First part of lithium ARM port.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 9c8e8348f15a1ea75e68c4f601e9e89d2e2e9b70..73fc93ad367f35a606fea1dc5074d84579b06498 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -1295,9 +1295,11 @@ LInstruction* LChunkBuilder::DoCompareMapAndBranch(
     HCompareMapAndBranch* instr) {
   ASSERT(instr->value()->representation().IsTagged());
   LOperand* value = UseRegisterAtStart(instr->value());
+  LOperand* temp = TempRegister();
   HBasicBlock* first = instr->FirstSuccessor();
   HBasicBlock* second = instr->SecondSuccessor();
   return new LCmpMapAndBranch(value,
+                              temp,
                               instr->map(),
                               first->block_id(),
                               second->block_id());
@@ -1774,9 +1776,11 @@ LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) {
 
 
 LInstruction* LChunkBuilder::DoCheckPrototypeMaps(HCheckPrototypeMaps* instr) {
-  LOperand* temp = TempRegister();
+  LOperand* temp1 = TempRegister();
+  LOperand* temp2 = TempRegister();
   LInstruction* result =
-      new LCheckPrototypeMaps(temp,
+      new LCheckPrototypeMaps(temp1,
+                              temp2,
                               instr->holder(),
                               instr->receiver_map());
   return AssignEnvironment(result);