Simple register allocation for ARM. Only top of expression...

src/arm/register-allocator-arm-inl.h

 // Copyright 2009 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 74 matching lines @@
 Register RegisterAllocator::ToRegister(int num) {
   ASSERT(num >= 0 && num < kNumRegisters);
   const Register kRegisters[] =
       { r0, r1, r2, r3, r4, r5, r6, r7, r9, r10, ip, lr };
   return kRegisters[num];
 }
 
 
 void RegisterAllocator::Initialize() {
   Reset();
-  // The non-reserved r1 and lr registers are live on JS function entry.
-  Use(r1);  // JS function.
-  Use(lr);  // Return address.
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_REGISTER_ALLOCATOR_ARM_INL_H_