Introduce extended mode.

src/mips/lithium-codegen-mips.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 139 matching lines @@
 
   // a1: Callee's JS function.
   // cp: Callee's context.
   // fp: Caller's frame pointer.
   // lr: Caller's pc.
 
   // Strict mode functions and builtins need to replace the receiver
   // with undefined when called as functions (without an explicit
   // receiver object). r5 is zero for method calls and non-zero for
   // function calls.
-  if (info_->is_strict_mode() || info_->is_native()) {
+  if (!info_->is_classic_mode() || info_->is_native()) {
     Label ok;
     __ Branch(&ok, eq, t1, Operand(zero_reg));
 
     int receiver_offset = scope()->num_parameters() * kPointerSize;
     __ LoadRoot(a2, Heap::kUndefinedValueRootIndex);
     __ sw(a2, MemOperand(sp, receiver_offset));
     __ bind(&ok);
   }
 
   __ Push(ra, fp, cp, a1);
@@ skipping 1994 matching lines @@
                         check_needed);
   }
 }
 
 
 void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->global_object()).is(a1));
   ASSERT(ToRegister(instr->value()).is(a0));
 
   __ li(a2, Operand(instr->name()));
-  Handle<Code> ic = instr->strict_mode()
+  Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode)
       ? isolate()->builtins()->StoreIC_Initialize_Strict()
       : isolate()->builtins()->StoreIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr);
 }
 
 
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ lw(result, ContextOperand(context, instr->slot_index()));
@@ skipping 1078 matching lines @@
   }
 }
 
 
 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   ASSERT(ToRegister(instr->object()).is(a1));
   ASSERT(ToRegister(instr->value()).is(a0));
 
   // Name is always in a2.
   __ li(a2, Operand(instr->name()));
-  Handle<Code> ic = instr->strict_mode()
+  Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode)
       ? isolate()->builtins()->StoreIC_Initialize_Strict()
       : isolate()->builtins()->StoreIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
   DeoptimizeIf(hs,
                instr->environment(),
                ToRegister(instr->index()),
@@ skipping 160 matching lines @@
         break;
     }
   }
 }
 
 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->object()).is(a2));
   ASSERT(ToRegister(instr->key()).is(a1));
   ASSERT(ToRegister(instr->value()).is(a0));
 
-  Handle<Code> ic = instr->strict_mode()
+  Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode)
       ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict()
       : isolate()->builtins()->KeyedStoreIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
   Register object_reg = ToRegister(instr->object());
   Register new_map_reg = ToRegister(instr->new_map_reg());
   Register scratch = scratch0();
@@ skipping 865 matching lines @@
   }
 }
 
 
 void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
   // Use the fast case closure allocation code that allocates in new
   // space for nested functions that don't need literals cloning.
   Handle<SharedFunctionInfo> shared_info = instr->shared_info();
   bool pretenure = instr->hydrogen()->pretenure();
   if (!pretenure && shared_info->num_literals() == 0) {
-    FastNewClosureStub stub(shared_info->strict_mode_flag());
+    FastNewClosureStub stub(shared_info->language_mode());
     __ li(a1, Operand(shared_info));
     __ push(a1);
     CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
   } else {
     __ li(a2, Operand(shared_info));
     __ li(a1, Operand(pretenure
                        ? factory()->true_value()
                        : factory()->false_value()));
     __ Push(cp, a2, a1);
     CallRuntime(Runtime::kNewClosure, 3, instr);
@@ skipping 270 matching lines @@
   ASSERT(!environment->HasBeenRegistered());
   RegisterEnvironmentForDeoptimization(environment);
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal