Added old data space allocation infrastructure for pretenuring.

src/ia32/lithium-codegen-ia32.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 6094 matching lines @@
 
   Register result = ToRegister(instr->result());
   Register temp = ToRegister(instr->temp());
 
   // Allocate memory for the object.
   AllocationFlags flags = TAG_OBJECT;
   if (instr->hydrogen()->MustAllocateDoubleAligned()) {
     flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT);
   }
   if (instr->hydrogen()->CanAllocateInOldPointerSpace()) {
+    ASSERT(!instr->hydrogen()->CanAllocateInOldDataSpace());
     flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE);
+  } else if (instr->hydrogen()->CanAllocateInOldDataSpace()) {
+    flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE);
   }
+
   if (instr->size()->IsConstantOperand()) {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
     __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);
   } else {
     Register size = ToRegister(instr->size());
     __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);
   }
 
   __ bind(deferred->exit());
 }
@@ skipping 12 matching lines @@
     Register size = ToRegister(instr->size());
     ASSERT(!size.is(result));
     __ SmiTag(ToRegister(instr->size()));
     __ push(size);
   } else {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
     __ push(Immediate(Smi::FromInt(size)));
   }
 
   if (instr->hydrogen()->CanAllocateInOldPointerSpace()) {
+    ASSERT(!instr->hydrogen()->CanAllocateInOldDataSpace());
     CallRuntimeFromDeferred(
         Runtime::kAllocateInOldPointerSpace, 1, instr, instr->context());
+  } else if (instr->hydrogen()->CanAllocateInOldDataSpace()) {
+    CallRuntimeFromDeferred(
+        Runtime::kAllocateInOldDataSpace, 1, instr, instr->context());
   } else {
     CallRuntimeFromDeferred(
         Runtime::kAllocateInNewSpace, 1, instr, instr->context());
   }
   __ StoreToSafepointRegisterSlot(result, eax);
 }
 
 
 void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
   ASSERT(ToRegister(instr->value()).is(eax));
@@ skipping 433 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32