame::CallCodeObject(Handle<Code> code, | |
448 RelocInfo::Mode rmode, | |
449 int dropped_args) { | |
450 int spilled_args = 0; | |
451 switch (code->kind()) { | |
452 case Code::CALL_IC: | |
453 spilled_args = dropped_args + 1; | |
454 break; | |
455 case Code::FUNCTION: | |
456 spilled_args = dropped_args + 1; | |
457 break; | |
458 #ifdef ARM | |
459 case Code::KEYED_LOAD_IC: | |
460 ASSERT(dropped_args == 0); | |
461 spilled_args = 2; | |
462 break; | |
463 #endif | |
464 default: | |
465 // The other types of code objects are called with values | |
466 // in specific registers, and are handled in functions with | |
467 // a different signature. | |
468 UNREACHABLE(); | |
469 break; | |
470 } | |
471 PrepareForCall(spilled_args, dropped_args); | |
472 return RawCallCodeObject(code, rmode); | |
473 } | 442 } |
474 | 443 |
475 | 444 |
476 void VirtualFrame::Push(Register reg) { | 445 void VirtualFrame::Push(Register reg) { |
477 if (is_used(reg)) { | 446 if (is_used(reg)) { |
478 elements_.Add(CopyElementAt(register_index(reg))); | 447 elements_.Add(CopyElementAt(register_index(reg))); |
479 } else { | 448 } else { |
480 Use(reg, elements_.length()); | 449 Use(reg, elements_.length()); |
481 elements_.Add(FrameElement::RegisterElement(reg, FrameElement::NOT_SYNCED)); | 450 elements_.Add(FrameElement::RegisterElement(reg, FrameElement::NOT_SYNCED)); |
482 } | 451 } |
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545 #endif | 514 #endif |
546 if (stack_pointer_ != other->stack_pointer_) return false; | 515 if (stack_pointer_ != other->stack_pointer_) return false; |
547 for (int i = 0; i < elements_.length(); i++) { | 516 for (int i = 0; i < elements_.length(); i++) { |
548 if (!elements_[i].Equals(other->elements_[i])) return false; | 517 if (!elements_[i].Equals(other->elements_[i])) return false; |
549 } | 518 } |
550 | 519 |
551 return true; | 520 return true; |
552 } | 521 } |
553 | 522 |
554 } } // namespace v8::internal | 523 } } // namespace v8::internal |
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