A64: Synchronize with r18764.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 18daa1894c2e65e60892204ed08659a910c36d06..795196f4198b1841a2a1df3505e97cd2c2a4d780 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -844,9 +844,7 @@ void HUnaryCall::PrintDataTo(StringStream* stream) {
 
 
 void HCallJSFunction::PrintDataTo(StringStream* stream) {
-  OperandAt(0)->PrintNameTo(stream);
-  stream->Add(" ");
-  OperandAt(1)->PrintNameTo(stream);
+  function()->PrintNameTo(stream);
   stream->Add(" ");
   stream->Add("#%d", argument_count());
 }
@@ -1446,7 +1444,6 @@ HValue* HUnaryMathOperation::Canonicalize() {
 
   if (op() == kMathFloor) {
     HValue* val = value();
-    if (val->IsChange()) val = HChange::cast(val)->value();
     if (val->IsDiv() && (val->UseCount() == 1)) {
       HDiv* hdiv = HDiv::cast(val);
       HValue* left = hdiv->left();
@@ -1485,17 +1482,8 @@ HValue* HUnaryMathOperation::Canonicalize() {
       }
       HMathFloorOfDiv* instr =
           HMathFloorOfDiv::New(block()->zone(), context(), new_left, new_right);
-      // Replace this HMathFloor instruction by the new HMathFloorOfDiv.
       instr->InsertBefore(this);
-      ReplaceAllUsesWith(instr);
-      Kill();
-      // We know the division had no other uses than this HMathFloor. Delete it.
-      // Dead code elimination will deal with |left| and |right| if
-      // appropriate.
-      hdiv->DeleteAndReplaceWith(NULL);
-
-      // Return NULL to remove this instruction from the graph.
-      return NULL;
+      return instr;
     }
   }
   return this;
@@ -2535,6 +2523,7 @@ HConstant::HConstant(Handle<Object> handle, Representation r)
     has_smi_value_ = has_int32_value_ && Smi::IsValid(int32_value_);
     double_value_ = n;
     has_double_value_ = true;
+    // TODO(titzer): if this heap number is new space, tenure a new one.
   } else {
     is_internalized_string_ = handle->IsInternalizedString();
   }
@@ -2733,6 +2722,9 @@ void HConstant::PrintDataTo(StringStream* stream) {
   } else {
     handle(Isolate::Current())->ShortPrint(stream);
   }
+  if (!is_not_in_new_space_) {
+    stream->Add("[new space] ");
+  }
 }
 
 
@@ -3353,12 +3345,6 @@ void HStoreGlobalCell::PrintDataTo(StringStream* stream) {
 }
 
 
-void HStoreGlobalGeneric::PrintDataTo(StringStream* stream) {
-  stream->Add("%o = ", *name());
-  value()->PrintNameTo(stream);
-}
-
-
 void HLoadContextSlot::PrintDataTo(StringStream* stream) {
   value()->PrintNameTo(stream);
   stream->Add("[%d]", slot_index());