Allow passing flags to Runtime_AllocateInTargetSpace.

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 5455 matching lines @@
   if (instr->size()->IsRegister()) {
     Register size = ToRegister(instr->size());
     ASSERT(!size.is(result));
     __ SmiTag(size);
     __ push(size);
   } else {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
     __ Push(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(Smi::FromInt(flags));
+
+  CallRuntimeFromDeferred(
+      Runtime::kAllocateInTargetSpace, 2, instr, instr->context());
   __ StoreToSafepointRegisterSlot(r0, result);
 }
 
 
 void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
   ASSERT(ToRegister(instr->value()).is(r0));
   __ push(r0);
   CallRuntime(Runtime::kToFastProperties, 1, instr);
 }
 
@@ skipping 411 matching lines @@
   __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index));
   __ ldr(result, FieldMemOperand(scratch,
                                  FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal