MIPS: Generate StoreGlobal stubs with Hydrogen.

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 204 matching lines @@
   // combinations are possible.
 
   if (source->IsRegister()) {
     Register source_register = cgen_->ToRegister(source);
     if (destination->IsRegister()) {
       __ mov(cgen_->ToRegister(destination), source_register);
     } else {
       ASSERT(destination->IsStackSlot());
       __ sw(source_register, cgen_->ToMemOperand(destination));
     }
-
   } else if (source->IsStackSlot()) {
     MemOperand source_operand = cgen_->ToMemOperand(source);
     if (destination->IsRegister()) {
       __ lw(cgen_->ToRegister(destination), source_operand);
     } else {
       ASSERT(destination->IsStackSlot());
       MemOperand destination_operand = cgen_->ToMemOperand(destination);
       if (in_cycle_) {
         if (!destination_operand.OffsetIsInt16Encodable()) {
           // 'at' is overwritten while saving the value to the destination.
@@ skipping 16 matching lines @@
     LConstantOperand* constant_source = LConstantOperand::cast(source);
     if (destination->IsRegister()) {
       Register dst = cgen_->ToRegister(destination);
       if (cgen_->IsSmi(constant_source)) {
         __ li(dst, Operand(cgen_->ToSmi(constant_source)));
       } else if (cgen_->IsInteger32(constant_source)) {
         __ li(dst, Operand(cgen_->ToInteger32(constant_source)));
       } else {
         __ LoadObject(dst, cgen_->ToHandle(constant_source));
       }
+    } else if (source->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.
       if (cgen_->IsSmi(constant_source)) {
         __ li(kLithiumScratchReg, Operand(cgen_->ToSmi(constant_source)));
       } else if (cgen_->IsInteger32(constant_source)) {
         __ li(kLithiumScratchReg,
               Operand(cgen_->ToInteger32(constant_source)));
       } else {
         __ LoadObject(kLithiumScratchReg,
@@ skipping 39 matching lines @@
     UNREACHABLE();
   }
 
   moves_[index].Eliminate();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal