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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM64. |
6 #if defined(TARGET_ARCH_ARM64) | 6 #if defined(TARGET_ARCH_ARM64) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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1961 | 1961 |
1962 | 1962 |
1963 // When the parser is building an implicit static getter for optimization, | 1963 // When the parser is building an implicit static getter for optimization, |
1964 // it can generate a function body where deoptimization ids do not line up | 1964 // it can generate a function body where deoptimization ids do not line up |
1965 // with the unoptimized code. | 1965 // with the unoptimized code. |
1966 // | 1966 // |
1967 // This is safe only so long as LoadStaticFieldInstr cannot deoptimize. | 1967 // This is safe only so long as LoadStaticFieldInstr cannot deoptimize. |
1968 void LoadStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1968 void LoadStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1969 const Register field = locs()->in(0).reg(); | 1969 const Register field = locs()->in(0).reg(); |
1970 const Register result = locs()->out(0).reg(); | 1970 const Register result = locs()->out(0).reg(); |
1971 __ LoadFieldFromOffset(result, field, Field::value_offset()); | 1971 __ LoadFieldFromOffset(result, field, Field::static_value_offset()); |
1972 } | 1972 } |
1973 | 1973 |
1974 | 1974 |
1975 LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(Zone* zone, | 1975 LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(Zone* zone, |
1976 bool opt) const { | 1976 bool opt) const { |
1977 LocationSummary* locs = new(zone) LocationSummary( | 1977 LocationSummary* locs = new(zone) LocationSummary( |
1978 zone, 1, 1, LocationSummary::kNoCall); | 1978 zone, 1, 1, LocationSummary::kNoCall); |
1979 locs->set_in(0, value()->NeedsStoreBuffer() ? Location::WritableRegister() | 1979 locs->set_in(0, value()->NeedsStoreBuffer() ? Location::WritableRegister() |
1980 : Location::RequiresRegister()); | 1980 : Location::RequiresRegister()); |
1981 locs->set_temp(0, Location::RequiresRegister()); | 1981 locs->set_temp(0, Location::RequiresRegister()); |
1982 return locs; | 1982 return locs; |
1983 } | 1983 } |
1984 | 1984 |
1985 | 1985 |
1986 void StoreStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1986 void StoreStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1987 const Register value = locs()->in(0).reg(); | 1987 const Register value = locs()->in(0).reg(); |
1988 const Register temp = locs()->temp(0).reg(); | 1988 const Register temp = locs()->temp(0).reg(); |
1989 | 1989 |
1990 __ LoadObject(temp, field()); | 1990 __ LoadObject(temp, field()); |
1991 if (this->value()->NeedsStoreBuffer()) { | 1991 if (this->value()->NeedsStoreBuffer()) { |
1992 __ StoreIntoObjectOffset( | 1992 __ StoreIntoObjectOffset( |
1993 temp, Field::value_offset(), value, CanValueBeSmi()); | 1993 temp, Field::static_value_offset(), value, CanValueBeSmi()); |
1994 } else { | 1994 } else { |
1995 __ StoreIntoObjectOffsetNoBarrier(temp, Field::value_offset(), value); | 1995 __ StoreIntoObjectOffsetNoBarrier(temp, |
| 1996 Field::static_value_offset(), |
| 1997 value); |
1996 } | 1998 } |
1997 } | 1999 } |
1998 | 2000 |
1999 | 2001 |
2000 LocationSummary* InstanceOfInstr::MakeLocationSummary(Zone* zone, | 2002 LocationSummary* InstanceOfInstr::MakeLocationSummary(Zone* zone, |
2001 bool opt) const { | 2003 bool opt) const { |
2002 const intptr_t kNumInputs = 3; | 2004 const intptr_t kNumInputs = 3; |
2003 const intptr_t kNumTemps = 0; | 2005 const intptr_t kNumTemps = 0; |
2004 LocationSummary* summary = new(zone) LocationSummary( | 2006 LocationSummary* summary = new(zone) LocationSummary( |
2005 zone, kNumInputs, kNumTemps, LocationSummary::kCall); | 2007 zone, kNumInputs, kNumTemps, LocationSummary::kCall); |
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2482 locs->set_temp(0, Location::RegisterLocation(R1)); | 2484 locs->set_temp(0, Location::RegisterLocation(R1)); |
2483 return locs; | 2485 return locs; |
2484 } | 2486 } |
2485 | 2487 |
2486 | 2488 |
2487 void InitStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 2489 void InitStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
2488 Register field = locs()->in(0).reg(); | 2490 Register field = locs()->in(0).reg(); |
2489 Register temp = locs()->temp(0).reg(); | 2491 Register temp = locs()->temp(0).reg(); |
2490 Label call_runtime, no_call; | 2492 Label call_runtime, no_call; |
2491 | 2493 |
2492 __ ldr(temp, FieldAddress(field, Field::value_offset())); | 2494 __ ldr(temp, FieldAddress(field, Field::static_value_offset())); |
2493 __ CompareObject(temp, Object::sentinel()); | 2495 __ CompareObject(temp, Object::sentinel()); |
2494 __ b(&call_runtime, EQ); | 2496 __ b(&call_runtime, EQ); |
2495 | 2497 |
2496 __ CompareObject(temp, Object::transition_sentinel()); | 2498 __ CompareObject(temp, Object::transition_sentinel()); |
2497 __ b(&no_call, NE); | 2499 __ b(&no_call, NE); |
2498 | 2500 |
2499 __ Bind(&call_runtime); | 2501 __ Bind(&call_runtime); |
2500 __ PushObject(Object::null_object()); // Make room for (unused) result. | 2502 __ PushObject(Object::null_object()); // Make room for (unused) result. |
2501 __ Push(field); | 2503 __ Push(field); |
2502 compiler->GenerateRuntimeCall(token_pos(), | 2504 compiler->GenerateRuntimeCall(token_pos(), |
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5623 1, | 5625 1, |
5624 locs()); | 5626 locs()); |
5625 __ Drop(1); | 5627 __ Drop(1); |
5626 __ Pop(result); | 5628 __ Pop(result); |
5627 } | 5629 } |
5628 | 5630 |
5629 | 5631 |
5630 } // namespace dart | 5632 } // namespace dart |
5631 | 5633 |
5632 #endif // defined TARGET_ARCH_ARM64 | 5634 #endif // defined TARGET_ARCH_ARM64 |
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