Revert "Convert UnaryOpStub to a HydrogenCodeStub"

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 2ddeb27148000680f0b3f2e7c7c4de79f5782503..defae1c1629692337e26bde6ad268637f9fa7f33 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -2036,16 +2036,6 @@ void LCodeGen::DoArithmeticD(LArithmeticD* instr) {
 }
 
 
-void LCodeGen::DoNegateNoSSE2D(LNegateNoSSE2D* instr) {
-  __ push(Immediate(-1));
-  __ fild_s(Operand(esp, 0));
-  __ add(esp, Immediate(kPointerSize));
-  __ fmulp();
-  CurrentInstructionReturnsX87Result();
-}
-
-
-
 void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   ASSERT(ToRegister(instr->left()).is(edx));
@@ -2068,12 +2058,12 @@ int LCodeGen::GetNextEmittedBlock() const {
 
 template<class InstrType>
 void LCodeGen::EmitBranch(InstrType instr, Condition cc) {
-  int left_block = instr->TrueDestination(chunk_);
   int right_block = instr->FalseDestination(chunk_);
+  int left_block = instr->TrueDestination(chunk_);
 
   int next_block = GetNextEmittedBlock();
 
-  if (right_block == left_block || cc == no_condition) {
+  if (right_block == left_block) {
     EmitGoto(left_block);
   } else if (left_block == next_block) {
     __ j(NegateCondition(cc), chunk_->GetAssemblyLabel(right_block));
@@ -2086,25 +2076,6 @@ void LCodeGen::EmitBranch(InstrType instr, Condition cc) {
 }
 
 
-void LCodeGen::DoIsNumberAndBranch(LIsNumberAndBranch* instr) {
-  Representation r = instr->hydrogen()->value()->representation();
-  if (r.IsSmiOrInteger32() || r.IsDouble()) {
-    EmitBranch(instr, no_condition);
-  } else {
-    ASSERT(r.IsTagged());
-    Register reg = ToRegister(instr->value());
-    HType type = instr->hydrogen()->value()->type();
-    if (type.IsTaggedNumber()) {
-      EmitBranch(instr, no_condition);
-    }
-    __ JumpIfSmi(reg, instr->TrueLabel(chunk_));
-    __ cmp(FieldOperand(reg, HeapObject::kMapOffset),
-           factory()->heap_number_map());
-    EmitBranch(instr, equal);
-  }
-}
-
-
 void LCodeGen::DoBranch(LBranch* instr) {
   Representation r = instr->hydrogen()->value()->representation();
   if (r.IsSmiOrInteger32()) {