MIPS: Renamed "symbols" to "internalized strings" throughout the code base, in preparation of the i…

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index ccbc9c92f12d2e8cfca86e10b067d03d637a1edf..63f13da9d5cbd803f6a76d9ab37c1a3756d6722f 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2315,12 +2315,12 @@ void LCodeGen::EmitClassOfTest(Label* is_true,
   __ lw(temp, FieldMemOperand(temp, JSFunction::kSharedFunctionInfoOffset));
   __ lw(temp, FieldMemOperand(temp,
                                SharedFunctionInfo::kInstanceClassNameOffset));
-  // The class name we are testing against is a symbol because it's a literal.
-  // The name in the constructor is a symbol because of the way the context is
-  // booted.  This routine isn't expected to work for random API-created
+  // The class name we are testing against is internalized since it's a literal.
+  // The name in the constructor is internalized because of the way the context
+  // is booted.  This routine isn't expected to work for random API-created
   // classes and it doesn't have to because you can't access it with natives
-  // syntax.  Since both sides are symbols it is sufficient to use an identity
-  // comparison.
+  // syntax.  Since both sides are internalized it is sufficient to use an
+  // identity comparison.
 
   // End with the address of this class_name instance in temp register.
   // On MIPS, the caller must do the comparison with Handle<String>class_name.
@@ -5694,7 +5694,7 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
   // register.
   Condition final_branch_condition = kNoCondition;
   Register scratch = scratch0();
-  if (type_name->Equals(heap()->number_symbol())) {
+  if (type_name->Equals(heap()->number_string())) {
     __ JumpIfSmi(input, true_label);
     __ lw(input, FieldMemOperand(input, HeapObject::kMapOffset));
     __ LoadRoot(at, Heap::kHeapNumberMapRootIndex);
@@ -5702,7 +5702,7 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
     cmp2 = Operand(at);
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->string_symbol())) {
+  } else if (type_name->Equals(heap()->string_string())) {
     __ JumpIfSmi(input, false_label);
     __ GetObjectType(input, input, scratch);
     __ Branch(USE_DELAY_SLOT, false_label,
@@ -5715,7 +5715,7 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
     cmp2 = Operand(zero_reg);
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->boolean_symbol())) {
+  } else if (type_name->Equals(heap()->boolean_string())) {
     __ LoadRoot(at, Heap::kTrueValueRootIndex);
     __ Branch(USE_DELAY_SLOT, true_label, eq, at, Operand(input));
     __ LoadRoot(at, Heap::kFalseValueRootIndex);
@@ -5723,13 +5723,13 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
     cmp2 = Operand(input);
     final_branch_condition = eq;
 
-  } else if (FLAG_harmony_typeof && type_name->Equals(heap()->null_symbol())) {
+  } else if (FLAG_harmony_typeof && type_name->Equals(heap()->null_string())) {
     __ LoadRoot(at, Heap::kNullValueRootIndex);
     cmp1 = at;
     cmp2 = Operand(input);
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->undefined_symbol())) {
+  } else if (type_name->Equals(heap()->undefined_string())) {
     __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
     __ Branch(USE_DELAY_SLOT, true_label, eq, at, Operand(input));
     // The first instruction of JumpIfSmi is an And - it is safe in the delay
@@ -5743,7 +5743,7 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
     cmp2 = Operand(zero_reg);
     final_branch_condition = ne;
 
-  } else if (type_name->Equals(heap()->function_symbol())) {
+  } else if (type_name->Equals(heap()->function_string())) {
     STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2);
     __ JumpIfSmi(input, false_label);
     __ GetObjectType(input, scratch, input);
@@ -5752,7 +5752,7 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
     cmp2 = Operand(JS_FUNCTION_PROXY_TYPE);
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->object_symbol())) {
+  } else if (type_name->Equals(heap()->object_string())) {
     __ JumpIfSmi(input, false_label);
     if (!FLAG_harmony_typeof) {
       __ LoadRoot(at, Heap::kNullValueRootIndex);