MIPS: Fix test262 failures and x64 compile failure.

src/mips/lithium-mips.cc

 // Copyright 2012 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 864 matching lines @@
     for (int i = 1; i < current->OperandCount(); ++i) {
       LInstruction* dummy =
           new(zone()) LDummyUse(UseAny(current->OperandAt(i)));
       dummy->set_hydrogen_value(current);
       chunk_->AddInstruction(dummy, current_block_);
     }
   } else {
     instr = current->CompileToLithium(this);
   }
 
+  argument_count_ += current->argument_delta();
+  ASSERT(argument_count_ >= 0);
+
   if (instr != NULL) {
     // Associate the hydrogen instruction first, since we may need it for
     // the ClobbersRegisters() or ClobbersDoubleRegisters() calls below.
     instr->set_hydrogen_value(current);
 
 #if DEBUG
     // Make sure that the lithium instruction has either no fixed register
     // constraints in temps or the result OR no uses that are only used at
     // start. If this invariant doesn't hold, the register allocator can decide
     // to insert a split of a range immediately before the instruction due to an
@@ skipping 205 matching lines @@
   LOperand* elements = UseFixed(instr->elements(), a3);
   LApplyArguments* result = new(zone()) LApplyArguments(function,
                                                         receiver,
                                                         length,
                                                         elements);
   return MarkAsCall(DefineFixed(result, v0), instr, CAN_DEOPTIMIZE_EAGERLY);
 }
 
 
 LInstruction* LChunkBuilder::DoPushArgument(HPushArgument* instr) {
-  ++argument_count_;
   LOperand* argument = Use(instr->argument());
   return new(zone()) LPushArgument(argument);
 }
 
 
 LInstruction* LChunkBuilder::DoStoreCodeEntry(
     HStoreCodeEntry* store_code_entry) {
   LOperand* function = UseRegister(store_code_entry->function());
   LOperand* code_object = UseTempRegister(store_code_entry->code_object());
   return new(zone()) LStoreCodeEntry(function, code_object);
@@ skipping 46 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoGlobalReceiver(HGlobalReceiver* instr) {
   LOperand* global_object = UseRegisterAtStart(instr->value());
   return DefineAsRegister(new(zone()) LGlobalReceiver(global_object));
 }
 
 
 LInstruction* LChunkBuilder::DoCallConstantFunction(
     HCallConstantFunction* instr) {
-  argument_count_ -= instr->argument_count();
   return MarkAsCall(DefineFixed(new(zone()) LCallConstantFunction, v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* function = UseFixed(instr->function(), a1);
-  argument_count_ -= instr->argument_count();
   LInvokeFunction* result = new(zone()) LInvokeFunction(context, function);
   return MarkAsCall(DefineFixed(result, v0), instr, CANNOT_DEOPTIMIZE_EAGERLY);
 }
 
 
 LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) {
   switch (instr->op()) {
     case kMathFloor: return DoMathFloor(instr);
     case kMathRound: return DoMathRound(instr);
     case kMathAbs: return DoMathAbs(instr);
@@ skipping 90 matching lines @@
   LOperand* input = UseRegister(instr->value());
   LOperand* temp = FixedTemp(f6);
   LMathRound* result = new(zone()) LMathRound(input, temp);
   return AssignEnvironment(DefineAsRegister(result));
 }
 
 
 LInstruction* LChunkBuilder::DoCallKeyed(HCallKeyed* instr) {
   ASSERT(instr->key()->representation().IsTagged());
   LOperand* context = UseFixed(instr->context(), cp);
-  argument_count_ -= instr->argument_count();
   LOperand* key = UseFixed(instr->key(), a2);
   return MarkAsCall(
         DefineFixed(new(zone()) LCallKeyed(context, key), v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallNamed(HCallNamed* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  argument_count_ -= instr->argument_count();
   return MarkAsCall(DefineFixed(new(zone()) LCallNamed(context), v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallGlobal(HCallGlobal* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  argument_count_ -= instr->argument_count();
   return MarkAsCall(DefineFixed(new(zone()) LCallGlobal(context), v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallKnownGlobal(HCallKnownGlobal* instr) {
-  argument_count_ -= instr->argument_count();
   return MarkAsCall(DefineFixed(new(zone()) LCallKnownGlobal, v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallNew(HCallNew* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* constructor = UseFixed(instr->constructor(), a1);
-  argument_count_ -= instr->argument_count();
   LCallNew* result = new(zone()) LCallNew(context, constructor);
   return MarkAsCall(DefineFixed(result, v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallNewArray(HCallNewArray* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* constructor = UseFixed(instr->constructor(), a1);
-  argument_count_ -= instr->argument_count();
   LCallNewArray* result = new(zone()) LCallNewArray(context, constructor);
   return MarkAsCall(DefineFixed(result, v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* function = UseFixed(instr->function(), a1);
-  argument_count_ -= instr->argument_count();
   return MarkAsCall(
       DefineFixed(new(zone()) LCallFunction(context, function), v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) {
-  argument_count_ -= instr->argument_count();
   LOperand* context = UseFixed(instr->context(), cp);
   return MarkAsCall(DefineFixed(new(zone()) LCallRuntime(context), v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoRor(HRor* instr) {
   return DoShift(Token::ROR, instr);
 }
 
 
@@ skipping 1070 matching lines @@
       Abort(kTooManySpillSlotsNeededForOSR);
       spill_index = 0;
     }
   }
   return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index);
 }
 
 
 LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  argument_count_ -= instr->argument_count();
   return MarkAsCall(DefineFixed(new(zone()) LCallStub(context), v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoArgumentsObject(HArgumentsObject* instr) {
   // There are no real uses of the arguments object.
   // arguments.length and element access are supported directly on
   // stack arguments, and any real arguments object use causes a bailout.
   // So this value is never used.
   return NULL;
@@ skipping 104 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
   LInstruction* pop = NULL;
 
   HEnvironment* env = current_block_->last_environment();
 
   if (env->entry()->arguments_pushed()) {
     int argument_count = env->arguments_environment()->parameter_count();
     pop = new(zone()) LDrop(argument_count);
-    argument_count_ -= argument_count;
+    ASSERT(instr->argument_delta() == -argument_count);
   }
 
   HEnvironment* outer = current_block_->last_environment()->
       DiscardInlined(false);
   current_block_->UpdateEnvironment(outer);
 
   return pop;
 }
 
 
@@ skipping 19 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseRegister(instr->index());
   return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal