Change the algorithm and generated code for parallel moves on IA32.

src/ia32/lithium-ia32.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 293 matching lines @@
 }
 
 
 int LChunk::GetNextSpillIndex(bool is_double) {
   // Skip a slot if for a double-width slot.
   if (is_double) spill_slot_count_++;
   return spill_slot_count_++;
 }
 
 
-LOperand* LChunk::GetNextSpillSlot(bool is_double)  {
+LOperand* LChunk::GetNextSpillSlot(bool is_double) {
   int index = GetNextSpillIndex(is_double);
   if (is_double) {
     return LDoubleStackSlot::Create(index);
   } else {
     return LStackSlot::Create(index);
   }
 }
 
 
 void LChunk::MarkEmptyBlocks() {
@@ skipping 1548 matching lines @@
 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
   HEnvironment* outer = current_block_->last_environment()->outer();
   current_block_->UpdateEnvironment(outer);
   return NULL;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32