Version 3.0.2.

src/arm/lithium-arm.cc

 // Copyright 2010 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 442 matching lines @@
   return instructions_[index]->IsGap();
 }
 
 
 int LChunk::NearestGapPos(int index) const {
   while (!IsGapAt(index)) index--;
   return index;
 }
 
 
+int LChunk::NearestNextGapPos(int index) const {
+  while (!IsGapAt(index)) index++;
+  return index;
+}
+
+
 void LChunk::AddGapMove(int index, LOperand* from, LOperand* to) {
   GetGapAt(index)->GetOrCreateParallelMove(LGap::START)->AddMove(from, to);
 }
 
 
 class LGapNode: public ZoneObject {
  public:
   explicit LGapNode(LOperand* operand)
       : operand_(operand), resolved_(false), visited_id_(-1) { }
 
@@ skipping 871 matching lines @@
   MathFunctionId op = instr->op();
   LOperand* input = UseRegisterAtStart(instr->value());
   LInstruction* result = new LUnaryMathOperation(input);
   switch (op) {
     case kMathAbs:
       return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result)));
     case kMathFloor:
       return AssignEnvironment(DefineAsRegister(result));
     case kMathSqrt:
       return DefineSameAsFirst(result);
-    case kMathPowHalf:
-      Abort("MathPowHalf LUnaryMathOperation not implemented");
-      return NULL;
     default:
       UNREACHABLE();
       return NULL;
   }
 }
 
 
 LInstruction* LChunkBuilder::DoCallKeyed(HCallKeyed* instr) {
   ASSERT(instr->key()->representation().IsTagged());
   argument_count_ -= instr->argument_count();
@@ skipping 177 matching lines @@
     return result;
   } else if (instr->representation().IsDouble()) {
     return DoArithmeticD(Token::ADD, instr);
   } else {
     ASSERT(instr->representation().IsTagged());
     return DoArithmeticT(Token::ADD, instr);
   }
 }
 
 
-LInstruction* LChunkBuilder::DoPower(HPower* instr) {
-  Abort("LPower instruction not implemented on ARM");
-  return NULL;
-}
-
-
 LInstruction* LChunkBuilder::DoCompare(HCompare* instr) {
   Token::Value op = instr->token();
   if (instr->left()->representation().IsInteger32()) {
     ASSERT(instr->right()->representation().IsInteger32());
     LOperand* left = UseRegisterAtStart(instr->left());
     LOperand* right = UseOrConstantAtStart(instr->right());
     return DefineAsRegister(new LCmpID(op, left, right, false));
   } else if (instr->left()->representation().IsDouble()) {
     ASSERT(instr->right()->representation().IsDouble());
     LOperand* left = UseRegisterAtStart(instr->left());
@@ skipping 114 matching lines @@
         res = DefineSameAsFirst(new LSmiUntag(value, needs_check));
       }
       if (needs_check) {
         res = AssignEnvironment(res);
       }
       return res;
     }
   } else if (from.IsDouble()) {
     if (to.IsTagged()) {
       LOperand* value = UseRegister(instr->value());
-      LOperand* temp1 = TempRegister();
-      LOperand* temp2 = TempRegister();
+      LOperand* temp = TempRegister();
 
-      // Make sure that the temp and result_temp registers are
-      // different.
+      // Make sure that temp and result_temp are different registers.
       LUnallocated* result_temp = TempRegister();
-      LInstruction* result = new LNumberTagD(value, temp1, temp2);
+      LInstruction* result = new LNumberTagD(value, temp);
       Define(result, result_temp);
       return AssignPointerMap(result);
     } else {
       ASSERT(to.IsInteger32());
       LOperand* value = UseRegister(instr->value());
       LInstruction* res = new LDoubleToI(value);
       return AssignEnvironment(DefineAsRegister(res));
     }
   } else if (from.IsInteger32()) {
     if (to.IsTagged()) {
@@ skipping 366 matching lines @@
 void LPointerMap::PrintTo(StringStream* stream) const {
   stream->Add("{");
   for (int i = 0; i < pointer_operands_.length(); ++i) {
     if (i != 0) stream->Add(";");
     pointer_operands_[i]->PrintTo(stream);
   }
   stream->Add("} @%d", position());
 }
 
 } }  // namespace v8::internal