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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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1378 cmp(type_reg, Operand(type)); | 1378 cmp(type_reg, Operand(type)); |
1379 } | 1379 } |
1380 | 1380 |
1381 | 1381 |
1382 void MacroAssembler::CheckMap(Register obj, | 1382 void MacroAssembler::CheckMap(Register obj, |
1383 Register scratch, | 1383 Register scratch, |
1384 Handle<Map> map, | 1384 Handle<Map> map, |
1385 Label* fail, | 1385 Label* fail, |
1386 bool is_heap_object) { | 1386 bool is_heap_object) { |
1387 if (!is_heap_object) { | 1387 if (!is_heap_object) { |
1388 BranchOnSmi(obj, fail); | 1388 JumpIfSmi(obj, fail); |
1389 } | 1389 } |
1390 ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); | 1390 ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); |
1391 mov(ip, Operand(map)); | 1391 mov(ip, Operand(map)); |
1392 cmp(scratch, ip); | 1392 cmp(scratch, ip); |
1393 b(ne, fail); | 1393 b(ne, fail); |
1394 } | 1394 } |
1395 | 1395 |
1396 | 1396 |
1397 void MacroAssembler::CheckMap(Register obj, | 1397 void MacroAssembler::CheckMap(Register obj, |
1398 Register scratch, | 1398 Register scratch, |
1399 Heap::RootListIndex index, | 1399 Heap::RootListIndex index, |
1400 Label* fail, | 1400 Label* fail, |
1401 bool is_heap_object) { | 1401 bool is_heap_object) { |
1402 if (!is_heap_object) { | 1402 if (!is_heap_object) { |
1403 BranchOnSmi(obj, fail); | 1403 JumpIfSmi(obj, fail); |
1404 } | 1404 } |
1405 ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); | 1405 ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); |
1406 LoadRoot(ip, index); | 1406 LoadRoot(ip, index); |
1407 cmp(scratch, ip); | 1407 cmp(scratch, ip); |
1408 b(ne, fail); | 1408 b(ne, fail); |
1409 } | 1409 } |
1410 | 1410 |
1411 | 1411 |
1412 void MacroAssembler::TryGetFunctionPrototype(Register function, | 1412 void MacroAssembler::TryGetFunctionPrototype(Register function, |
1413 Register result, | 1413 Register result, |
1414 Register scratch, | 1414 Register scratch, |
1415 Label* miss) { | 1415 Label* miss) { |
1416 // Check that the receiver isn't a smi. | 1416 // Check that the receiver isn't a smi. |
1417 BranchOnSmi(function, miss); | 1417 JumpIfSmi(function, miss); |
1418 | 1418 |
1419 // Check that the function really is a function. Load map into result reg. | 1419 // Check that the function really is a function. Load map into result reg. |
1420 CompareObjectType(function, result, scratch, JS_FUNCTION_TYPE); | 1420 CompareObjectType(function, result, scratch, JS_FUNCTION_TYPE); |
1421 b(ne, miss); | 1421 b(ne, miss); |
1422 | 1422 |
1423 // Make sure that the function has an instance prototype. | 1423 // Make sure that the function has an instance prototype. |
1424 Label non_instance; | 1424 Label non_instance; |
1425 ldrb(scratch, FieldMemOperand(result, Map::kBitFieldOffset)); | 1425 ldrb(scratch, FieldMemOperand(result, Map::kBitFieldOffset)); |
1426 tst(scratch, Operand(1 << Map::kHasNonInstancePrototype)); | 1426 tst(scratch, Operand(1 << Map::kHasNonInstancePrototype)); |
1427 b(ne, &non_instance); | 1427 b(ne, &non_instance); |
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1506 DwVfpRegister result, | 1506 DwVfpRegister result, |
1507 Register scratch1, | 1507 Register scratch1, |
1508 Register scratch2, | 1508 Register scratch2, |
1509 Register heap_number_map, | 1509 Register heap_number_map, |
1510 SwVfpRegister scratch3, | 1510 SwVfpRegister scratch3, |
1511 Label* not_number, | 1511 Label* not_number, |
1512 ObjectToDoubleFlags flags) { | 1512 ObjectToDoubleFlags flags) { |
1513 Label done; | 1513 Label done; |
1514 if ((flags & OBJECT_NOT_SMI) == 0) { | 1514 if ((flags & OBJECT_NOT_SMI) == 0) { |
1515 Label not_smi; | 1515 Label not_smi; |
1516 BranchOnNotSmi(object, ¬_smi); | 1516 JumpIfNotSmi(object, ¬_smi); |
1517 // Remove smi tag and convert to double. | 1517 // Remove smi tag and convert to double. |
1518 mov(scratch1, Operand(object, ASR, kSmiTagSize)); | 1518 mov(scratch1, Operand(object, ASR, kSmiTagSize)); |
1519 vmov(scratch3, scratch1); | 1519 vmov(scratch3, scratch1); |
1520 vcvt_f64_s32(result, scratch3); | 1520 vcvt_f64_s32(result, scratch3); |
1521 b(&done); | 1521 b(&done); |
1522 bind(¬_smi); | 1522 bind(¬_smi); |
1523 } | 1523 } |
1524 // Check for heap number and load double value from it. | 1524 // Check for heap number and load double value from it. |
1525 ldr(scratch1, FieldMemOperand(object, HeapObject::kMapOffset)); | 1525 ldr(scratch1, FieldMemOperand(object, HeapObject::kMapOffset)); |
1526 sub(scratch2, object, Operand(kHeapObjectTag)); | 1526 sub(scratch2, object, Operand(kHeapObjectTag)); |
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2256 | 2256 |
2257 void CodePatcher::Emit(Address addr) { | 2257 void CodePatcher::Emit(Address addr) { |
2258 masm()->emit(reinterpret_cast<Instr>(addr)); | 2258 masm()->emit(reinterpret_cast<Instr>(addr)); |
2259 } | 2259 } |
2260 #endif // ENABLE_DEBUGGER_SUPPORT | 2260 #endif // ENABLE_DEBUGGER_SUPPORT |
2261 | 2261 |
2262 | 2262 |
2263 } } // namespace v8::internal | 2263 } } // namespace v8::internal |
2264 | 2264 |
2265 #endif // V8_TARGET_ARCH_ARM | 2265 #endif // V8_TARGET_ARCH_ARM |
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