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Side by Side Diff: src/full-codegen/mips/full-codegen-mips.cc

Issue 1406113007: Merge GlobalObject with JSGlobalObject. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 1 month ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #if V8_TARGET_ARCH_MIPS 5 #if V8_TARGET_ARCH_MIPS
6 6
7 // Note on Mips implementation: 7 // Note on Mips implementation:
8 // 8 //
9 // The result_register() for mips is the 'v0' register, which is defined 9 // The result_register() for mips is the 'v0' register, which is defined
10 // by the ABI to contain function return values. However, the first 10 // by the ABI to contain function return values. However, the first
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128 // global proxy when called as functions (without an explicit receiver 128 // global proxy when called as functions (without an explicit receiver
129 // object). 129 // object).
130 if (info->MustReplaceUndefinedReceiverWithGlobalProxy()) { 130 if (info->MustReplaceUndefinedReceiverWithGlobalProxy()) {
131 Label ok; 131 Label ok;
132 int receiver_offset = info->scope()->num_parameters() * kPointerSize; 132 int receiver_offset = info->scope()->num_parameters() * kPointerSize;
133 __ lw(at, MemOperand(sp, receiver_offset)); 133 __ lw(at, MemOperand(sp, receiver_offset));
134 __ LoadRoot(a2, Heap::kUndefinedValueRootIndex); 134 __ LoadRoot(a2, Heap::kUndefinedValueRootIndex);
135 __ Branch(&ok, ne, a2, Operand(at)); 135 __ Branch(&ok, ne, a2, Operand(at));
136 136
137 __ lw(a2, GlobalObjectOperand()); 137 __ lw(a2, GlobalObjectOperand());
138 __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalProxyOffset)); 138 __ lw(a2, FieldMemOperand(a2, JSGlobalObject::kGlobalProxyOffset));
139 139
140 __ sw(a2, MemOperand(sp, receiver_offset)); 140 __ sw(a2, MemOperand(sp, receiver_offset));
141 141
142 __ bind(&ok); 142 __ bind(&ok);
143 } 143 }
144 144
145 // Open a frame scope to indicate that there is a frame on the stack. The 145 // Open a frame scope to indicate that there is a frame on the stack. The
146 // MANUAL indicates that the scope shouldn't actually generate code to set up 146 // MANUAL indicates that the scope shouldn't actually generate code to set up
147 // the frame (that is done below). 147 // the frame (that is done below).
148 FrameScope frame_scope(masm_, StackFrame::MANUAL); 148 FrameScope frame_scope(masm_, StackFrame::MANUAL);
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2249 2249
2250 __ Allocate(JSIteratorResult::kSize, v0, a2, a3, &allocate, TAG_OBJECT); 2250 __ Allocate(JSIteratorResult::kSize, v0, a2, a3, &allocate, TAG_OBJECT);
2251 __ jmp(&done_allocate); 2251 __ jmp(&done_allocate);
2252 2252
2253 __ bind(&allocate); 2253 __ bind(&allocate);
2254 __ Push(Smi::FromInt(JSIteratorResult::kSize)); 2254 __ Push(Smi::FromInt(JSIteratorResult::kSize));
2255 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); 2255 __ CallRuntime(Runtime::kAllocateInNewSpace, 1);
2256 2256
2257 __ bind(&done_allocate); 2257 __ bind(&done_allocate);
2258 __ lw(a1, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX)); 2258 __ lw(a1, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
2259 __ lw(a1, FieldMemOperand(a1, GlobalObject::kNativeContextOffset)); 2259 __ lw(a1, FieldMemOperand(a1, JSGlobalObject::kNativeContextOffset));
2260 __ lw(a1, ContextOperand(a1, Context::ITERATOR_RESULT_MAP_INDEX)); 2260 __ lw(a1, ContextOperand(a1, Context::ITERATOR_RESULT_MAP_INDEX));
2261 __ pop(a2); 2261 __ pop(a2);
2262 __ LoadRoot(a3, 2262 __ LoadRoot(a3,
2263 done ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex); 2263 done ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex);
2264 __ LoadRoot(t0, Heap::kEmptyFixedArrayRootIndex); 2264 __ LoadRoot(t0, Heap::kEmptyFixedArrayRootIndex);
2265 __ sw(a1, FieldMemOperand(v0, HeapObject::kMapOffset)); 2265 __ sw(a1, FieldMemOperand(v0, HeapObject::kMapOffset));
2266 __ sw(t0, FieldMemOperand(v0, JSObject::kPropertiesOffset)); 2266 __ sw(t0, FieldMemOperand(v0, JSObject::kPropertiesOffset));
2267 __ sw(t0, FieldMemOperand(v0, JSObject::kElementsOffset)); 2267 __ sw(t0, FieldMemOperand(v0, JSObject::kElementsOffset));
2268 __ sw(a2, FieldMemOperand(v0, JSIteratorResult::kValueOffset)); 2268 __ sw(a2, FieldMemOperand(v0, JSIteratorResult::kValueOffset));
