MIPS: Minor fixes to simulator and builtins-mips.

src/mips/full-codegen-mips.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 548 matching lines @@
   } else {
     if (false_label_ != fall_through_) __ Branch(false_label_);
   }
 }
 
 
 void FullCodeGenerator::DoTest(Label* if_true,
                                Label* if_false,
                                Label* fall_through) {
   if (CpuFeatures::IsSupported(FPU)) {
-    CpuFeatures::Scope scope(FPU);
-    // Emit the inlined tests assumed by the stub.
-    __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
-    __ Branch(if_false, eq, result_register(), Operand(at));
-    __ LoadRoot(at, Heap::kTrueValueRootIndex);
-    __ Branch(if_true, eq, result_register(), Operand(at));
-    __ LoadRoot(at, Heap::kFalseValueRootIndex);
-    __ Branch(if_false, eq, result_register(), Operand(at));
-    STATIC_ASSERT(kSmiTag == 0);
-    __ Branch(if_false, eq, result_register(), Operand(zero_reg));
-    __ JumpIfSmi(result_register(), if_true);
-
-    // Call the ToBoolean stub for all other cases.
     ToBooleanStub stub(result_register());
     __ CallStub(&stub);
     __ mov(at, zero_reg);
   } else {
     // Call the runtime to find the boolean value of the source and then
     // translate it into control flow to the pair of labels.
     __ push(result_register());
     __ CallRuntime(Runtime::kToBool, 1);
     __ LoadRoot(at, Heap::kFalseValueRootIndex);
   }
-
-  // The stub returns nonzero for true.
   Split(ne, v0, Operand(at), if_true, if_false, fall_through);
 }
 
 
 void FullCodeGenerator::Split(Condition cc,
                               Register lhs,
                               const Operand&  rhs,
                               Label* if_true,
                               Label* if_false,
                               Label* fall_through) {
@@ skipping 3781 matching lines @@
   __ Addu(at, a1, Operand(masm_->CodeObject()));
   __ Jump(at);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS