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Issue 12314155: Allow direct allocation in old pointer space. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 months 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 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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138 __ InvokeBuiltin(Builtins::TO_NUMBER, JUMP_FUNCTION); 138 __ InvokeBuiltin(Builtins::TO_NUMBER, JUMP_FUNCTION);
139 } 139 }
140 140
141 141
142 void FastNewClosureStub::Generate(MacroAssembler* masm) { 142 void FastNewClosureStub::Generate(MacroAssembler* masm) {
143 // Create a new closure from the given function info in new 143 // Create a new closure from the given function info in new
144 // space. Set the context to the current context in esi. 144 // space. Set the context to the current context in esi.
145 Counters* counters = masm->isolate()->counters(); 145 Counters* counters = masm->isolate()->counters();
146 146
147 Label gc; 147 Label gc;
148 __ AllocateInNewSpace(JSFunction::kSize, eax, ebx, ecx, &gc, TAG_OBJECT); 148 __ Allocate(JSFunction::kSize, eax, ebx, ecx, &gc, TAG_OBJECT);
149 149
150 __ IncrementCounter(counters->fast_new_closure_total(), 1); 150 __ IncrementCounter(counters->fast_new_closure_total(), 1);
151 151
152 // Get the function info from the stack. 152 // Get the function info from the stack.
153 __ mov(edx, Operand(esp, 1 * kPointerSize)); 153 __ mov(edx, Operand(esp, 1 * kPointerSize));
154 154
155 int map_index = (language_mode_ == CLASSIC_MODE) 155 int map_index = (language_mode_ == CLASSIC_MODE)
156 ? Context::FUNCTION_MAP_INDEX 156 ? Context::FUNCTION_MAP_INDEX
157 : Context::STRICT_MODE_FUNCTION_MAP_INDEX; 157 : Context::STRICT_MODE_FUNCTION_MAP_INDEX;
158 158
(...skipping 107 matching lines...) Expand 10 before | Expand all | Expand 10 after
266 __ push(Immediate(factory->false_value())); 266 __ push(Immediate(factory->false_value()));
267 __ push(ecx); // Restore return address. 267 __ push(ecx); // Restore return address.
268 __ TailCallRuntime(Runtime::kNewClosure, 3, 1); 268 __ TailCallRuntime(Runtime::kNewClosure, 3, 1);
269 } 269 }
270 270
271 271
272 void FastNewContextStub::Generate(MacroAssembler* masm) { 272 void FastNewContextStub::Generate(MacroAssembler* masm) {
273 // Try to allocate the context in new space. 273 // Try to allocate the context in new space.
274 Label gc; 274 Label gc;
275 int length = slots_ + Context::MIN_CONTEXT_SLOTS; 275 int length = slots_ + Context::MIN_CONTEXT_SLOTS;
276 __ AllocateInNewSpace((length * kPointerSize) + FixedArray::kHeaderSize, 276 __ Allocate((length * kPointerSize) + FixedArray::kHeaderSize,
277 eax, ebx, ecx, &gc, TAG_OBJECT); 277 eax, ebx, ecx, &gc, TAG_OBJECT);
278 278
279 // Get the function from the stack. 279 // Get the function from the stack.
280 __ mov(ecx, Operand(esp, 1 * kPointerSize)); 280 __ mov(ecx, Operand(esp, 1 * kPointerSize));
281 281
282 // Set up the object header. 282 // Set up the object header.
283 Factory* factory = masm->isolate()->factory(); 283 Factory* factory = masm->isolate()->factory();
284 __ mov(FieldOperand(eax, HeapObject::kMapOffset), 284 __ mov(FieldOperand(eax, HeapObject::kMapOffset),
285 factory->function_context_map()); 285 factory->function_context_map());
286 __ mov(FieldOperand(eax, Context::kLengthOffset), 286 __ mov(FieldOperand(eax, Context::kLengthOffset),
287 Immediate(Smi::FromInt(length))); 287 Immediate(Smi::FromInt(length)));
(...skipping 26 matching lines...) Expand all
314 314
315 void FastNewBlockContextStub::Generate(MacroAssembler* masm) { 315 void FastNewBlockContextStub::Generate(MacroAssembler* masm) {
316 // Stack layout on entry: 316 // Stack layout on entry:
317 // 317 //
318 // [esp + (1 * kPointerSize)]: function 318 // [esp + (1 * kPointerSize)]: function
319 // [esp + (2 * kPointerSize)]: serialized scope info 319 // [esp + (2 * kPointerSize)]: serialized scope info
320 320
321 // Try to allocate the context in new space. 321 // Try to allocate the context in new space.
