[v8-dev] ARM: safepoints frame optimization

src/lithium.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 397 matching lines @@
   LAllocator allocator(values, graph);
   LChunkBuilder builder(info, graph, &allocator);
   LChunk* chunk = builder.Build();
   if (chunk == NULL) return NULL;
 
   if (!allocator.Allocate(chunk)) {
     info->set_bailout_reason(kNotEnoughVirtualRegistersRegalloc);
     return NULL;
   }
 
-  chunk->set_allocated_double_registers(
-      allocator.assigned_double_registers());
+  chunk->set_allocated_double_registers(allocator.assigned_double_registers());
+  chunk->set_safepoints_registers(allocator.modified_registers());
+  chunk->set_safepoints_double_registers(allocator.modified_double_registers());
 
   return chunk;
 }
 
 
 Handle<Code> LChunk::Codegen() {
   MacroAssembler assembler(info()->isolate(), NULL, 0);
   LOG_CODE_EVENT(info()->isolate(),
                  CodeStartLinePosInfoRecordEvent(
                      assembler.positions_recorder()));
@@ skipping 178 matching lines @@
 
 
 LPhase::~LPhase() {
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceLithium(name(), chunk_);
   }
 }
 
 
 } }  // namespace v8::internal