Support old-space allocation in generated code (bump block only for now).

runtime/vm/assembler_ia32.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/cpu.h"
@@ skipping 2484 matching lines @@
 
 void Assembler::TryAllocate(const Class& cls,
                             Label* failure,
                             bool near_jump,
                             Register instance_reg,
                             Register temp_reg) {
   ASSERT(failure != NULL);
   if (FLAG_inline_alloc) {
     Heap* heap = Isolate::Current()->heap();
     const intptr_t instance_size = cls.instance_size();
-    movl(instance_reg, Address::Absolute(heap->TopAddress()));
+    Heap::Space space = heap->SpaceForAllocation(cls.id());
+    movl(instance_reg, Address::Absolute(heap->TopAddress(space)));
     addl(instance_reg, Immediate(instance_size));
     // instance_reg: potential next object start.
-    cmpl(instance_reg, Address::Absolute(heap->EndAddress()));
+    cmpl(instance_reg, Address::Absolute(heap->EndAddress(space)));
     j(ABOVE_EQUAL, failure, near_jump);
     // Successfully allocated the object, now update top to point to
     // next object start and store the class in the class field of object.
-    movl(Address::Absolute(heap->TopAddress()), instance_reg);
-    UpdateAllocationStats(cls.id(), temp_reg);
+    movl(Address::Absolute(heap->TopAddress(space)), instance_reg);
+    UpdateAllocationStats(cls.id(), temp_reg, space);
     ASSERT(instance_size >= kHeapObjectTag);
     subl(instance_reg, Immediate(instance_size - kHeapObjectTag));
     uword tags = 0;
     tags = RawObject::SizeTag::update(instance_size, tags);
     ASSERT(cls.id() != kIllegalCid);
     tags = RawObject::ClassIdTag::update(cls.id(), tags);
     movl(FieldAddress(instance_reg, Object::tags_offset()), Immediate(tags));
   } else {
     jmp(failure);
   }
 }
 
 
 void Assembler::TryAllocateArray(intptr_t cid,
                                  intptr_t instance_size,
                                  Label* failure,
                                  bool near_jump,
                                  Register instance,
                                  Register end_address) {
   ASSERT(failure != NULL);
   if (FLAG_inline_alloc) {
     Isolate* isolate = Isolate::Current();
     Heap* heap = isolate->heap();
-    movl(instance, Address::Absolute(heap->TopAddress()));
+    Heap::Space space = heap->SpaceForAllocation(cid);
+    movl(instance, Address::Absolute(heap->TopAddress(space)));
     movl(end_address, instance);
 
     addl(end_address, Immediate(instance_size));
     j(CARRY, failure);
 
     // Check if the allocation fits into the remaining space.
     // EAX: potential new object start.
     // EBX: potential next object start.
-    cmpl(end_address, Address::Absolute(heap->EndAddress()));
+    cmpl(end_address, Address::Absolute(heap->EndAddress(space)));
     j(ABOVE_EQUAL, failure);
 
     // Successfully allocated the object(s), now update top to point to
     // next object start and initialize the object.
-    movl(Address::Absolute(heap->TopAddress()), end_address);
+    movl(Address::Absolute(heap->TopAddress(space)), end_address);
     addl(instance, Immediate(kHeapObjectTag));
-    UpdateAllocationStatsWithSize(cid, instance_size, kNoRegister);
+    UpdateAllocationStatsWithSize(cid, instance_size, kNoRegister, space);
 
     // Initialize the tags.
     uword tags = 0;
     tags = RawObject::ClassIdTag::update(cid, tags);
     tags = RawObject::SizeTag::update(instance_size, tags);
     movl(FieldAddress(instance, Object::tags_offset()), Immediate(tags));
   } else {
     jmp(failure);
   }
 }
@@ skipping 305 matching lines @@
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32