Rebase of partial ia32 implementation of optimized try/catch (started by Kevin Millikin, continued …

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index b04f3eec9225263b0c6202c9516b05b647eeba04..7e2af61c05799a6ab5f84a85dde61bab2ff86dc6 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -75,11 +75,11 @@ class LCodeGen;
   V(ClampTToUint8)                              \
   V(ClampTToUint8NoSSE2)                        \
   V(ClassOfTestAndBranch)                       \
+  V(CmpConstantEqAndBranch)                     \
   V(CmpIDAndBranch)                             \
-  V(CmpObjectEqAndBranch)                       \
   V(CmpMapAndBranch)                            \
+  V(CmpObjectEqAndBranch)                       \
   V(CmpT)                                       \
-  V(CmpConstantEqAndBranch)                     \
   V(ConstantD)                                  \
   V(ConstantI)                                  \
   V(ConstantS)                                  \
@@ -94,6 +94,7 @@ class LCodeGen;
   V(DoubleToSmi)                                \
   V(DummyUse)                                   \
   V(ElementsKind)                               \
+  V(EnterTry)                                   \
   V(FixedArrayBaseLength)                       \
   V(FunctionLiteral)                            \
   V(GetCachedArrayIndex)                        \
@@ -113,11 +114,12 @@ class LCodeGen;
   V(InvokeFunction)                             \
   V(IsConstructCallAndBranch)                   \
   V(IsObjectAndBranch)                          \
-  V(IsStringAndBranch)                          \
   V(IsSmiAndBranch)                             \
+  V(IsStringAndBranch)                          \
   V(IsUndetectableAndBranch)                    \
   V(Label)                                      \
   V(LazyBailout)                                \
+  V(LeaveTry)                                   \
   V(LoadContextSlot)                            \
   V(LoadExternalArrayPointer)                   \
   V(LoadFunctionPrototype)                      \
@@ -449,6 +451,21 @@ class LLabel: public LGap {
 };
 
 
+class LEnterTry: public LTemplateInstruction<0, 0, 0> {
+ public:
+  DECLARE_CONCRETE_INSTRUCTION(EnterTry, "enter-try")
+  DECLARE_HYDROGEN_ACCESSOR(EnterTry);
+
+  int index() { return hydrogen()->index(); }
+};
+
+
+class LLeaveTry: public LTemplateInstruction<0, 0, 0> {
+ public:
+  DECLARE_CONCRETE_INSTRUCTION(LeaveTry, "leave-try")
+};
+
+
 class LParameter: public LTemplateInstruction<1, 0, 0> {
  public:
   virtual bool HasInterestingComment(LCodeGen* gen) const { return false; }