322 Label gc; 322 Label gc;
323 int length = slots_ + Context::MIN_CONTEXT_SLOTS; 323 int length = slots_ + Context::MIN_CONTEXT_SLOTS;
324 __ AllocateInNewSpace(FixedArray::SizeFor(length), 324 __ Allocate(FixedArray::SizeFor(length), eax, ebx, ecx, &gc, TAG_OBJECT);
325 eax, ebx, ecx, &gc, TAG_OBJECT);
326 325
327 // Get the function or sentinel from the stack. 326 // Get the function or sentinel from the stack.
328 __ mov(ecx, Operand(esp, 1 * kPointerSize)); 327 __ mov(ecx, Operand(esp, 1 * kPointerSize));
329 328
330 // Get the serialized scope info from the stack. 329 // Get the serialized scope info from the stack.
331 __ mov(ebx, Operand(esp, 2 * kPointerSize)); 330 __ mov(ebx, Operand(esp, 2 * kPointerSize));
332 331
333 // Set up the object header. 332 // Set up the object header.
334 Factory* factory = masm->isolate()->factory(); 333 Factory* factory = masm->isolate()->factory();
335 __ mov(FieldOperand(eax, HeapObject::kMapOffset), 334 __ mov(FieldOperand(eax, HeapObject::kMapOffset),
(...skipping 71 matching lines...) Expand 10 before | Expand all | Expand 10 after
407 size += AllocationSiteInfo::kSize; 406 size += AllocationSiteInfo::kSize;
408 } 407 }
409 size += elements_size; 408 size += elements_size;
410 409
411 // Allocate both the JS array and the elements array in one big 410 // Allocate both the JS array and the elements array in one big
412 // allocation. This avoids multiple limit checks. 411 // allocation. This avoids multiple limit checks.
413 AllocationFlags flags = TAG_OBJECT; 412 AllocationFlags flags = TAG_OBJECT;
414 if (mode == FastCloneShallowArrayStub::CLONE_DOUBLE_ELEMENTS) { 413 if (mode == FastCloneShallowArrayStub::CLONE_DOUBLE_ELEMENTS) {
415 flags = static_cast<AllocationFlags>(DOUBLE_ALIGNMENT | flags); 414 flags = static_cast<AllocationFlags>(DOUBLE_ALIGNMENT | flags);
416 } 415 }
417 __ AllocateInNewSpace(size, eax, ebx, edx, fail, flags); 416 __ Allocate(size, eax, ebx, edx, fail, flags);
418 417
419 if (allocation_site_mode == TRACK_ALLOCATION_SITE) { 418 if (allocation_site_mode == TRACK_ALLOCATION_SITE) {
420 __ mov(FieldOperand(eax, allocation_info_start), 419 __ mov(FieldOperand(eax, allocation_info_start),
421 Immediate(Handle<Map>(masm->isolate()->heap()-> 420 Immediate(Handle<Map>(masm->isolate()->heap()->
422 allocation_site_info_map()))); 421 allocation_site_info_map())));
423 __ mov(FieldOperand(eax, allocation_info_start + kPointerSize), ecx); 422 __ mov(FieldOperand(eax, allocation_info_start + kPointerSize), ecx);
424 } 423 }
425 424
426 // Copy the JS array part. 425 // Copy the JS array part.
427 for (int i = 0; i < JSArray::kSize; i += kPointerSize) { 426 for (int i = 0; i < JSArray::kSize; i += kPointerSize) {
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7871 // Restore ecx. 7870 // Restore ecx.
7872 __ pop(ecx); 7871 __ pop(ecx);
7873 __ ret(0); 7872 __ ret(0);
7874 } 7873 }
7875 7874
7876 #undef __ 7875 #undef __
7877 7876
7878 } } // namespace v8::internal 7877 } } // namespace v8::internal
7879 7878
7880 #endif // V8_TARGET_ARCH_IA32 7879 #endif // V8_TARGET_ARCH_IA32
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