MIPS: Minor fixes to simulator and builtins-mips.

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index 8c26fb3301efb98d59b84e75e2c85a257cb0ce0c..6f0cd2a6be64eba63284980c49b8b6bef6dc6de5 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -566,19 +566,6 @@ 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);
@@ -589,8 +576,6 @@ void FullCodeGenerator::DoTest(Label* if_true,
     __ 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);
 }