Allow direct allocation in old pointer space.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 5c3324de064e2f59a5157d73488a3fbcf9798f16..d36b92d4c527d544a06fcccd396f294f95da896e 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -5012,12 +5012,8 @@ void LCodeGen::DoAllocateObject(LAllocateObject* instr) {
   // 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,
-                        no_reg,
-                        scratch,
-                        deferred->entry(),
-                        TAG_OBJECT);
+  __ Allocate(instance_size, result, no_reg, scratch, deferred->entry(),
+              TAG_OBJECT, MacroAssembler::NEW_SPACE);
 
   __ bind(deferred->exit());
   if (FLAG_debug_code) {
@@ -5106,7 +5102,13 @@ void LCodeGen::DoAllocate(LAllocate* instr) {
   }
   if (instr->size()->IsConstantOperand()) {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
-    __ AllocateInNewSpace(size, result, temp, no_reg, deferred->entry(), flags);
+    if (instr->hydrogen()->CanAllocateInOldPointerSpace()) {
+      __ Allocate(size, result, temp, no_reg, deferred->entry(), flags,
+                  MacroAssembler::OLD_POINTER_SPACE);
+    } else {
+      __ Allocate(size, result, temp, no_reg, deferred->entry(), flags,
+                  MacroAssembler::NEW_SPACE);
+    }
   } else {
     Register size = ToRegister(instr->size());
     __ AllocateInNewSpace(size, result, temp, no_reg, deferred->entry(), flags);
@@ -5327,7 +5329,8 @@ void LCodeGen::DoFastLiteral(LFastLiteral* instr) {
   // Allocate all objects that are part of the literal in one big
   // allocation. This avoids multiple limit checks.
   Label allocated, runtime_allocate;
-  __ AllocateInNewSpace(size, rax, rcx, rdx, &runtime_allocate, TAG_OBJECT);
+  __ Allocate(size, rax, rcx, rdx, &runtime_allocate, TAG_OBJECT,
+              MacroAssembler::NEW_SPACE);
   __ jmp(&allocated);
 
   __ bind(&runtime_allocate);
@@ -5414,7 +5417,8 @@ void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
   __ bind(&materialized);
   int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize;
   Label allocated, runtime_allocate;
-  __ AllocateInNewSpace(size, rax, rcx, rdx, &runtime_allocate, TAG_OBJECT);
+  __ Allocate(size, rax, rcx, rdx, &runtime_allocate, TAG_OBJECT,
+              MacroAssembler::NEW_SPACE);
   __ jmp(&allocated);
 
   __ bind(&runtime_allocate);