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Issue 16631002: Separate Cell and PropertyCell spaces (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Remove Mips changes Created 7 years, 6 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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2488 // the stack pointer. 2488 // the stack pointer.
2489 ASSERT(reg_code >= 0 && reg_code < kNumSafepointRegisters); 2489 ASSERT(reg_code >= 0 && reg_code < kNumSafepointRegisters);
2490 return kNumSafepointRegisters - reg_code - 1; 2490 return kNumSafepointRegisters - reg_code - 1;
2491 } 2491 }
2492 2492
2493 2493
2494 void MacroAssembler::LoadHeapObject(Register result, 2494 void MacroAssembler::LoadHeapObject(Register result,
2495 Handle<HeapObject> object) { 2495 Handle<HeapObject> object) {
2496 AllowDeferredHandleDereference embedding_raw_address; 2496 AllowDeferredHandleDereference embedding_raw_address;
2497 if (isolate()->heap()->InNewSpace(*object)) { 2497 if (isolate()->heap()->InNewSpace(*object)) {
2498 Handle<JSGlobalPropertyCell> cell = 2498 Handle<Cell> cell = isolate()->factory()->NewCell(object);
2499 isolate()->factory()->NewJSGlobalPropertyCell(object);
2500 mov(result, Operand::Cell(cell)); 2499 mov(result, Operand::Cell(cell));
2501 } else { 2500 } else {
2502 mov(result, object); 2501 mov(result, object);
2503 } 2502 }
2504 } 2503 }
2505 2504
2506 2505
2507 void MacroAssembler::CmpHeapObject(Register reg, Handle<HeapObject> object) { 2506 void MacroAssembler::CmpHeapObject(Register reg, Handle<HeapObject> object) {
2508 AllowDeferredHandleDereference using_raw_address; 2507 AllowDeferredHandleDereference using_raw_address;
2509 if (isolate()->heap()->InNewSpace(*object)) { 2508 if (isolate()->heap()->InNewSpace(*object)) {
2510 Handle<JSGlobalPropertyCell> cell = 2509 Handle<Cell> cell = isolate()->factory()->NewCell(object);
2511 isolate()->factory()->NewJSGlobalPropertyCell(object);
2512 cmp(reg, Operand::Cell(cell)); 2510 cmp(reg, Operand::Cell(cell));
2513 } else { 2511 } else {
2514 cmp(reg, object); 2512 cmp(reg, object);
2515 } 2513 }
2516 } 2514 }
2517 2515
2518 2516
2519 void MacroAssembler::PushHeapObject(Handle<HeapObject> object) { 2517 void MacroAssembler::PushHeapObject(Handle<HeapObject> object) {
2520 AllowDeferredHandleDereference using_raw_address; 2518 AllowDeferredHandleDereference using_raw_address;
2521 if (isolate()->heap()->InNewSpace(*object)) { 2519 if (isolate()->heap()->InNewSpace(*object)) {
2522 Handle<JSGlobalPropertyCell> cell = 2520 Handle<Cell> cell = isolate()->factory()->NewCell(object);
2523 isolate()->factory()->NewJSGlobalPropertyCell(object);
2524 push(Operand::Cell(cell)); 2521 push(Operand::Cell(cell));
2525 } else { 2522 } else {
2526 Push(object); 2523 Push(object);
2527 } 2524 }
2528 } 2525 }
2529 2526
2530 2527
2531 void MacroAssembler::Ret() { 2528 void MacroAssembler::Ret() {
2532 ret(0); 2529 ret(0);
2533 } 2530 }
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3151 j(greater, &no_info_available); 3148 j(greater, &no_info_available);
3152 cmp(MemOperand(scratch_reg, -AllocationSiteInfo::kSize), 3149 cmp(MemOperand(scratch_reg, -AllocationSiteInfo::kSize),
3153 Immediate(Handle<Map>(isolate()->heap()->allocation_site_info_map()))); 3150 Immediate(Handle<Map>(isolate()->heap()->allocation_site_info_map())));
3154 bind(&no_info_available); 3151 bind(&no_info_available);
3155 } 3152 }
3156 3153
3157 3154
3158 } } // namespace v8::internal 3155 } } // namespace v8::internal
3159 3156
3160 #endif // V8_TARGET_ARCH_IA32 3157 #endif // V8_TARGET_ARCH_IA32
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