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Issue 294223003: Last cross-platform cleanup in preparation of improved ARM code for indexed (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 7 months ago
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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_ARM. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM.
6 #if defined(TARGET_ARCH_ARM) 6 #if defined(TARGET_ARCH_ARM)
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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1242 const Instance& a_value = Instance::Handle(random_A_field.value()); 1242 const Instance& a_value = Instance::Handle(random_A_field.value());
1243 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value(); 1243 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value();
1244 // 'a_int_value' is a mask. 1244 // 'a_int_value' is a mask.
1245 ASSERT(Utils::IsUint(32, a_int_value)); 1245 ASSERT(Utils::IsUint(32, a_int_value));
1246 int32_t a_int32_value = static_cast<int32_t>(a_int_value); 1246 int32_t a_int32_value = static_cast<int32_t>(a_int_value);
1247 1247
1248 __ ldr(R0, Address(SP, 0 * kWordSize)); // Receiver. 1248 __ ldr(R0, Address(SP, 0 * kWordSize)); // Receiver.
1249 __ ldr(R1, FieldAddress(R0, state_field.Offset())); // Field '_state'. 1249 __ ldr(R1, FieldAddress(R0, state_field.Offset())); // Field '_state'.
1250 // Addresses of _state[0] and _state[1]. 1250 // Addresses of _state[0] and _state[1].
1251 1251
1252 const int64_t disp_0 = 1252 const int64_t disp_0 = Instance::DataOffsetFor(kTypedDataUint32ArrayCid);
1253 FlowGraphCompiler::DataOffsetFor(kTypedDataUint32ArrayCid); 1253 const int64_t disp_1 = disp_0 +
1254 1254 Instance::ElementSizeFor(kTypedDataUint32ArrayCid);
1255 const int64_t disp_1 =
1256 FlowGraphCompiler::ElementSizeFor(kTypedDataUint32ArrayCid) +
1257 FlowGraphCompiler::DataOffsetFor(kTypedDataUint32ArrayCid);
1258 1255
1259 __ LoadImmediate(R0, a_int32_value); 1256 __ LoadImmediate(R0, a_int32_value);
1260 __ LoadFromOffset(kWord, R2, R1, disp_0 - kHeapObjectTag); 1257 __ LoadFromOffset(kWord, R2, R1, disp_0 - kHeapObjectTag);
1261 __ LoadFromOffset(kWord, R3, R1, disp_1 - kHeapObjectTag); 1258 __ LoadFromOffset(kWord, R3, R1, disp_1 - kHeapObjectTag);
1262 __ mov(R6, ShifterOperand(0)); // Zero extend unsigned _state[kSTATE_HI]. 1259 __ mov(R6, ShifterOperand(0)); // Zero extend unsigned _state[kSTATE_HI].
1263 // Unsigned 32-bit multiply and 64-bit accumulate into R6:R3. 1260 // Unsigned 32-bit multiply and 64-bit accumulate into R6:R3.
1264 __ umlal(R3, R6, R0, R2); // R6:R3 <- R6:R3 + R0 * R2. 1261 __ umlal(R3, R6, R0, R2); // R6:R3 <- R6:R3 + R0 * R2.
1265 __ StoreToOffset(kWord, R3, R1, disp_0 - kHeapObjectTag); 1262 __ StoreToOffset(kWord, R3, R1, disp_0 - kHeapObjectTag);
1266 __ StoreToOffset(kWord, R6, R1, disp_1 - kHeapObjectTag); 1263 __ StoreToOffset(kWord, R6, R1, disp_1 - kHeapObjectTag);
1267 __ Ret(); 1264 __ Ret();
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1664 Isolate* isolate = Isolate::Current(); 1661 Isolate* isolate = Isolate::Current();
1665 __ LoadImmediate(R1, reinterpret_cast<uword>(isolate)); 1662 __ LoadImmediate(R1, reinterpret_cast<uword>(isolate));
1666 // Set return value to Isolate::current_tag_. 1663 // Set return value to Isolate::current_tag_.
1667 __ ldr(R0, Address(R1, Isolate::current_tag_offset())); 1664 __ ldr(R0, Address(R1, Isolate::current_tag_offset()));
1668 __ Ret(); 1665 __ Ret();
1669 } 1666 }
1670 1667
1671 } // namespace dart 1668 } // namespace dart
1672 1669
1673 #endif // defined TARGET_ARCH_ARM 1670 #endif // defined TARGET_ARCH_ARM
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