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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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3366 __ jmp(&done); | 3366 __ jmp(&done); |
3367 } | 3367 } |
3368 | 3368 |
3369 __ bind(¬_date_object); | 3369 __ bind(¬_date_object); |
3370 __ CallRuntime(Runtime::kThrowNotDateError, 0); | 3370 __ CallRuntime(Runtime::kThrowNotDateError, 0); |
3371 __ bind(&done); | 3371 __ bind(&done); |
3372 context()->Plug(result); | 3372 context()->Plug(result); |
3373 } | 3373 } |
3374 | 3374 |
3375 | 3375 |
| 3376 void FullCodeGenerator::EmitSeqStringSetCharCheck(Register string, |
| 3377 Register index, |
| 3378 Register value, |
| 3379 uint32_t encoding_mask) { |
| 3380 __ test(index, Immediate(kSmiTagMask)); |
| 3381 __ Check(zero, "Non-smi index"); |
| 3382 __ test(value, Immediate(kSmiTagMask)); |
| 3383 __ Check(zero, "Non-smi value"); |
| 3384 |
| 3385 __ cmp(index, FieldOperand(string, String::kLengthOffset)); |
| 3386 __ Check(less, "Index is too large"); |
| 3387 |
| 3388 __ cmp(index, Immediate(Smi::FromInt(0))); |
| 3389 __ Check(greater_equal, "Index is negative"); |
| 3390 |
| 3391 __ push(value); |
| 3392 __ mov(value, FieldOperand(string, HeapObject::kMapOffset)); |
| 3393 __ movzx_b(value, FieldOperand(value, Map::kInstanceTypeOffset)); |
| 3394 |
| 3395 __ and_(value, Immediate(kStringRepresentationMask | kStringEncodingMask)); |
| 3396 __ cmp(value, Immediate(encoding_mask)); |
| 3397 __ Check(equal, "Unexpected string type"); |
| 3398 __ pop(value); |
| 3399 } |
| 3400 |
| 3401 |
3376 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { | 3402 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { |
3377 ZoneList<Expression*>* args = expr->arguments(); | 3403 ZoneList<Expression*>* args = expr->arguments(); |
3378 ASSERT_EQ(3, args->length()); | 3404 ASSERT_EQ(3, args->length()); |
3379 | 3405 |
| 3406 Register string = eax; |
| 3407 Register index = ebx; |
| 3408 Register value = ecx; |
| 3409 |
3380 VisitForStackValue(args->at(1)); // index | 3410 VisitForStackValue(args->at(1)); // index |
3381 VisitForStackValue(args->at(2)); // value | 3411 VisitForStackValue(args->at(2)); // value |
3382 __ pop(ecx); | 3412 __ pop(value); |
3383 __ pop(ebx); | 3413 __ pop(index); |
3384 VisitForAccumulatorValue(args->at(0)); // string | 3414 VisitForAccumulatorValue(args->at(0)); // string |
3385 | 3415 |
3386 static const String::Encoding encoding = String::ONE_BYTE_ENCODING; | 3416 |
3387 SeqStringSetCharGenerator::Generate(masm_, encoding, eax, ebx, ecx); | 3417 if (FLAG_debug_code) { |
3388 context()->Plug(eax); | 3418 static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag; |
| 3419 EmitSeqStringSetCharCheck(string, index, value, one_byte_seq_type); |
| 3420 } |
| 3421 |
| 3422 __ SmiUntag(value); |
| 3423 __ SmiUntag(index); |
| 3424 __ mov_b(FieldOperand(string, index, times_1, SeqOneByteString::kHeaderSize), |
| 3425 value); |
| 3426 context()->Plug(string); |
3389 } | 3427 } |
3390 | 3428 |
3391 | 3429 |
3392 void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) { | 3430 void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) { |
3393 ZoneList<Expression*>* args = expr->arguments(); | 3431 ZoneList<Expression*>* args = expr->arguments(); |
3394 ASSERT_EQ(3, args->length()); | 3432 ASSERT_EQ(3, args->length()); |
3395 | 3433 |
| 3434 Register string = eax; |
| 3435 Register index = ebx; |
| 3436 Register value = ecx; |
| 3437 |
3396 VisitForStackValue(args->at(1)); // index | 3438 VisitForStackValue(args->at(1)); // index |
3397 VisitForStackValue(args->at(2)); // value | 3439 VisitForStackValue(args->at(2)); // value |
3398 __ pop(ecx); | 3440 __ pop(value); |
3399 __ pop(ebx); | 3441 __ pop(index); |
3400 VisitForAccumulatorValue(args->at(0)); // string | 3442 VisitForAccumulatorValue(args->at(0)); // string |
3401 | 3443 |
3402 static const String::Encoding encoding = String::TWO_BYTE_ENCODING; | 3444 if (FLAG_debug_code) { |
3403 SeqStringSetCharGenerator::Generate(masm_, encoding, eax, ebx, ecx); | 3445 static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag; |
3404 context()->Plug(eax); | 3446 EmitSeqStringSetCharCheck(string, index, value, two_byte_seq_type); |
| 3447 } |
| 3448 |
| 3449 __ SmiUntag(value); |
| 3450 // No need to untag a smi for two-byte addressing. |
| 3451 __ mov_w(FieldOperand(string, index, times_1, SeqTwoByteString::kHeaderSize), |
| 3452 value); |
| 3453 context()->Plug(string); |
3405 } | 3454 } |
3406 | 3455 |
3407 | 3456 |
3408 void FullCodeGenerator::EmitMathPow(CallRuntime* expr) { | 3457 void FullCodeGenerator::EmitMathPow(CallRuntime* expr) { |
3409 // Load the arguments on the stack and call the runtime function. | 3458 // Load the arguments on the stack and call the runtime function. |
3410 ZoneList<Expression*>* args = expr->arguments(); | 3459 ZoneList<Expression*>* args = expr->arguments(); |
3411 ASSERT(args->length() == 2); | 3460 ASSERT(args->length() == 2); |
3412 VisitForStackValue(args->at(0)); | 3461 VisitForStackValue(args->at(0)); |
3413 VisitForStackValue(args->at(1)); | 3462 VisitForStackValue(args->at(1)); |
3414 | 3463 |
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4822 *stack_depth = 0; | 4871 *stack_depth = 0; |
4823 *context_length = 0; | 4872 *context_length = 0; |
4824 return previous_; | 4873 return previous_; |
4825 } | 4874 } |
4826 | 4875 |
4827 #undef __ | 4876 #undef __ |
4828 | 4877 |
4829 } } // namespace v8::internal | 4878 } } // namespace v8::internal |
4830 | 4879 |
4831 #endif // V8_TARGET_ARCH_IA32 | 4880 #endif // V8_TARGET_ARCH_IA32 |
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