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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/intrinsifier.h" | 8 #include "vm/intrinsifier.h" |
| 9 | 9 |
| 10 #include "vm/assembler.h" | 10 #include "vm/assembler.h" |
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| 1610 const Class& random_class = Class::Handle( | 1610 const Class& random_class = Class::Handle( |
| 1611 math_lib.LookupClassAllowPrivate(Symbols::_Random())); | 1611 math_lib.LookupClassAllowPrivate(Symbols::_Random())); |
| 1612 ASSERT(!random_class.IsNull()); | 1612 ASSERT(!random_class.IsNull()); |
| 1613 const Field& state_field = Field::ZoneHandle( | 1613 const Field& state_field = Field::ZoneHandle( |
| 1614 random_class.LookupInstanceField(Symbols::_state())); | 1614 random_class.LookupInstanceField(Symbols::_state())); |
| 1615 ASSERT(!state_field.IsNull()); | 1615 ASSERT(!state_field.IsNull()); |
| 1616 const Field& random_A_field = Field::ZoneHandle( | 1616 const Field& random_A_field = Field::ZoneHandle( |
| 1617 random_class.LookupStaticField(Symbols::_A())); | 1617 random_class.LookupStaticField(Symbols::_A())); |
| 1618 ASSERT(!random_A_field.IsNull()); | 1618 ASSERT(!random_A_field.IsNull()); |
| 1619 ASSERT(random_A_field.is_const()); | 1619 ASSERT(random_A_field.is_const()); |
| 1620 const Instance& a_value = Instance::Handle(random_A_field.value()); | 1620 const Instance& a_value = Instance::Handle(random_A_field.StaticValue()); |
| 1621 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value(); | 1621 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value(); |
| 1622 | 1622 |
| 1623 __ ldr(R0, Address(SP, 0 * kWordSize)); // Receiver. | 1623 // Receiver. |
| 1624 __ ldr(R1, FieldAddress(R0, state_field.Offset())); // Field '_state'. | 1624 __ ldr(R0, Address(SP, 0 * kWordSize)); |
| 1625 // Field '_state'. |
| 1626 __ ldr(R1, FieldAddress(R0, state_field.Offset())); |
| 1625 | 1627 |
| 1626 // Addresses of _state[0]. | 1628 // Addresses of _state[0]. |
| 1627 const int64_t disp = | 1629 const int64_t disp = |
| 1628 Instance::DataOffsetFor(kTypedDataUint32ArrayCid) - kHeapObjectTag; | 1630 Instance::DataOffsetFor(kTypedDataUint32ArrayCid) - kHeapObjectTag; |
| 1629 | 1631 |
| 1630 __ LoadImmediate(R0, a_int_value); | 1632 __ LoadImmediate(R0, a_int_value); |
| 1631 __ LoadFromOffset(R2, R1, disp); | 1633 __ LoadFromOffset(R2, R1, disp); |
| 1632 __ LsrImmediate(R3, R2, 32); | 1634 __ LsrImmediate(R3, R2, 32); |
| 1633 __ andi(R2, R2, Immediate(0xffffffff)); | 1635 __ andi(R2, R2, Immediate(0xffffffff)); |
| 1634 __ mul(R2, R0, R2); | 1636 __ mul(R2, R0, R2); |
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| 2134 | 2136 |
| 2135 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { | 2137 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) { |
| 2136 __ LoadIsolate(R0); | 2138 __ LoadIsolate(R0); |
| 2137 __ ldr(R0, Address(R0, Isolate::current_tag_offset())); | 2139 __ ldr(R0, Address(R0, Isolate::current_tag_offset())); |
| 2138 __ ret(); | 2140 __ ret(); |
| 2139 } | 2141 } |
| 2140 | 2142 |
| 2141 } // namespace dart | 2143 } // namespace dart |
| 2142 | 2144 |
| 2143 #endif // defined TARGET_ARCH_ARM64 | 2145 #endif // defined TARGET_ARCH_ARM64 |
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