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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/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
| 10 #include "vm/compiler.h" |
10 #include "vm/dart_entry.h" | 11 #include "vm/dart_entry.h" |
11 #include "vm/flow_graph.h" | 12 #include "vm/flow_graph.h" |
12 #include "vm/flow_graph_compiler.h" | 13 #include "vm/flow_graph_compiler.h" |
13 #include "vm/flow_graph_range_analysis.h" | 14 #include "vm/flow_graph_range_analysis.h" |
14 #include "vm/locations.h" | 15 #include "vm/locations.h" |
15 #include "vm/object_store.h" | 16 #include "vm/object_store.h" |
16 #include "vm/parser.h" | 17 #include "vm/parser.h" |
17 #include "vm/stack_frame.h" | 18 #include "vm/stack_frame.h" |
18 #include "vm/stub_code.h" | 19 #include "vm/stub_code.h" |
19 #include "vm/symbols.h" | 20 #include "vm/symbols.h" |
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2110 void CreateArrayInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 2111 void CreateArrayInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
2111 // Allocate the array. R10 = length, RBX = element type. | 2112 // Allocate the array. R10 = length, RBX = element type. |
2112 const Register kLengthReg = R10; | 2113 const Register kLengthReg = R10; |
2113 const Register kElemTypeReg = RBX; | 2114 const Register kElemTypeReg = RBX; |
2114 const Register kResultReg = RAX; | 2115 const Register kResultReg = RAX; |
2115 ASSERT(locs()->in(0).reg() == kElemTypeReg); | 2116 ASSERT(locs()->in(0).reg() == kElemTypeReg); |
2116 ASSERT(locs()->in(1).reg() == kLengthReg); | 2117 ASSERT(locs()->in(1).reg() == kLengthReg); |
2117 | 2118 |
2118 Label slow_path, done; | 2119 Label slow_path, done; |
2119 if (compiler->is_optimizing() && | 2120 if (compiler->is_optimizing() && |
| 2121 !Compiler::always_optimize() && |
2120 num_elements()->BindsToConstant() && | 2122 num_elements()->BindsToConstant() && |
2121 num_elements()->BoundConstant().IsSmi()) { | 2123 num_elements()->BoundConstant().IsSmi()) { |
2122 const intptr_t length = Smi::Cast(num_elements()->BoundConstant()).Value(); | 2124 const intptr_t length = Smi::Cast(num_elements()->BoundConstant()).Value(); |
2123 if ((length >= 0) && (length <= Array::kMaxElements)) { | 2125 if ((length >= 0) && (length <= Array::kMaxElements)) { |
2124 Label slow_path, done; | 2126 Label slow_path, done; |
2125 InlineArrayAllocation(compiler, length, &slow_path, &done); | 2127 InlineArrayAllocation(compiler, length, &slow_path, &done); |
2126 __ Bind(&slow_path); | 2128 __ Bind(&slow_path); |
2127 __ PushObject(Object::null_object()); // Make room for the result. | 2129 __ PushObject(Object::null_object()); // Make room for the result. |
2128 __ pushq(kLengthReg); | 2130 __ pushq(kLengthReg); |
2129 __ pushq(kElemTypeReg); | 2131 __ pushq(kElemTypeReg); |
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6453 __ Drop(1); | 6455 __ Drop(1); |
6454 __ popq(result); | 6456 __ popq(result); |
6455 } | 6457 } |
6456 | 6458 |
6457 | 6459 |
6458 } // namespace dart | 6460 } // namespace dart |
6459 | 6461 |
6460 #undef __ | 6462 #undef __ |
6461 | 6463 |
6462 #endif // defined TARGET_ARCH_X64 | 6464 #endif // defined TARGET_ARCH_X64 |
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