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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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8645 // Check that the fourth object is a JSArray object. | 8645 // Check that the fourth object is a JSArray object. |
8646 __ ldr(r0, MemOperand(sp, kLastMatchInfoOffset)); | 8646 __ ldr(r0, MemOperand(sp, kLastMatchInfoOffset)); |
8647 __ tst(r0, Operand(kSmiTagMask)); | 8647 __ tst(r0, Operand(kSmiTagMask)); |
8648 __ b(eq, &runtime); | 8648 __ b(eq, &runtime); |
8649 __ CompareObjectType(r0, r1, r1, JS_ARRAY_TYPE); | 8649 __ CompareObjectType(r0, r1, r1, JS_ARRAY_TYPE); |
8650 __ b(ne, &runtime); | 8650 __ b(ne, &runtime); |
8651 // Check that the JSArray is in fast case. | 8651 // Check that the JSArray is in fast case. |
8652 __ ldr(last_match_info_elements, | 8652 __ ldr(last_match_info_elements, |
8653 FieldMemOperand(r0, JSArray::kElementsOffset)); | 8653 FieldMemOperand(r0, JSArray::kElementsOffset)); |
8654 __ ldr(r0, FieldMemOperand(last_match_info_elements, HeapObject::kMapOffset)); | 8654 __ ldr(r0, FieldMemOperand(last_match_info_elements, HeapObject::kMapOffset)); |
8655 __ LoadRoot(ip, kFixedArrayMapRootIndex); | 8655 __ LoadRoot(ip, Heap::kFixedArrayMapRootIndex); |
8656 __ cmp(r0, ip); | 8656 __ cmp(r0, ip); |
8657 __ b(ne, &runtime); | 8657 __ b(ne, &runtime); |
8658 // Check that the last match info has space for the capture registers and the | 8658 // Check that the last match info has space for the capture registers and the |
8659 // additional information. | 8659 // additional information. |
8660 __ ldr(r0, | 8660 __ ldr(r0, |
8661 FieldMemOperand(last_match_info_elements, FixedArray::kLengthOffset)); | 8661 FieldMemOperand(last_match_info_elements, FixedArray::kLengthOffset)); |
8662 __ add(r2, r2, Operand(RegExpImpl::kLastMatchOverhead)); | 8662 __ add(r2, r2, Operand(RegExpImpl::kLastMatchOverhead)); |
8663 __ cmp(r2, r0); | 8663 __ cmp(r2, r0); |
8664 __ b(gt, &runtime); | 8664 __ b(gt, &runtime); |
8665 | 8665 |
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10014 | 10014 |
10015 // Just jump to runtime to add the two strings. | 10015 // Just jump to runtime to add the two strings. |
10016 __ bind(&string_add_runtime); | 10016 __ bind(&string_add_runtime); |
10017 __ TailCallRuntime(Runtime::kStringAdd, 2, 1); | 10017 __ TailCallRuntime(Runtime::kStringAdd, 2, 1); |
10018 } | 10018 } |
10019 | 10019 |
10020 | 10020 |
10021 #undef __ | 10021 #undef __ |
10022 | 10022 |
10023 } } // namespace v8::internal | 10023 } } // namespace v8::internal |
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