Allow passing flags to Runtime_AllocateInTargetSpace.

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 6027 matching lines @@
   if (instr->size()->IsRegister()) {
     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)));
   }
 
+  int flags = AllocateDoubleAlignFlag::encode(
+      instr->hydrogen()->MustAllocateDoubleAligned());
   if (instr->hydrogen()->IsOldPointerSpaceAllocation()) {
     ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation());
     ASSERT(!instr->hydrogen()->IsNewSpaceAllocation());
-    CallRuntimeFromDeferred(
-        Runtime::kAllocateInOldPointerSpace, 1, instr, instr->context());
+    flags = AllocateTargetSpace::update(flags, OLD_POINTER_SPACE);
   } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) {
     ASSERT(!instr->hydrogen()->IsNewSpaceAllocation());
-    CallRuntimeFromDeferred(
-        Runtime::kAllocateInOldDataSpace, 1, instr, instr->context());
+    flags = AllocateTargetSpace::update(flags, OLD_DATA_SPACE);
   } else {
-    CallRuntimeFromDeferred(
-        Runtime::kAllocateInNewSpace, 1, instr, instr->context());
+    flags = AllocateTargetSpace::update(flags, NEW_SPACE);
   }
+  __ push(Immediate(Smi::FromInt(flags)));
+
+  CallRuntimeFromDeferred(
+      Runtime::kAllocateInTargetSpace, 2, instr, instr->context());
   __ StoreToSafepointRegisterSlot(result, eax);
 }
 
 
 void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
   ASSERT(ToRegister(instr->value()).is(eax));
   __ push(eax);
   CallRuntime(Runtime::kToFastProperties, 1, instr);
 }
 
@@ skipping 406 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32