MIPS: Generate the TransitionElementsStub using Crankshaft

src/mips/lithium-mips.cc

Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index 736890e6cd58d5c542acc36c9a4e542bd4b0d8ba..22726078e5039741c4a11cf87126ce748e9ad819 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -2005,12 +2005,16 @@ LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
 
 LInstruction* LChunkBuilder::DoTransitionElementsKind(
     HTransitionElementsKind* instr) {
+  LOperand* object = UseRegister(instr->object());
   if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) {
-    LOperand* object = UseRegister(instr->object());
     LOperand* new_map_reg = TempRegister();
     LTransitionElementsKind* result =
         new(zone()) LTransitionElementsKind(object, new_map_reg, NULL);
     return DefineSameAsFirst(result);
+  } else if (FLAG_compiled_transitions) {
+    LTransitionElementsKind* result =
+        new(zone()) LTransitionElementsKind(object, NULL, NULL);
+    return AssignPointerMap(result);
   } else {
     LOperand* object = UseFixed(instr->object(), a0);
     LOperand* fixed_object_reg = FixedTemp(a2);
@@ -2019,11 +2023,21 @@ LInstruction* LChunkBuilder::DoTransitionElementsKind(
         new(zone()) LTransitionElementsKind(object,
                                             new_map_reg,
                                             fixed_object_reg);
-    return MarkAsCall(DefineFixed(result, v0), instr);
+    return MarkAsCall(result, instr);
   }
 }
 
 
+LInstruction* LChunkBuilder::DoTrapAllocationMemento(
+    HTrapAllocationMemento* instr) {
+  LOperand* object = UseRegister(instr->object());
+  LOperand* temp = TempRegister();
+  LTrapAllocationMemento* result =
+      new(zone()) LTrapAllocationMemento(object, temp);
+  return AssignEnvironment(result);
+}
+
+
 LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
   bool needs_write_barrier = instr->NeedsWriteBarrier();
   bool needs_write_barrier_for_map = !instr->transition().is_null() &&
@@ -2090,12 +2104,23 @@ LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
 
 
 LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) {
+  info()->MarkAsDeferredCalling();
   LAllocateObject* result =
       new(zone()) LAllocateObject(TempRegister(), TempRegister());
   return AssignPointerMap(DefineAsRegister(result));
 }
 
 
+LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) {
+  info()->MarkAsDeferredCalling();
+  LOperand* size = UseTempRegister(instr->size());
+  LOperand* temp1 = TempRegister();
+  LOperand* temp2 = TempRegister();
+  LAllocate* result = new(zone()) LAllocate(size, temp1, temp2);
+  return AssignPointerMap(DefineAsRegister(result));
+}
+
+
 LInstruction* LChunkBuilder::DoFastLiteral(HFastLiteral* instr) {
   return MarkAsCall(DefineFixed(new(zone()) LFastLiteral, v0), instr);
 }