Replace a set of Hydrogen instructions with rotate instructions on ARM

src/arm/lithium-arm.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 162 matching lines @@
     case Token::SUB: return "sub-t";
     case Token::MUL: return "mul-t";
     case Token::MOD: return "mod-t";
     case Token::DIV: return "div-t";
     case Token::BIT_AND: return "bit-and-t";
     case Token::BIT_OR: return "bit-or-t";
     case Token::BIT_XOR: return "bit-xor-t";
     case Token::SHL: return "shl-t";
     case Token::SAR: return "sar-t";
     case Token::SHR: return "shr-t";
+    case Token::ROR: return "ror-t";
     default:
       UNREACHABLE();
       return NULL;
   }
 }
 
 
 void LGoto::PrintDataTo(StringStream* stream) {
   stream->Add("B%d", block_id());
 }
@@ skipping 922 matching lines @@
 LInstruction* LChunkBuilder::DoSar(HSar* instr) {
   return DoShift(Token::SAR, instr);
 }
 
 
 LInstruction* LChunkBuilder::DoShl(HShl* instr) {
   return DoShift(Token::SHL, instr);
 }
 
 
+LInstruction* LChunkBuilder::DoRor(HRor* instr) {
+  return DoShift(Token::ROR, instr);
+}
+
+
 LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) {
   if (instr->representation().IsInteger32()) {
     ASSERT(instr->left()->representation().IsInteger32());
     ASSERT(instr->right()->representation().IsInteger32());
 
     LOperand* left = UseRegisterAtStart(instr->LeastConstantOperand());
     LOperand* right = UseOrConstantAtStart(instr->MostConstantOperand());
     return DefineAsRegister(new(zone()) LBitI(left, right));
   } else {
     ASSERT(instr->representation().IsTagged());
@@ skipping 1175 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