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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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3372 | 3372 |
3373 __ bind(&seq_two_byte_string); | 3373 __ bind(&seq_two_byte_string); |
3374 // eax: subject string (flat two byte) | 3374 // eax: subject string (flat two byte) |
3375 // ecx: RegExp data (FixedArray) | 3375 // ecx: RegExp data (FixedArray) |
3376 __ mov(edx, FieldOperand(ecx, JSRegExp::kDataUC16CodeOffset)); | 3376 __ mov(edx, FieldOperand(ecx, JSRegExp::kDataUC16CodeOffset)); |
3377 __ Set(edi, Immediate(0)); // Type is two byte. | 3377 __ Set(edi, Immediate(0)); // Type is two byte. |
3378 | 3378 |
3379 __ bind(&check_code); | 3379 __ bind(&check_code); |
3380 // Check that the irregexp code has been generated for the actual string | 3380 // Check that the irregexp code has been generated for the actual string |
3381 // encoding. If it has, the field contains a code object otherwise it contains | 3381 // encoding. If it has, the field contains a code object otherwise it contains |
3382 // the hole. | 3382 // a smi (code flushing support). |
3383 __ CmpObjectType(edx, CODE_TYPE, ebx); | 3383 __ JumpIfSmi(edx, &runtime); |
3384 __ j(not_equal, &runtime); | |
3385 | 3384 |
3386 // eax: subject string | 3385 // eax: subject string |
3387 // edx: code | 3386 // edx: code |
3388 // edi: encoding of subject string (1 if ascii, 0 if two_byte); | 3387 // edi: encoding of subject string (1 if ascii, 0 if two_byte); |
3389 // Load used arguments before starting to push arguments for call to native | 3388 // Load used arguments before starting to push arguments for call to native |
3390 // RegExp code to avoid handling changing stack height. | 3389 // RegExp code to avoid handling changing stack height. |
3391 __ mov(ebx, Operand(esp, kPreviousIndexOffset)); | 3390 __ mov(ebx, Operand(esp, kPreviousIndexOffset)); |
3392 __ SmiUntag(ebx); // Previous index from smi. | 3391 __ SmiUntag(ebx); // Previous index from smi. |
3393 | 3392 |
3394 // eax: subject string | 3393 // eax: subject string |
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6348 __ Drop(1); | 6347 __ Drop(1); |
6349 __ ret(2 * kPointerSize); | 6348 __ ret(2 * kPointerSize); |
6350 } | 6349 } |
6351 | 6350 |
6352 | 6351 |
6353 #undef __ | 6352 #undef __ |
6354 | 6353 |
6355 } } // namespace v8::internal | 6354 } } // namespace v8::internal |
6356 | 6355 |
6357 #endif // V8_TARGET_ARCH_IA32 | 6356 #endif // V8_TARGET_ARCH_IA32 |
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