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Issue 11316203: Rename the field type_arguments_instance_field_offset_ to (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/runtime/
Patch Set: Created 8 years ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_X64) 6 #if defined(TARGET_ARCH_X64)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/assembler_macros.h" 9 #include "vm/assembler_macros.h"
10 #include "vm/compiler.h" 10 #include "vm/compiler.h"
(...skipping 1076 matching lines...) Expand 10 before | Expand all | Expand 10 after
1087 // RSP + 8 : type arguments of instantiator (only if class is parameterized). 1087 // RSP + 8 : type arguments of instantiator (only if class is parameterized).
1088 // RSP : points to return address. 1088 // RSP : points to return address.
1089 void StubCode::GenerateAllocationStubForClass(Assembler* assembler, 1089 void StubCode::GenerateAllocationStubForClass(Assembler* assembler,
1090 const Class& cls) { 1090 const Class& cls) {
1091 const intptr_t kObjectTypeArgumentsOffset = 2 * kWordSize; 1091 const intptr_t kObjectTypeArgumentsOffset = 2 * kWordSize;
1092 const intptr_t kInstantiatorTypeArgumentsOffset = 1 * kWordSize; 1092 const intptr_t kInstantiatorTypeArgumentsOffset = 1 * kWordSize;
1093 const Immediate raw_null = 1093 const Immediate raw_null =
1094 Immediate(reinterpret_cast<intptr_t>(Object::null())); 1094 Immediate(reinterpret_cast<intptr_t>(Object::null()));
1095 // The generated code is different if the class is parameterized. 1095 // The generated code is different if the class is parameterized.
1096 const bool is_cls_parameterized = 1096 const bool is_cls_parameterized =
1097 cls.type_arguments_instance_field_offset() != Class::kNoTypeArguments; 1097 cls.type_arguments_field_offset() != Class::kNoTypeArguments;
1098 // kInlineInstanceSize is a constant used as a threshold for determining 1098 // kInlineInstanceSize is a constant used as a threshold for determining
1099 // when the object initialization should be done as a loop or as 1099 // when the object initialization should be done as a loop or as
1100 // straight line code. 1100 // straight line code.
1101 const int kInlineInstanceSize = 12; // In words. 1101 const int kInlineInstanceSize = 12; // In words.
1102 const intptr_t instance_size = cls.instance_size(); 1102 const intptr_t instance_size = cls.instance_size();
1103 ASSERT(instance_size > 0); 1103 ASSERT(instance_size > 0);
1104 const intptr_t type_args_size = InstantiatedTypeArguments::InstanceSize(); 1104 const intptr_t type_args_size = InstantiatedTypeArguments::InstanceSize();
1105 if (FLAG_inline_alloc && 1105 if (FLAG_inline_alloc &&
1106 PageSpace::IsPageAllocatableSize(instance_size + type_args_size)) { 1106 PageSpace::IsPageAllocatableSize(instance_size + type_args_size)) {
1107 Label slow_case; 1107 Label slow_case;
(...skipping 107 matching lines...) Expand 10 before | Expand all | Expand 10 after
1215 __ cmpq(RCX, RBX); 1215 __ cmpq(RCX, RBX);
1216 __ j(ABOVE_EQUAL, &done, Assembler::kNearJump); 1216 __ j(ABOVE_EQUAL, &done, Assembler::kNearJump);
1217 __ movq(Address(RCX, 0), raw_null); 1217 __ movq(Address(RCX, 0), raw_null);
1218 __ addq(RCX, Immediate(kWordSize)); 1218 __ addq(RCX, Immediate(kWordSize));
1219 __ jmp(&init_loop, Assembler::kNearJump); 1219 __ jmp(&init_loop, Assembler::kNearJump);
1220 __ Bind(&done); 1220 __ Bind(&done);
1221 } 1221 }
1222 if (is_cls_parameterized) { 1222 if (is_cls_parameterized) {
1223 // RDI: new object type arguments. 1223 // RDI: new object type arguments.
1224 // Set the type arguments in the new object. 1224 // Set the type arguments in the new object.
