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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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| 9240 // regexp_data: RegExp data (FixedArray) | 9240 // regexp_data: RegExp data (FixedArray) |
| 9241 // Check that the number of captures fit in the static offsets vector buffer. | 9241 // Check that the number of captures fit in the static offsets vector buffer. |
| 9242 __ ldr(r2, | 9242 __ ldr(r2, |
| 9243 FieldMemOperand(regexp_data, JSRegExp::kIrregexpCaptureCountOffset)); | 9243 FieldMemOperand(regexp_data, JSRegExp::kIrregexpCaptureCountOffset)); |
| 9244 // Calculate number of capture registers (number_of_captures + 1) * 2. This | 9244 // Calculate number of capture registers (number_of_captures + 1) * 2. This |
| 9245 // uses the asumption that smis are 2 * their untagged value. | 9245 // uses the asumption that smis are 2 * their untagged value. |
| 9246 ASSERT_EQ(0, kSmiTag); | 9246 ASSERT_EQ(0, kSmiTag); |
| 9247 ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); | 9247 ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); |
| 9248 __ add(r2, r2, Operand(2)); // r2 was a smi. | 9248 __ add(r2, r2, Operand(2)); // r2 was a smi. |
| 9249 // Check that the static offsets vector buffer is large enough. | 9249 // Check that the static offsets vector buffer is large enough. |
| 9250 __ cmp(r2, Operand(OffsetsVector::kStaticOffsetsVectorSize)); | 9250 __ cmp(r2, Operand(Isolate::kJSRegexpStaticOffsetsVectorSize)); |
| 9251 __ b(hi, &runtime); | 9251 __ b(hi, &runtime); |
| 9252 | 9252 |
| 9253 // r2: Number of capture registers | 9253 // r2: Number of capture registers |
| 9254 // regexp_data: RegExp data (FixedArray) | 9254 // regexp_data: RegExp data (FixedArray) |
| 9255 // Check that the second argument is a string. | 9255 // Check that the second argument is a string. |
| 9256 __ ldr(subject, MemOperand(sp, kSubjectOffset)); | 9256 __ ldr(subject, MemOperand(sp, kSubjectOffset)); |
| 9257 __ tst(subject, Operand(kSmiTagMask)); | 9257 __ tst(subject, Operand(kSmiTagMask)); |
| 9258 __ b(eq, &runtime); | 9258 __ b(eq, &runtime); |
| 9259 Condition is_string = masm->IsObjectStringType(subject, r0); | 9259 Condition is_string = masm->IsObjectStringType(subject, r0); |
| 9260 __ b(NegateCondition(is_string), &runtime); | 9260 __ b(NegateCondition(is_string), &runtime); |
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| 10700 __ bind(&string_add_runtime); | 10700 __ bind(&string_add_runtime); |
| 10701 __ TailCallRuntime(Runtime::kStringAdd, 2, 1); | 10701 __ TailCallRuntime(Runtime::kStringAdd, 2, 1); |
| 10702 } | 10702 } |
| 10703 | 10703 |
| 10704 | 10704 |
| 10705 #undef __ | 10705 #undef __ |
| 10706 | 10706 |
| 10707 } } // namespace v8::internal | 10707 } } // namespace v8::internal |
| 10708 | 10708 |
| 10709 #endif // V8_TARGET_ARCH_ARM | 10709 #endif // V8_TARGET_ARCH_ARM |
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