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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 #if V8_TARGET_ARCH_ARM | 5 #if V8_TARGET_ARCH_ARM |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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1350 | 1350 |
1351 __ push(argument_count); | 1351 __ push(argument_count); |
1352 __ push(new_target); | 1352 __ push(new_target); |
1353 __ push(closure); | 1353 __ push(closure); |
1354 | 1354 |
1355 __ ldr(map, FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset)); | 1355 __ ldr(map, FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset)); |
1356 __ ldr(map, | 1356 __ ldr(map, |
1357 FieldMemOperand(map, SharedFunctionInfo::kOptimizedCodeMapOffset)); | 1357 FieldMemOperand(map, SharedFunctionInfo::kOptimizedCodeMapOffset)); |
1358 __ ldr(index, FieldMemOperand(map, FixedArray::kLengthOffset)); | 1358 __ ldr(index, FieldMemOperand(map, FixedArray::kLengthOffset)); |
1359 __ cmp(index, Operand(Smi::FromInt(2))); | 1359 __ cmp(index, Operand(Smi::FromInt(2))); |
1360 __ b(lt, &try_shared); | 1360 __ b(lt, &gotta_call_runtime); |
1361 | 1361 |
1362 // r3 : native context | 1362 // r3 : native context |
1363 // r2 : length / index | 1363 // r2 : length / index |
1364 // r0 : optimized code map | 1364 // r0 : optimized code map |
1365 // stack[0] : new target | 1365 // stack[0] : new target |
1366 // stack[4] : closure | 1366 // stack[4] : closure |
1367 Register native_context = r3; | 1367 Register native_context = r3; |
1368 __ ldr(native_context, NativeContextMemOperand()); | 1368 __ ldr(native_context, NativeContextMemOperand()); |
1369 | 1369 |
1370 __ bind(&loop_top); | 1370 __ bind(&loop_top); |
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1415 __ mov(closure, r5); | 1415 __ mov(closure, r5); |
1416 __ pop(new_target); | 1416 __ pop(new_target); |
1417 __ pop(argument_count); | 1417 __ pop(argument_count); |
1418 __ Jump(entry); | 1418 __ Jump(entry); |
1419 | 1419 |
1420 __ bind(&loop_bottom); | 1420 __ bind(&loop_bottom); |
1421 __ sub(index, index, Operand(Smi::FromInt(SharedFunctionInfo::kEntryLength))); | 1421 __ sub(index, index, Operand(Smi::FromInt(SharedFunctionInfo::kEntryLength))); |
1422 __ cmp(index, Operand(Smi::FromInt(1))); | 1422 __ cmp(index, Operand(Smi::FromInt(1))); |
1423 __ b(gt, &loop_top); | 1423 __ b(gt, &loop_top); |
1424 | 1424 |
1425 // We found no code. Try the SharedFunctionInfo. | 1425 // We found no code. |
| 1426 __ jmp(&gotta_call_runtime); |
| 1427 |
1426 __ bind(&try_shared); | 1428 __ bind(&try_shared); |
1427 __ pop(closure); | 1429 __ pop(closure); |
1428 __ pop(new_target); | 1430 __ pop(new_target); |
1429 __ pop(argument_count); | 1431 __ pop(argument_count); |
1430 __ ldr(entry, | 1432 __ ldr(entry, |
1431 FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset)); | 1433 FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset)); |
1432 // Is the shared function marked for tier up? | 1434 // Is the shared function marked for tier up? |
1433 __ ldrb(r5, FieldMemOperand(entry, | 1435 __ ldrb(r5, FieldMemOperand(entry, |
1434 SharedFunctionInfo::kMarkedForTierUpByteOffset)); | 1436 SharedFunctionInfo::kMarkedForTierUpByteOffset)); |
1435 __ tst(r5, Operand(1 << SharedFunctionInfo::kMarkedForTierUpBitWithinByte)); | 1437 __ tst(r5, Operand(1 << SharedFunctionInfo::kMarkedForTierUpBitWithinByte)); |
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3022 __ bkpt(0); | 3024 __ bkpt(0); |
3023 } | 3025 } |
3024 } | 3026 } |
3025 | 3027 |
3026 #undef __ | 3028 #undef __ |
3027 | 3029 |
3028 } // namespace internal | 3030 } // namespace internal |
3029 } // namespace v8 | 3031 } // namespace v8 |
3030 | 3032 |
3031 #endif // V8_TARGET_ARCH_ARM | 3033 #endif // V8_TARGET_ARCH_ARM |
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