MIPS: port First steps towards better code generation for LBranch.

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 3a7671df915a54a6d583248c3f2b82518bfedb72..73b3984974a80e4bba4a407d37445e686b2df4bc 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -386,7 +386,7 @@ void FullCodeGenerator::TestContext::Plug(Slot* slot) const {
   // For simplicity we always test the accumulator register.
   codegen()->Move(result_register(), slot);
   codegen()->PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL);
-  codegen()->DoTest(true_label_, false_label_, fall_through_);
+  codegen()->DoTest(this);
 }
 
 
@@ -420,7 +420,7 @@ void FullCodeGenerator::TestContext::Plug(Heap::RootListIndex index) const {
     if (true_label_ != fall_through_) __ Branch(true_label_);
   } else {
     __ LoadRoot(result_register(), index);
-    codegen()->DoTest(true_label_, false_label_, fall_through_);
+    codegen()->DoTest(this);
   }
 }
 
@@ -467,7 +467,7 @@ void FullCodeGenerator::TestContext::Plug(Handle<Object> lit) const {
   } else {
     // For simplicity we always test the accumulator register.
     __ li(result_register(), Operand(lit));
-    codegen()->DoTest(true_label_, false_label_, fall_through_);
+    codegen()->DoTest(this);
   }
 }
 
@@ -503,7 +503,7 @@ void FullCodeGenerator::TestContext::DropAndPlug(int count,
   __ Drop(count);
   __ Move(result_register(), reg);
   codegen()->PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL);
-  codegen()->DoTest(true_label_, false_label_, fall_through_);
+  codegen()->DoTest(this);
 }
 
 
@@ -581,7 +581,8 @@ void FullCodeGenerator::TestContext::Plug(bool flag) const {
 }
 
 
-void FullCodeGenerator::DoTest(Label* if_true,
+void FullCodeGenerator::DoTest(Expression* condition,
+                               Label* if_true,
                                Label* if_false,
                                Label* fall_through) {
   if (CpuFeatures::IsSupported(FPU)) {