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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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_X64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
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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1482 const Class& random_class = Class::Handle( | 1482 const Class& random_class = Class::Handle( |
1483 math_lib.LookupClassAllowPrivate(Symbols::_Random())); | 1483 math_lib.LookupClassAllowPrivate(Symbols::_Random())); |
1484 ASSERT(!random_class.IsNull()); | 1484 ASSERT(!random_class.IsNull()); |
1485 const Field& state_field = Field::ZoneHandle( | 1485 const Field& state_field = Field::ZoneHandle( |
1486 random_class.LookupInstanceField(Symbols::_state())); | 1486 random_class.LookupInstanceField(Symbols::_state())); |
1487 ASSERT(!state_field.IsNull()); | 1487 ASSERT(!state_field.IsNull()); |
1488 const Field& random_A_field = Field::ZoneHandle( | 1488 const Field& random_A_field = Field::ZoneHandle( |
1489 random_class.LookupStaticField(Symbols::_A())); | 1489 random_class.LookupStaticField(Symbols::_A())); |
1490 ASSERT(!random_A_field.IsNull()); | 1490 ASSERT(!random_A_field.IsNull()); |
1491 ASSERT(random_A_field.is_const()); | 1491 ASSERT(random_A_field.is_const()); |
1492 const Instance& a_value = Instance::Handle(random_A_field.value()); | 1492 const Instance& a_value = Instance::Handle(random_A_field.StaticValue()); |
1493 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value(); | 1493 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value(); |
1494 __ movq(RAX, Address(RSP, + 1 * kWordSize)); // Receiver. | 1494 // Receiver. |
1495 __ movq(RBX, FieldAddress(RAX, state_field.Offset())); // Field '_state'. | 1495 __ movq(RAX, Address(RSP, + 1 * kWordSize)); |
| 1496 // Field '_state'. |
| 1497 __ movq(RBX, FieldAddress(RAX, state_field.Offset())); |
1496 // Addresses of _state[0] and _state[1]. | 1498 // Addresses of _state[0] and _state[1]. |
1497 const intptr_t scale = Instance::ElementSizeFor(kTypedDataUint32ArrayCid); | 1499 const intptr_t scale = Instance::ElementSizeFor(kTypedDataUint32ArrayCid); |
1498 const intptr_t offset = Instance::DataOffsetFor(kTypedDataUint32ArrayCid); | 1500 const intptr_t offset = Instance::DataOffsetFor(kTypedDataUint32ArrayCid); |
1499 Address addr_0 = FieldAddress(RBX, 0 * scale + offset); | 1501 Address addr_0 = FieldAddress(RBX, 0 * scale + offset); |
1500 Address addr_1 = FieldAddress(RBX, 1 * scale + offset); | 1502 Address addr_1 = FieldAddress(RBX, 1 * scale + offset); |
1501 __ movq(RAX, Immediate(a_int_value)); | 1503 __ movq(RAX, Immediate(a_int_value)); |
1502 __ movl(RCX, addr_0); | 1504 __ movl(RCX, addr_0); |
1503 __ imulq(RCX, RAX); | 1505 __ imulq(RCX, RAX); |
1504 __ movl(RDX, addr_1); | 1506 __ movl(RDX, addr_1); |
1505 __ addq(RDX, RCX); | 1507 __ addq(RDX, RCX); |
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2010 __ LoadIsolate(RAX); | 2012 __ LoadIsolate(RAX); |
2011 __ movq(RAX, Address(RAX, Isolate::current_tag_offset())); | 2013 __ movq(RAX, Address(RAX, Isolate::current_tag_offset())); |
2012 __ ret(); | 2014 __ ret(); |
2013 } | 2015 } |
2014 | 2016 |
2015 #undef __ | 2017 #undef __ |
2016 | 2018 |
2017 } // namespace dart | 2019 } // namespace dart |
2018 | 2020 |
2019 #endif // defined TARGET_ARCH_X64 | 2021 #endif // defined TARGET_ARCH_X64 |
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