ARM/MIPS: Fix Constant-to-DoubleRegister moves in LGapResolver

src/mips/lithium-gap-resolver-mips.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 240 matching lines @@
     LConstantOperand* constant_source = LConstantOperand::cast(source);
     if (destination->IsRegister()) {
       Register dst = cgen_->ToRegister(destination);
       Representation r = cgen_->IsSmi(constant_source)
           ? Representation::Smi() : Representation::Integer32();
       if (cgen_->IsInteger32(constant_source)) {
         __ li(dst, Operand(cgen_->ToRepresentation(constant_source, r)));
       } else {
         __ LoadObject(dst, cgen_->ToHandle(constant_source));
       }
-    } else if (source->IsDoubleRegister()) {
+    } else if (destination->IsDoubleRegister()) {
       DoubleRegister result = cgen_->ToDoubleRegister(destination);
       double v = cgen_->ToDouble(constant_source);
       __ Move(result, v);
     } else {
       ASSERT(destination->IsStackSlot());
       ASSERT(!in_cycle_);  // Constant moves happen after all cycles are gone.
       Representation r = cgen_->IsSmi(constant_source)
           ? Representation::Smi() : Representation::Integer32();
       if (cgen_->IsInteger32(constant_source)) {
         __ li(kLithiumScratchReg,
@@ skipping 42 matching lines @@
     UNREACHABLE();
   }
 
   moves_[index].Eliminate();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal