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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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4770 // regexp_data: RegExp data (FixedArray) | 4770 // regexp_data: RegExp data (FixedArray) |
4771 // Check that the number of captures fit in the static offsets vector buffer. | 4771 // Check that the number of captures fit in the static offsets vector buffer. |
4772 __ ldr(r2, | 4772 __ ldr(r2, |
4773 FieldMemOperand(regexp_data, JSRegExp::kIrregexpCaptureCountOffset)); | 4773 FieldMemOperand(regexp_data, JSRegExp::kIrregexpCaptureCountOffset)); |
4774 // Calculate number of capture registers (number_of_captures + 1) * 2. This | 4774 // Calculate number of capture registers (number_of_captures + 1) * 2. This |
4775 // uses the asumption that smis are 2 * their untagged value. | 4775 // uses the asumption that smis are 2 * their untagged value. |
4776 STATIC_ASSERT(kSmiTag == 0); | 4776 STATIC_ASSERT(kSmiTag == 0); |
4777 STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 1); | 4777 STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 1); |
4778 __ add(r2, r2, Operand(2)); // r2 was a smi. | 4778 __ add(r2, r2, Operand(2)); // r2 was a smi. |
4779 // Check that the static offsets vector buffer is large enough. | 4779 // Check that the static offsets vector buffer is large enough. |
4780 __ cmp(r2, Operand(OffsetsVector::kStaticOffsetsVectorSize)); | 4780 __ cmp(r2, Operand(Isolate::kJSRegexpStaticOffsetsVectorSize)); |
4781 __ b(hi, &runtime); | 4781 __ b(hi, &runtime); |
4782 | 4782 |
4783 // r2: Number of capture registers | 4783 // r2: Number of capture registers |
4784 // regexp_data: RegExp data (FixedArray) | 4784 // regexp_data: RegExp data (FixedArray) |
4785 // Check that the second argument is a string. | 4785 // Check that the second argument is a string. |
4786 __ ldr(subject, MemOperand(sp, kSubjectOffset)); | 4786 __ ldr(subject, MemOperand(sp, kSubjectOffset)); |
4787 __ JumpIfSmi(subject, &runtime); | 4787 __ JumpIfSmi(subject, &runtime); |
4788 Condition is_string = masm->IsObjectStringType(subject, r0); | 4788 Condition is_string = masm->IsObjectStringType(subject, r0); |
4789 __ b(NegateCondition(is_string), &runtime); | 4789 __ b(NegateCondition(is_string), &runtime); |
4790 // Get the length of the string to r3. | 4790 // Get the length of the string to r3. |
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7571 | 7571 |
7572 __ Pop(lr, r5, r1); | 7572 __ Pop(lr, r5, r1); |
7573 __ Ret(); | 7573 __ Ret(); |
7574 } | 7574 } |
7575 | 7575 |
7576 #undef __ | 7576 #undef __ |
7577 | 7577 |
7578 } } // namespace v8::internal | 7578 } } // namespace v8::internal |
7579 | 7579 |
7580 #endif // V8_TARGET_ARCH_ARM | 7580 #endif // V8_TARGET_ARCH_ARM |
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