Allow direct allocation in old pointer space.

src/arm/lithium-codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5548 matching lines @@
   Handle<Map> initial_map(constructor->initial_map());
   int instance_size = initial_map->instance_size();
   ASSERT(initial_map->pre_allocated_property_fields() +
          initial_map->unused_property_fields() -
          initial_map->inobject_properties() == 0);
 
   // Allocate memory for the object.  The initial map might change when
   // the constructor's prototype changes, but instance size and property
   // counts remain unchanged (if slack tracking finished).
   ASSERT(!constructor->shared()->IsInobjectSlackTrackingInProgress());
-  __ AllocateInNewSpace(instance_size,
-                        result,
-                        scratch,
-                        scratch2,
-                        deferred->entry(),
-                        TAG_OBJECT);
+  __ Allocate(instance_size, result, scratch, scratch2, deferred->entry(),
+              TAG_OBJECT);
 
   __ bind(deferred->exit());
   if (FLAG_debug_code) {
     Label is_in_new_space;
     __ JumpIfInNewSpace(result, scratch, &is_in_new_space);
     __ Abort("Allocated object is not in new-space");
     __ bind(&is_in_new_space);
   }
 
   // Load the initial map.
@@ skipping 54 matching lines @@
   Register scratch = ToRegister(instr->temp1());
   Register scratch2 = ToRegister(instr->temp2());
 
   // Allocate memory for the object.
   AllocationFlags flags = TAG_OBJECT;
   if (instr->hydrogen()->MustAllocateDoubleAligned()) {
     flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT);
   }
   if (instr->size()->IsConstantOperand()) {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
-    __ AllocateInNewSpace(size,
-                          result,
-                          scratch,
-                          scratch2,
-                          deferred->entry(),
-                          flags);
+    if (instr->hydrogen()->CanAllocateInOldPointerSpace()) {
+      flags = static_cast<AllocationFlags>(flags | PRETENURE);
+    }
+    __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags);
   } else {
     Register size = ToRegister(instr->size());
     __ AllocateInNewSpace(size,
                           result,
                           scratch,
                           scratch2,
                           deferred->entry(),
                           flags);
   }
 
@@ skipping 212 matching lines @@
     __ ldrb(r2, FieldMemOperand(r2, Map::kBitField2Offset));
     // Retrieve elements_kind from bit field 2.
     __ ubfx(r2, r2, Map::kElementsKindShift, Map::kElementsKindBitCount);
     __ cmp(r2, Operand(boilerplate_elements_kind));
     DeoptimizeIf(ne, instr->environment());
   }
 
   // Allocate all objects that are part of the literal in one big
   // allocation. This avoids multiple limit checks.
   Label allocated, runtime_allocate;
-  __ AllocateInNewSpace(size, r0, r2, r3, &runtime_allocate, TAG_OBJECT);
+  __ Allocate(size, r0, r2, r3, &runtime_allocate, TAG_OBJECT);
   __ jmp(&allocated);
 
   __ bind(&runtime_allocate);
   __ mov(r0, Operand(Smi::FromInt(size)));
   __ push(r0);
   CallRuntime(Runtime::kAllocateInNewSpace, 1, instr);
 
   __ bind(&allocated);
   int offset = 0;
   __ LoadHeapObject(r1, instr->hydrogen()->boilerplate());
@@ skipping 61 matching lines @@
   __ mov(r5, Operand(instr->hydrogen()->pattern()));
   __ mov(r4, Operand(instr->hydrogen()->flags()));
   __ Push(r7, r6, r5, r4);
   CallRuntime(Runtime::kMaterializeRegExpLiteral, 4, instr);
   __ mov(r1, r0);
 
   __ bind(&materialized);
   int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize;
   Label allocated, runtime_allocate;
 
-  __ AllocateInNewSpace(size, r0, r2, r3, &runtime_allocate, TAG_OBJECT);
+  __ Allocate(size, r0, r2, r3, &runtime_allocate, TAG_OBJECT);
   __ jmp(&allocated);
 
   __ bind(&runtime_allocate);
   __ mov(r0, Operand(Smi::FromInt(size)));
   __ Push(r1, r0);
   CallRuntime(Runtime::kAllocateInNewSpace, 1, instr);
   __ pop(r1);
 
   __ bind(&allocated);
   // Copy the content into the newly allocated memory.
@@ skipping 389 matching lines @@
   __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize));
   __ ldr(result, FieldMemOperand(scratch,
                                  FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal