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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 // 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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200 | 200 |
201 __ push(lr); | 201 __ push(lr); |
202 __ ldr(r5, FieldMemOperand(r4, FixedArray::kLengthOffset)); | 202 __ ldr(r5, FieldMemOperand(r4, FixedArray::kLengthOffset)); |
203 // r4: source FixedArray | 203 // r4: source FixedArray |
204 // r5: number of elements (smi-tagged) | 204 // r5: number of elements (smi-tagged) |
205 | 205 |
206 // Allocate new FixedDoubleArray. | 206 // Allocate new FixedDoubleArray. |
207 // Use lr as a temporary register. | 207 // Use lr as a temporary register. |
208 __ mov(lr, Operand(r5, LSL, 2)); | 208 __ mov(lr, Operand(r5, LSL, 2)); |
209 __ add(lr, lr, Operand(FixedDoubleArray::kHeaderSize)); | 209 __ add(lr, lr, Operand(FixedDoubleArray::kHeaderSize)); |
210 __ AllocateInNewSpace(lr, r6, r7, r9, &gc_required, DOUBLE_ALIGNMENT); | 210 __ Allocate(lr, r6, r7, r9, &gc_required, DOUBLE_ALIGNMENT); |
211 // r6: destination FixedDoubleArray, not tagged as heap object. | 211 // r6: destination FixedDoubleArray, not tagged as heap object. |
212 | 212 |
213 // Set destination FixedDoubleArray's length and map. | 213 // Set destination FixedDoubleArray's length and map. |
214 __ LoadRoot(r9, Heap::kFixedDoubleArrayMapRootIndex); | 214 __ LoadRoot(r9, Heap::kFixedDoubleArrayMapRootIndex); |
215 __ str(r5, MemOperand(r6, FixedDoubleArray::kLengthOffset)); | 215 __ str(r5, MemOperand(r6, FixedDoubleArray::kLengthOffset)); |
216 // Update receiver's map. | 216 // Update receiver's map. |
217 __ str(r9, MemOperand(r6, HeapObject::kMapOffset)); | 217 __ str(r9, MemOperand(r6, HeapObject::kMapOffset)); |
218 | 218 |
219 __ str(r3, FieldMemOperand(r2, HeapObject::kMapOffset)); | 219 __ str(r3, FieldMemOperand(r2, HeapObject::kMapOffset)); |
220 __ RecordWriteField(r2, | 220 __ RecordWriteField(r2, |
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341 | 341 |
342 __ push(lr); | 342 __ push(lr); |
343 __ Push(r3, r2, r1, r0); | 343 __ Push(r3, r2, r1, r0); |
344 __ ldr(r5, FieldMemOperand(r4, FixedArray::kLengthOffset)); | 344 __ ldr(r5, FieldMemOperand(r4, FixedArray::kLengthOffset)); |
345 // r4: source FixedDoubleArray | 345 // r4: source FixedDoubleArray |
346 // r5: number of elements (smi-tagged) | 346 // r5: number of elements (smi-tagged) |
347 | 347 |
348 // Allocate new FixedArray. | 348 // Allocate new FixedArray. |
349 __ mov(r0, Operand(FixedDoubleArray::kHeaderSize)); | 349 __ mov(r0, Operand(FixedDoubleArray::kHeaderSize)); |
350 __ add(r0, r0, Operand(r5, LSL, 1)); | 350 __ add(r0, r0, Operand(r5, LSL, 1)); |
351 __ AllocateInNewSpace(r0, r6, r7, r9, &gc_required, NO_ALLOCATION_FLAGS); | 351 __ Allocate(r0, r6, r7, r9, &gc_required, NO_ALLOCATION_FLAGS); |
352 // r6: destination FixedArray, not tagged as heap object | 352 // r6: destination FixedArray, not tagged as heap object |
353 // Set destination FixedDoubleArray's length and map. | 353 // Set destination FixedDoubleArray's length and map. |
354 __ LoadRoot(r9, Heap::kFixedArrayMapRootIndex); | 354 __ LoadRoot(r9, Heap::kFixedArrayMapRootIndex); |
355 __ str(r5, MemOperand(r6, FixedDoubleArray::kLengthOffset)); | 355 __ str(r5, MemOperand(r6, FixedDoubleArray::kLengthOffset)); |
356 __ str(r9, MemOperand(r6, HeapObject::kMapOffset)); | 356 __ str(r9, MemOperand(r6, HeapObject::kMapOffset)); |
357 | 357 |
358 // Prepare for conversion loop. | 358 // Prepare for conversion loop. |
359 __ add(r4, r4, Operand(FixedDoubleArray::kHeaderSize - kHeapObjectTag + 4)); | 359 __ add(r4, r4, Operand(FixedDoubleArray::kHeaderSize - kHeapObjectTag + 4)); |
360 __ add(r3, r6, Operand(FixedArray::kHeaderSize)); | 360 __ add(r3, r6, Operand(FixedArray::kHeaderSize)); |
361 __ add(r6, r6, Operand(kHeapObjectTag)); | 361 __ add(r6, r6, Operand(kHeapObjectTag)); |
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699 patcher.masm()->add(r0, pc, Operand(-8)); | 699 patcher.masm()->add(r0, pc, Operand(-8)); |
700 patcher.masm()->ldr(pc, MemOperand(pc, -4)); | 700 patcher.masm()->ldr(pc, MemOperand(pc, -4)); |
701 patcher.masm()->dd(reinterpret_cast<uint32_t>(stub->instruction_start())); | 701 patcher.masm()->dd(reinterpret_cast<uint32_t>(stub->instruction_start())); |
702 } | 702 } |
703 } | 703 } |
704 | 704 |
705 | 705 |
706 } } // namespace v8::internal | 706 } } // namespace v8::internal |
707 | 707 |
708 #endif // V8_TARGET_ARCH_ARM | 708 #endif // V8_TARGET_ARCH_ARM |
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