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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
8 | 8 |
9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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1452 DCHECK(HasArgsInRegisters()); | 1452 DCHECK(HasArgsInRegisters()); |
1453 // Patch the (relocated) inlined map check. | 1453 // Patch the (relocated) inlined map check. |
1454 | 1454 |
1455 // The offset was stored in a4 safepoint slot. | 1455 // The offset was stored in a4 safepoint slot. |
1456 // (See LCodeGen::DoDeferredLInstanceOfKnownGlobal). | 1456 // (See LCodeGen::DoDeferredLInstanceOfKnownGlobal). |
1457 __ LoadFromSafepointRegisterSlot(scratch, a4); | 1457 __ LoadFromSafepointRegisterSlot(scratch, a4); |
1458 __ Dsubu(inline_site, ra, scratch); | 1458 __ Dsubu(inline_site, ra, scratch); |
1459 // Get the map location in scratch and patch it. | 1459 // Get the map location in scratch and patch it. |
1460 __ GetRelocatedValue(inline_site, scratch, v1); // v1 used as scratch. | 1460 __ GetRelocatedValue(inline_site, scratch, v1); // v1 used as scratch. |
1461 __ sd(map, FieldMemOperand(scratch, Cell::kValueOffset)); | 1461 __ sd(map, FieldMemOperand(scratch, Cell::kValueOffset)); |
1462 | |
1463 __ mov(t0, map); | |
1464 // Scratch points at the cell payload. Calculate the start of the object. | |
1465 __ Dsubu(scratch, scratch, Operand(Cell::kValueOffset - 1)); | |
1466 __ RecordWriteField(scratch, Cell::kValueOffset, t0, function, | |
1467 kRAHasNotBeenSaved, kDontSaveFPRegs, | |
1468 OMIT_REMEMBERED_SET, OMIT_SMI_CHECK); | |
1469 } | 1462 } |
1470 | 1463 |
1471 // Register mapping: a3 is object map and a4 is function prototype. | 1464 // Register mapping: a3 is object map and a4 is function prototype. |
1472 // Get prototype of object into a2. | 1465 // Get prototype of object into a2. |
1473 __ ld(scratch, FieldMemOperand(map, Map::kPrototypeOffset)); | 1466 __ ld(scratch, FieldMemOperand(map, Map::kPrototypeOffset)); |
1474 | 1467 |
1475 // We don't need map any more. Use it as a scratch register. | 1468 // We don't need map any more. Use it as a scratch register. |
1476 Register scratch2 = map; | 1469 Register scratch2 = map; |
1477 map = no_reg; | 1470 map = no_reg; |
1478 | 1471 |
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5555 kStackUnwindSpace, kInvalidStackOffset, | 5548 kStackUnwindSpace, kInvalidStackOffset, |
5556 MemOperand(fp, 6 * kPointerSize), NULL); | 5549 MemOperand(fp, 6 * kPointerSize), NULL); |
5557 } | 5550 } |
5558 | 5551 |
5559 | 5552 |
5560 #undef __ | 5553 #undef __ |
5561 | 5554 |
5562 } } // namespace v8::internal | 5555 } } // namespace v8::internal |
5563 | 5556 |
5564 #endif // V8_TARGET_ARCH_MIPS64 | 5557 #endif // V8_TARGET_ARCH_MIPS64 |
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