2269 __ sw(a3, FieldMemOperand(v0, JSIteratorResult::kDoneOffset)); 2269 __ sw(a3, FieldMemOperand(v0, JSIteratorResult::kDoneOffset));
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4258 void FullCodeGenerator::EmitCreateIterResultObject(CallRuntime* expr) { 4258 void FullCodeGenerator::EmitCreateIterResultObject(CallRuntime* expr) {
4259 ZoneList<Expression*>* args = expr->arguments(); 4259 ZoneList<Expression*>* args = expr->arguments();
4260 DCHECK_EQ(2, args->length()); 4260 DCHECK_EQ(2, args->length());
4261 VisitForStackValue(args->at(0)); 4261 VisitForStackValue(args->at(0));
4262 VisitForStackValue(args->at(1)); 4262 VisitForStackValue(args->at(1));
4263 4263
4264 Label runtime, done; 4264 Label runtime, done;
4265 4265
4266 __ Allocate(JSIteratorResult::kSize, v0, a2, a3, &runtime, TAG_OBJECT); 4266 __ Allocate(JSIteratorResult::kSize, v0, a2, a3, &runtime, TAG_OBJECT);
4267 __ lw(a1, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX)); 4267 __ lw(a1, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
4268 __ lw(a1, FieldMemOperand(a1, GlobalObject::kNativeContextOffset)); 4268 __ lw(a1, FieldMemOperand(a1, JSGlobalObject::kNativeContextOffset));
4269 __ lw(a1, ContextOperand(a1, Context::ITERATOR_RESULT_MAP_INDEX)); 4269 __ lw(a1, ContextOperand(a1, Context::ITERATOR_RESULT_MAP_INDEX));
4270 __ Pop(a2, a3); 4270 __ Pop(a2, a3);
4271 __ LoadRoot(t0, Heap::kEmptyFixedArrayRootIndex); 4271 __ LoadRoot(t0, Heap::kEmptyFixedArrayRootIndex);
4272 __ sw(a1, FieldMemOperand(v0, HeapObject::kMapOffset)); 4272 __ sw(a1, FieldMemOperand(v0, HeapObject::kMapOffset));
4273 __ sw(t0, FieldMemOperand(v0, JSObject::kPropertiesOffset)); 4273 __ sw(t0, FieldMemOperand(v0, JSObject::kPropertiesOffset));
4274 __ sw(t0, FieldMemOperand(v0, JSObject::kElementsOffset)); 4274 __ sw(t0, FieldMemOperand(v0, JSObject::kElementsOffset));
4275 __ sw(a2, FieldMemOperand(v0, JSIteratorResult::kValueOffset)); 4275 __ sw(a2, FieldMemOperand(v0, JSIteratorResult::kValueOffset));
4276 __ sw(a3, FieldMemOperand(v0, JSIteratorResult::kDoneOffset)); 4276 __ sw(a3, FieldMemOperand(v0, JSIteratorResult::kDoneOffset));
4277 STATIC_ASSERT(JSIteratorResult::kSize == 5 * kPointerSize); 4277 STATIC_ASSERT(JSIteratorResult::kSize == 5 * kPointerSize);
4278 __ jmp(&done); 4278 __ jmp(&done);
4279 4279
4280 __ bind(&runtime); 4280 __ bind(&runtime);
4281 __ CallRuntime(Runtime::kCreateIterResultObject, 2); 4281 __ CallRuntime(Runtime::kCreateIterResultObject, 2);
4282 4282
4283 __ bind(&done); 4283 __ bind(&done);
4284 context()->Plug(v0); 4284 context()->Plug(v0);
4285 } 4285 }
4286 4286
4287 4287
4288 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { 4288 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) {
4289 // Push undefined as the receiver. 4289 // Push undefined as the receiver.
4290 __ LoadRoot(v0, Heap::kUndefinedValueRootIndex); 4290 __ LoadRoot(v0, Heap::kUndefinedValueRootIndex);
4291 __ push(v0); 4291 __ push(v0);
4292 4292
4293 __ lw(v0, GlobalObjectOperand()); 4293 __ lw(v0, GlobalObjectOperand());
4294 __ lw(v0, FieldMemOperand(v0, GlobalObject::kNativeContextOffset)); 4294 __ lw(v0, FieldMemOperand(v0, JSGlobalObject::kNativeContextOffset));
4295 __ lw(v0, ContextOperand(v0, expr->context_index())); 4295 __ lw(v0, ContextOperand(v0, expr->context_index()));
4296 } 4296 }
4297 4297
4298 4298
4299 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { 4299 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
4300 ZoneList<Expression*>* args = expr->arguments(); 4300 ZoneList<Expression*>* args = expr->arguments();
4301 int arg_count = args->length(); 4301 int arg_count = args->length();
4302 4302
4303 SetCallPosition(expr, arg_count); 4303 SetCallPosition(expr, arg_count);
4304 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); 4304 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
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5108 reinterpret_cast<uint32_t>( 5108 reinterpret_cast<uint32_t>(
5109 isolate->builtins()->OsrAfterStackCheck()->entry())); 5109 isolate->builtins()->OsrAfterStackCheck()->entry()));
5110 return OSR_AFTER_STACK_CHECK; 5110 return OSR_AFTER_STACK_CHECK;
5111 } 5111 }
5112 5112
5113 5113
5114 } // namespace internal 5114 } // namespace internal
5115 } // namespace v8 5115 } // namespace v8
5116 5116
5117 #endif // V8_TARGET_ARCH_MIPS 5117 #endif // V8_TARGET_ARCH_MIPS
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