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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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3469 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { | 3469 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { |
3470 ZoneList<Expression*>* args = expr->arguments(); | 3470 ZoneList<Expression*>* args = expr->arguments(); |
3471 ASSERT_EQ(3, args->length()); | 3471 ASSERT_EQ(3, args->length()); |
3472 | 3472 |
3473 Register string = eax; | 3473 Register string = eax; |
3474 Register index = ebx; | 3474 Register index = ebx; |
3475 Register value = ecx; | 3475 Register value = ecx; |
3476 | 3476 |
3477 VisitForStackValue(args->at(1)); // index | 3477 VisitForStackValue(args->at(1)); // index |
3478 VisitForStackValue(args->at(2)); // value | 3478 VisitForStackValue(args->at(2)); // value |
| 3479 VisitForAccumulatorValue(args->at(0)); // string |
| 3480 |
3479 __ pop(value); | 3481 __ pop(value); |
3480 __ pop(index); | 3482 __ pop(index); |
3481 VisitForAccumulatorValue(args->at(0)); // string | |
3482 | |
3483 | 3483 |
3484 if (FLAG_debug_code) { | 3484 if (FLAG_debug_code) { |
3485 static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag; | 3485 static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag; |
3486 EmitSeqStringSetCharCheck(string, index, value, one_byte_seq_type); | 3486 EmitSeqStringSetCharCheck(string, index, value, one_byte_seq_type); |
3487 } | 3487 } |
3488 | 3488 |
3489 __ SmiUntag(value); | 3489 __ SmiUntag(value); |
3490 __ SmiUntag(index); | 3490 __ SmiUntag(index); |
3491 __ mov_b(FieldOperand(string, index, times_1, SeqOneByteString::kHeaderSize), | 3491 __ mov_b(FieldOperand(string, index, times_1, SeqOneByteString::kHeaderSize), |
3492 value); | 3492 value); |
3493 context()->Plug(string); | 3493 context()->Plug(string); |
3494 } | 3494 } |
3495 | 3495 |
3496 | 3496 |
3497 void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) { | 3497 void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) { |
3498 ZoneList<Expression*>* args = expr->arguments(); | 3498 ZoneList<Expression*>* args = expr->arguments(); |
3499 ASSERT_EQ(3, args->length()); | 3499 ASSERT_EQ(3, args->length()); |
3500 | 3500 |
3501 Register string = eax; | 3501 Register string = eax; |
3502 Register index = ebx; | 3502 Register index = ebx; |
3503 Register value = ecx; | 3503 Register value = ecx; |
3504 | 3504 |
3505 VisitForStackValue(args->at(1)); // index | 3505 VisitForStackValue(args->at(1)); // index |
3506 VisitForStackValue(args->at(2)); // value | 3506 VisitForStackValue(args->at(2)); // value |
| 3507 VisitForAccumulatorValue(args->at(0)); // string |
3507 __ pop(value); | 3508 __ pop(value); |
3508 __ pop(index); | 3509 __ pop(index); |
3509 VisitForAccumulatorValue(args->at(0)); // string | |
3510 | 3510 |
3511 if (FLAG_debug_code) { | 3511 if (FLAG_debug_code) { |
3512 static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag; | 3512 static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag; |
3513 EmitSeqStringSetCharCheck(string, index, value, two_byte_seq_type); | 3513 EmitSeqStringSetCharCheck(string, index, value, two_byte_seq_type); |
3514 } | 3514 } |
3515 | 3515 |
3516 __ SmiUntag(value); | 3516 __ SmiUntag(value); |
3517 // No need to untag a smi for two-byte addressing. | 3517 // No need to untag a smi for two-byte addressing. |
3518 __ mov_w(FieldOperand(string, index, times_1, SeqTwoByteString::kHeaderSize), | 3518 __ mov_w(FieldOperand(string, index, times_1, SeqTwoByteString::kHeaderSize), |
3519 value); | 3519 value); |
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4968 | 4968 |
4969 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4969 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
4970 Assembler::target_address_at(call_target_address)); | 4970 Assembler::target_address_at(call_target_address)); |
4971 return OSR_AFTER_STACK_CHECK; | 4971 return OSR_AFTER_STACK_CHECK; |
4972 } | 4972 } |
4973 | 4973 |
4974 | 4974 |
4975 } } // namespace v8::internal | 4975 } } // namespace v8::internal |
4976 | 4976 |
4977 #endif // V8_TARGET_ARCH_IA32 | 4977 #endif // V8_TARGET_ARCH_IA32 |
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