1225 __ movq(Address(RAX, cls.type_arguments_instance_field_offset()), RDI); 1225 __ movq(Address(RAX, cls.type_arguments_field_offset()), RDI);
1226 } 1226 }
1227 // Done allocating and initializing the instance. 1227 // Done allocating and initializing the instance.
1228 // RAX: new object. 1228 // RAX: new object.
1229 __ addq(RAX, Immediate(kHeapObjectTag)); 1229 __ addq(RAX, Immediate(kHeapObjectTag));
1230 __ ret(); 1230 __ ret();
1231 1231
1232 __ Bind(&slow_case); 1232 __ Bind(&slow_case);
1233 } 1233 }
1234 if (is_cls_parameterized) { 1234 if (is_cls_parameterized) {
1235 __ movq(RAX, Address(RSP, kObjectTypeArgumentsOffset)); 1235 __ movq(RAX, Address(RSP, kObjectTypeArgumentsOffset));
(...skipping 602 matching lines...) Expand 10 before | Expand all | Expand 10 after
1838 const intptr_t kInstantiatorTypeArgumentsInBytes = 1 * kWordSize; 1838 const intptr_t kInstantiatorTypeArgumentsInBytes = 1 * kWordSize;
1839 const intptr_t kInstanceOffsetInBytes = 2 * kWordSize; 1839 const intptr_t kInstanceOffsetInBytes = 2 * kWordSize;
1840 const intptr_t kCacheOffsetInBytes = 3 * kWordSize; 1840 const intptr_t kCacheOffsetInBytes = 3 * kWordSize;
1841 __ movq(RAX, Address(RSP, kInstanceOffsetInBytes)); 1841 __ movq(RAX, Address(RSP, kInstanceOffsetInBytes));
1842 if (n > 1) { 1842 if (n > 1) {
1843 __ LoadClass(R10, RAX); 1843 __ LoadClass(R10, RAX);
1844 // Compute instance type arguments into R13. 1844 // Compute instance type arguments into R13.
1845 Label has_no_type_arguments; 1845 Label has_no_type_arguments;
1846 __ movq(R13, raw_null); 1846 __ movq(R13, raw_null);
1847 __ movq(RDI, FieldAddress(R10, 1847 __ movq(RDI, FieldAddress(R10,
1848 Class::type_arguments_instance_field_offset_offset())); 1848 Class::type_arguments_field_offset_offset()));
1849 __ cmpq(RDI, Immediate(Class::kNoTypeArguments)); 1849 __ cmpq(RDI, Immediate(Class::kNoTypeArguments));
1850 __ j(EQUAL, &has_no_type_arguments, Assembler::kNearJump); 1850 __ j(EQUAL, &has_no_type_arguments, Assembler::kNearJump);
1851 __ movq(R13, FieldAddress(RAX, RDI, TIMES_1, 0)); 1851 __ movq(R13, FieldAddress(RAX, RDI, TIMES_1, 0));
1852 __ Bind(&has_no_type_arguments); 1852 __ Bind(&has_no_type_arguments);
1853 } 1853 }
1854 __ LoadClassId(R10, RAX); 1854 __ LoadClassId(R10, RAX);
1855 // RAX: instance, R10: instance class id. 1855 // RAX: instance, R10: instance class id.
1856 // R13: instance type arguments or null, used only if n > 1. 1856 // R13: instance type arguments or null, used only if n > 1.
1857 __ movq(RDX, Address(RSP, kCacheOffsetInBytes)); 1857 __ movq(RDX, Address(RSP, kCacheOffsetInBytes));
1858 // RDX: SubtypeTestCache. 1858 // RDX: SubtypeTestCache.
(...skipping 304 matching lines...) Expand 10 before | Expand all | Expand 10 after
2163 __ cmpq(left, right); 2163 __ cmpq(left, right);
2164 __ Bind(&done); 2164 __ Bind(&done);
2165 __ popq(right); 2165 __ popq(right);
2166 __ popq(left); 2166 __ popq(left);
2167 __ ret(); 2167 __ ret();
2168 } 2168 }
2169 2169
2170 } // namespace dart 2170 } // namespace dart
2171 2171
2172 #endif // defined TARGET_ARCH_X64 2172 #endif // defined TARGET_ARCH_X64
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