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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 570 public: | 570 public: |
| 571 RegisterAllocation(Register object, | 571 RegisterAllocation(Register object, |
| 572 Register address, | 572 Register address, |
| 573 Register scratch0) | 573 Register scratch0) |
| 574 : object_orig_(object), | 574 : object_orig_(object), |
| 575 address_orig_(address), | 575 address_orig_(address), |
| 576 scratch0_orig_(scratch0), | 576 scratch0_orig_(scratch0), |
| 577 object_(object), | 577 object_(object), |
| 578 address_(address), | 578 address_(address), |
| 579 scratch0_(scratch0) { | 579 scratch0_(scratch0) { |
| 580 ASSERT(!Aliasing(scratch0, object, address, no_reg)); | 580 ASSERT(!AreAliased(scratch0, object, address, no_reg)); |
| 581 scratch1_ = GetRegThatIsNotEcxOr(object_, address_, scratch0_); | 581 scratch1_ = GetRegThatIsNotEcxOr(object_, address_, scratch0_); |
| 582 if (scratch0.is(ecx)) { | 582 if (scratch0.is(ecx)) { |
| 583 scratch0_ = GetRegThatIsNotEcxOr(object_, address_, scratch1_); | 583 scratch0_ = GetRegThatIsNotEcxOr(object_, address_, scratch1_); |
| 584 } | 584 } |
| 585 if (object.is(ecx)) { | 585 if (object.is(ecx)) { |
| 586 object_ = GetRegThatIsNotEcxOr(address_, scratch0_, scratch1_); | 586 object_ = GetRegThatIsNotEcxOr(address_, scratch0_, scratch1_); |
| 587 } | 587 } |
| 588 if (address.is(ecx)) { | 588 if (address.is(ecx)) { |
| 589 address_ = GetRegThatIsNotEcxOr(object_, scratch0_, scratch1_); | 589 address_ = GetRegThatIsNotEcxOr(object_, scratch0_, scratch1_); |
| 590 } | 590 } |
| 591 ASSERT(!Aliasing(scratch0_, object_, address_, ecx)); | 591 ASSERT(!AreAliased(scratch0_, object_, address_, ecx)); |
| 592 } | 592 } |
| 593 | 593 |
| 594 void Save(MacroAssembler* masm) { | 594 void Save(MacroAssembler* masm) { |
| 595 ASSERT(!address_orig_.is(object_)); | 595 ASSERT(!address_orig_.is(object_)); |
| 596 ASSERT(object_.is(object_orig_) || address_.is(address_orig_)); | 596 ASSERT(object_.is(object_orig_) || address_.is(address_orig_)); |
| 597 ASSERT(!Aliasing(object_, address_, scratch1_, scratch0_)); | 597 ASSERT(!AreAliased(object_, address_, scratch1_, scratch0_)); |
| 598 ASSERT(!Aliasing(object_orig_, address_, scratch1_, scratch0_)); | 598 ASSERT(!AreAliased(object_orig_, address_, scratch1_, scratch0_)); |
| 599 ASSERT(!Aliasing(object_, address_orig_, scratch1_, scratch0_)); | 599 ASSERT(!AreAliased(object_, address_orig_, scratch1_, scratch0_)); |
| 600 // We don't have to save scratch0_orig_ because it was given to us as | 600 // We don't have to save scratch0_orig_ because it was given to us as |
| 601 // a scratch register. But if we had to switch to a different reg then | 601 // a scratch register. But if we had to switch to a different reg then |
| 602 // we should save the new scratch0_. | 602 // we should save the new scratch0_. |
| 603 if (!scratch0_.is(scratch0_orig_)) masm->push(scratch0_); | 603 if (!scratch0_.is(scratch0_orig_)) masm->push(scratch0_); |
| 604 if (!ecx.is(scratch0_orig_) && | 604 if (!ecx.is(scratch0_orig_) && |
| 605 !ecx.is(object_orig_) && | 605 !ecx.is(object_orig_) && |
| 606 !ecx.is(address_orig_)) { | 606 !ecx.is(address_orig_)) { |
| 607 masm->push(ecx); | 607 masm->push(ecx); |
| 608 } | 608 } |
| 609 masm->push(scratch1_); | 609 masm->push(scratch1_); |
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| 779 Register scratch1, | 779 Register scratch1, |
| 780 bool load_elements_from_receiver, | 780 bool load_elements_from_receiver, |
| 781 Label* key_not_smi, | 781 Label* key_not_smi, |
| 782 Label* value_not_smi, | 782 Label* value_not_smi, |
| 783 Label* not_pixel_array, | 783 Label* not_pixel_array, |
| 784 Label* out_of_range); | 784 Label* out_of_range); |
| 785 | 785 |
| 786 } } // namespace v8::internal | 786 } } // namespace v8::internal |
| 787 | 787 |
| 788 #endif // V8_IA32_CODE_STUBS_IA32_H_ | 788 #endif // V8_IA32_CODE_STUBS_IA32_H_ |
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