Allow control intructions to have side effects.

src/ia32/lithium-codegen-ia32.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 3026 matching lines @@
 
 
 void LCodeGen::DoInstanceSize(LInstanceSize* instr) {
   Register object = ToRegister(instr->object());
   Register result = ToRegister(instr->result());
   __ mov(result, FieldOperand(object, HeapObject::kMapOffset));
   __ movzx_b(result, FieldOperand(result, Map::kInstanceSizeOffset));
 }
 
 
-void LCodeGen::DoCmpT(LCmpT* instr) {
+void LCodeGen::DoCompareGenericAndBranch(LCompareGenericAndBranch* instr) {
   Token::Value op = instr->op();
 
   Handle<Code> ic = CompareIC::GetUninitialized(isolate(), op);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 
   Condition condition = ComputeCompareCondition(op);
-  Label true_value, done;
   __ test(eax, Operand(eax));
-  __ j(condition, &true_value, Label::kNear);
-  __ mov(ToRegister(instr->result()), factory()->false_value());
-  __ jmp(&done, Label::kNear);
-  __ bind(&true_value);
-  __ mov(ToRegister(instr->result()), factory()->true_value());
-  __ bind(&done);
+  EmitBranch(instr, condition);
 }
 
 
 void LCodeGen::EmitReturn(LReturn* instr, bool dynamic_frame_alignment) {
   int extra_value_count = dynamic_frame_alignment ? 2 : 1;
 
   if (instr->has_constant_parameter_count()) {
     int parameter_count = ToInteger32(instr->constant_parameter_count());
     if (dynamic_frame_alignment && FLAG_debug_code) {
       __ cmp(Operand(esp,
@@ skipping 3322 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32